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  • 1.
    Ammenberg, Jonas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Products in environmental management systems: drivers, barriers and experiences2005Ingår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 13, nr 4, s. 405-415Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Do standardised environmental management systems (EMS) lead to improved environmental performance? This depends on to what extent these systems lead to changes in important flows of material and energy, which for manufacturing companies, in turn, mean that the product development process is important. Consequently, it appears vital to investigate the connection between EMS and ‘Design for the Environment’ (DFE), i.e. the connection between these management systems and concepts that deal with environmental issues in product development.

    This paper presents product-oriented environmental management systems (POEMS), including characteristics of existing models, experiences from projects where these models have been tested and experiences concerning the product connection in ‘normal’ EMS. It includes a discussion of important factors influencing to what extent DFE activities are integrated into EMS and/or the outcome of such integration.

    There are many motives for integrating the two concepts. Firstly, DFE thinking might enrich EMS by contributing with a life-cycle perspective. If EMS encompassed products' life cycles to a greater extent, they would be a better complement to the often facility-oriented legal requirements and authority control. Secondly, EMS might remove the pilot project character of DFE activities and lead to continuous improvement. Thirdly, integration could lead to successful co-operation, both internally and externally. However, existing studies show that there is a mixed picture concerning the extent ‘normal’ EMS currently encompass products.

  • 2.
    Ammenberg, Jonas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Products in environmental management systems: the role of auditors2005Ingår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 13, nr 4, s. 417-431Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    For standardized environmental management systems (EMS) to be environmentally effective tools, they should affect important environmental aspects related to flows of materials and energy, which for manufacturing companies are closely connected to their products. This paper presents how external environmental auditors interpret and apply important product-related requirements of ISO 14001 at manufacturing companies in Sweden.

    The results indicate that the link between EMS and products is rather weak. Products are seldom regarded as significant environmental aspects and are therefore not within the main scope of many EMS, which are mainly focused on sites. However, all of the interviewed auditors require that some kind of environmental considerations be incorporated into product development, but these considerations are to large extent site oriented; how they are prioritized in relation to other factors such as economics and other customer priorities appears to be up to the companies.

    The paper includes some recommendations to strengthen the role of products within the framework of standardized EMS.

  • 3.
    Avdic, Nermin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Automatisering av flexibel fixtur2009Självständigt arbete på grundnivå (högskoleexamen), 10 poäng / 15 hpStudentuppsats (Examensarbete)
    Abstract [en]

    This thesis was conducted at Linköping University and SAAB Aerostructures, Linköping, and focuses on the automation of flexible fixturing in machining applications. At Linköping University a project called "Koofix" is conducted with support from Strategiska stiftelsen and several manufacturing industries including SAAB Aerostructures. The purpose of this project is to develop a more cost-effective, flexible, technique for fixation of workpieces during processing and assembly.

    Fixtures are an important part during the machining process, especially if you process the parts with high accuracy. Today a large number of fixtures are used at SAAB and they would prefer to reduce the number of fixtures by using flexible fixtures instead. SAAB uses one fixture for each article and this result in a high fixture cost and it also takes time to design and construct a new fixture.

    There are several advantages with using a flexible fixture such as that you can process workpieces with different length, height and thickness in the same fixture. Bigger workpieces takes time to fasten in the fixture because the machine operator must tighten the clamps by hand. By automating the fixture with for example grippers or clamping cylinders the set time would be reduced because the clamping process is automatic.

    In this report there is also a mapping of various flexible fixture components such as grippers, clamping cylinders and linear units. These components are quite common today in the processing industry and are also used in fixtures. The idea of flexible components is to provide a more flexible and automated fixture then the currently used at SAAB. These components were also linked to a concept idea and based on this idea, several concepts were sketched. The result of the concept idea was two concepts that were generated in the CAD program CATIA.

    The first concept uses grippers for the clamping process and for additional flexibility the grippers can also be rotated with rotary actuators. Linear units are used to automatically position the beams to reduce the set time. The second concept uses clamping cylinders and rotary grippers to clamp the workpiece. Beams are positioned by an operator, but linear units could also be used in this concept as well.

    Finally, the concepts were evaluated according to a method from Ullman with a so called decision matrix. The concept that fulfilled the criteria best was concept 1, which uses grippers and linear units. Another method that was used from Ullman was a QFD (Quality Function Deployment) chart and this chart shows the design requirements that are important and that should be fulfilled.

    The components that are presented in this report have not been tested. This could be a suggestion in an upcoming work to test these components. For example the pneumatic linear units with passive or active brake could be tested to make sure that the braking force is sufficient.

  • 4.
    Burlin, Mikael
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Robotstudio för bearbetning2009Självständigt arbete på grundnivå (kandidatexamen), 10 poäng / 15 hpStudentuppsats (Examensarbete)
    Abstract [sv]

    Projektet ProFlexA syftar till att automatisera gjutgodsrensning av stålgjutgods vid lågavolymer genom att använda ny adaptiv teknik såsom flexibla fixturer och gripdon samtkraftstyrning. Projektet bedrivs av Linköpings Tekniska Högskola och Lunds TekniskaHögskola med stöd av tre gjuterier i Mellansverige samt systemintegratörer och leverantörer.Automatisering av gjutgodsresning har länge varit föremål för både forskning ochkommersiellt intresse. Det finns idag fungerande lösningar främst riktat mot aluminiumgodsoch högre produktvolymer.Syftet med examensarbetet var att undersöka huruvida Robotstudio, och mer specifikt desstilläggsmodul Machining, var lämpligt för användning vid gjutgodsrensing. För att detta skallvara möjligt på hårdare material krävs kraftstyrning, vilket finns som tillval i den tidigarenämnda tilläggsmodulen.För att ha möjlighet att testa machiningmodulen och få en uppfattning om vad Robotstudio ärkapabelt till genomfördes först en självstudie av programmet. Som delmål för instuderingengenererades en visuell robotcell enligt ett av ProFlexA:s tidigare koncept förgjutgodsrensning. Denna process innefattade både den rent geometrihanterandeprogramdelen och den robotprogrammerande, vilken är den som senare kom att ha störstbetydelse under testerna. Därefter kopplades Robotstudio till befintligt robotstyrsystem ochde fysiska testerna planerades och förbereddes. Efter detta utfördes testerna för att undersökamachiningmodulens användarvänlighet och exakthet.

    Slutsatser

    • Robotstudio är lätthanterligt för en ny användare med tidigare erfarenhet inomrobotstyrning och RAPID-programmering.

    • Generering av banor sker generellt med stor tidsvinst i machiningmodulen.

    • Vidare tester med inriktning mot kraftstyrning borde utföras då möjlighet till dettafinns.

  • 5.
    Comstock, Mica
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för konstruktions- och produktionsteknik, Monteringsteknik.
    Johansen, Kerstin
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Kihlman, Henrik
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för konstruktions- och produktionsteknik, Monteringsteknik.
    Sundin, Erik
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Winroth, Mats
    Jönköpings tekniska högskola.
    Project Course within Assembly-NET2002Rapport (Övrigt vetenskapligt)
  • 6.
    Derelöv, Micael
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    An Approach to Verification and Evaluation of Early Conceptual Design Solutions2002Ingår i: Design 2002,2002, Zagreb: Faculty of Mechanical Engineering an dNaval Architecture, The Design Society , 2002, s. 125-Konferensbidrag (Refereegranskat)
  • 7.
    Derelöv, Micael
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Identification of Potential Failure: On Evaluation of ConceptualDesign2009Ingår i: Journal of engineering design (Print), ISSN 0954-4828, E-ISSN 1466-1837Artikel i tidskrift (Övrigt vetenskapligt)
    Abstract [en]

    ldentifying and attending to faults and shortcomings in the design before it reaches the market is crucial in order to achieve a profitable product. Letting the customer detect the shortcomings in the design is not an acceptable approach today, and will inevitably lead to unsatisfied costumers. Activities aimed at identifying faults in the product may becarried out during the entire design process, but faults identified late in the design process will require more resources to put right, and may affect the performance negatively to a higher degree than faults identified upstream in the process. This article aims to develop the theory and methodology regarding identification of potential failures in a system upstream from the design process. The result presented in this article comprises a method for modelling failuresand a process for identirying potential failures in conceptual solutions. The result is based onqualitative system modelling, where the known physical phenomena are compared to the system in order to evaluate the potential of different behaviour occurring. The effects the behaviour emits determine its impact on the system, and thus the potential for a failure. The article concludes with a comprehensive example demonstrating, and to some extend verirying, the method of identifying potential failures.

  • 8.
    Derelöv, Micael
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    On Evaluation of Design Concepts: Modelling Approaches for Enhancing the Understanding of Design Solutions2009Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    This dissertation embraces the issue of evaluating design concepts. Being able to sort out the potential“best solutions” from a set of solutions is a central and important part of the design process. The subjectdiscussed in this dissertation has its origins in the lack of knowledge about design concepts, somethingwhich is characteristic of the initial part of the design process and which frequently causes problems whenit comes to evaluation and selection of solutions. The purpose of this dissertation is to develop aids andmethods that enhance the understanding of design concepts in the early phases of the design process.

    From deductive reasoning about the fundamental mechanisms of the evaluation activity, the work hasbeen divided into three different areas: process and system modelling, concept optimisation, andidentification of potential failures.

    The bearing of the work within the area of process and system modelling has a verifying character. Theobjective of the work has been to analyse how established design methodology, which has its commonapplications within traditional engineering industry, may be applied within an area that is characterised bymore multidisciplinary interfaces, like biotechnology. The result of a number of case studies, in whichdifferent types of biotechnical systems where analysed and modelled, shows that the methodology isapplicable even for biotechnical products. During the work the methodology has also been furtherelaborated on in order to better suit the distinguishing characteristics exhibited in the development ofbiotechnical systems.

    Within the area of concept optimisation, an approach for optimising the concept generation has beenelaborated. By formalising the step in both concept generation and evaluation, it has been possible toapply genetic algorithms in order to optimise the process. The work has resulted in a model thatautomatically creates and sorts out a number of potential solutions from a defined solution space and adefined set of goals.

    The last area, which deals with identification of potential failures, has resulted in a rather novel way toconsider and model the behaviour of a system. The approach is an elaboration of the modellingtechniques within system theory, and deduces the system’s behaviour from known physical phenomenaand the system’s ability to effectuate them. The way the different behaviours interact with one another, byaffecting the properties of the system, determines the potential for a failure to occur. A “failure”,according to the model, is described as an unintended behaviour which obstructs the system’sfunctionality, i.e. which affects the conditions of a desired behaviour.

    The dissertation has resulted in three different means for approaching the difficulties associated with theevaluation of design concepts. The means are applicable during different parts of the design process, butthey all address the same issue, viz. to enhance the understanding of the design solutions.

    Delarbeten
    1. Engineering Design Methodology for Bio-Mechatronic Products
    Öppna denna publikation i ny flik eller fönster >>Engineering Design Methodology for Bio-Mechatronic Products
    2008 (Engelska)Ingår i: Biotechnology progress (Print), ISSN 8756-7938, E-ISSN 1520-6033, Vol. 4, nr 1, s. 232-244Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Four complex biotechnology products/product systems (a protein purification system, a bioreactor system, a surface plasmon resonance biosensor, and an enzymatic glucose analyzer) are analyzed using conceptual design principles. A design model well-known in mechanical system design, the Hubka-Eder (HE) model, is adapted to biotechnology products that exemplify combined technical systems of mechanical, electronic, and biological components, here referred to as bio-mechatronic systems. The analysis concludes that an extension of the previous HE model with a separate biological systems entity significantly contributes to facilitating the functional and systematic analyses of bio-mechatronic systems.

    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-21068 (URN)10.1021/bp0701822 (DOI)
    Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2019-01-22Bibliografiskt granskad
    2. PAT and design science
    Öppna denna publikation i ny flik eller fönster >>PAT and design science
    2007 (Engelska)Ingår i: European Pharmaceutical Review, nr 3, s. 74-80Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Process analyties. technology (PAT) and mechanical design science are interconnected. This article describes how a well-established design modelling approach. The Hubka-Eder model, is applied to the concepis of PAT end quality by design (QBD). The model connects PAT With quality management concepts as defined for PAT by lhe ICH guldelines for quaiity issues. Examples are taken fom biopharmaceutical applications. but lhese are also applicable to other pharmaceutical ingredients (API). Benefits of using a conceptual design modelling approach on PAT and related subjects are discussed and suggestecl as a complementary functionality analysis tool in PAT and quality design pharmaceutical processes.

    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-21073 (URN)
    Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2019-01-22Bibliografiskt granskad
    3. Supporting concept synthesis by use of genetic algorithms
    Öppna denna publikation i ny flik eller fönster >>Supporting concept synthesis by use of genetic algorithms
    2004 (Engelska)Ingår i: Tools and Methods of Competitive Engineering, Proceedings Fifth International Symposium on Tools and Methods of Competitive Engineering / [ed] Horvath, I; Xirouchakis, P, Rotterdam: Milpress , 2004, s. 255-266Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
    Abstract [en]

    Evolutionary algorithms are common in parameter optimisation of a given solution. Conceptual design, however, initially involves finding a principle solution, and a bad principle choice can hardly be compensated by even the best detail design and parameter optimisation. This article therefore describes an approach to apply agenetic algorithm for concept synthesis by modelling principle choices as weil as their parameter values and treating both asoptimisation variables. The results are three alternative genome representations (of which a tree genome finally was chosen), algorithms for crossover and mutation operating on the tree genome and an evaluation strategy including weighted sum assessment over multiple criteria (conjunctive selection) as weil as meclhanisms that favour (disjunctive selection) or penalise (disjunctive elimination) concepts performing well or bad in one criterion respectively. The first task was to develop the method, which is also the focus of this article. Testing it in case studies in order to assess the effectiveness and practical applicability remains as a subsequent task. It can though be concluded that the presented approach fulfils its purpose, as it is capable of modelling the choice of the right principle solution during conceptual design.

    Ort, förlag, år, upplaga, sidor
    Rotterdam: Milpress, 2004
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-21078 (URN)90-5966-018-8 (ISBN)
    Konferens
    Fifth International Symposium on Tools and Methods of Competitive Engineering, Lausanne, Switzerland, April 13 - 17, 2004
    Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2012-11-30Bibliografiskt granskad
    4. An Approach to Verification and Evaluation of Early ConceptualDesign Solutions
    Öppna denna publikation i ny flik eller fönster >>An Approach to Verification and Evaluation of Early ConceptualDesign Solutions
    2002 (Engelska)Ingår i: Proceeding of 7th International Design Conference - Design, Dubrovnik, 2002, s. 125-130Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    In the eartly phases of the design process the evaluation and the following decision-making are based on limited amountof information, nevertheless the decision will determine the direction of the remaining design process. The objektivewith this paper is to present a way of representing the conceptual solutions, which facilitate an enhance utilisation of theavalible information. Based on the systems theory, a widening and more nuanced definition of the conception ofrelationship is being established, which implies an increased possibility of describing properties origin from theinteraction between elements. The proposed representation should be considered as a first step towards a moreelaborated methodology.

    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-21081 (URN)
    Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2009-09-28Bibliografiskt granskad
    5. Qualitative Modelling of Potential Failure: On Evaluation ofConceptual Design
    Öppna denna publikation i ny flik eller fönster >>Qualitative Modelling of Potential Failure: On Evaluation ofConceptual Design
    2008 (Engelska)Ingår i: Journal of engineering design (Print), ISSN 0954-4828, E-ISSN 1466-1837, Vol. 19, nr 3, s. 201-225Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Decisions made during the conceptual phase of the design process are crucial for long-term economic success. The correction of late-identified failure is often both difficult and time consuming, and may have a negative effect on performance. In the prevalent design methodologies, there are shortages concerning systematic and objective methods to evaluate solutions with respect to weak spots and errors, especially early in the design process. The objective of this article is to strengthen the evaluation methodology by examining the possibilities to identify potential problems within conceptual solutions, and to develop a means that facilitates the evaluation regarding this matter. The results presented in this article may be divided into two parts: a descriptive part where a generic approach of modelling the failure behaviour is proposed and a prescriptive part where a foundation of a methodology for identification of potential failure is outlined.

    Ort, förlag, år, upplaga, sidor
    Abingdon, Oxfordshire, United Kingdom: Taylor & Francis, 2008
    Nyckelord
    Concept; Evaluation; Failure; Methodology; Reliability
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-21082 (URN)10.1080/09544820701255858 (DOI)000254947400002 ()
    Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2017-12-13Bibliografiskt granskad
    6. Identification of Potential Failure: On Evaluation of ConceptualDesign
    Öppna denna publikation i ny flik eller fönster >>Identification of Potential Failure: On Evaluation of ConceptualDesign
    2009 (Engelska)Ingår i: Journal of engineering design (Print), ISSN 0954-4828, E-ISSN 1466-1837Artikel i tidskrift (Övrigt vetenskapligt) Submitted
    Abstract [en]

    ldentifying and attending to faults and shortcomings in the design before it reaches the market is crucial in order to achieve a profitable product. Letting the customer detect the shortcomings in the design is not an acceptable approach today, and will inevitably lead to unsatisfied costumers. Activities aimed at identifying faults in the product may becarried out during the entire design process, but faults identified late in the design process will require more resources to put right, and may affect the performance negatively to a higher degree than faults identified upstream in the process. This article aims to develop the theory and methodology regarding identification of potential failures in a system upstream from the design process. The result presented in this article comprises a method for modelling failuresand a process for identirying potential failures in conceptual solutions. The result is based onqualitative system modelling, where the known physical phenomena are compared to the system in order to evaluate the potential of different behaviour occurring. The effects the behaviour emits determine its impact on the system, and thus the potential for a failure. The article concludes with a comprehensive example demonstrating, and to some extend verirying, the method of identifying potential failures.

    Nyckelord
    Concept, Evaluation, Failure, Methodology, Reliability
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-21083 (URN)
    Tillgänglig från: 2009-09-28 Skapad: 2009-09-28 Senast uppdaterad: 2017-12-13Bibliografiskt granskad
  • 9.
    Derelöv, Micael
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Qualitative Modelling of Potential Failure: On Evaluation ofConceptual Design2008Ingår i: Journal of engineering design (Print), ISSN 0954-4828, E-ISSN 1466-1837, Vol. 19, nr 3, s. 201-225Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Decisions made during the conceptual phase of the design process are crucial for long-term economic success. The correction of late-identified failure is often both difficult and time consuming, and may have a negative effect on performance. In the prevalent design methodologies, there are shortages concerning systematic and objective methods to evaluate solutions with respect to weak spots and errors, especially early in the design process. The objective of this article is to strengthen the evaluation methodology by examining the possibilities to identify potential problems within conceptual solutions, and to develop a means that facilitates the evaluation regarding this matter. The results presented in this article may be divided into two parts: a descriptive part where a generic approach of modelling the failure behaviour is proposed and a prescriptive part where a foundation of a methodology for identification of potential failure is outlined.

  • 10.
    Derelöv, Micael
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Detterfelt, Jonas
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Mandenius, Carl-Fredrik
    Linköpings universitet, Institutionen för fysik, kemi och biologi. Linköpings universitet, Tekniska högskolan.
    Engineering Design Methodology for Bio-Mechatronic Products2008Ingår i: Biotechnology progress (Print), ISSN 8756-7938, E-ISSN 1520-6033, Vol. 4, nr 1, s. 232-244Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Four complex biotechnology products/product systems (a protein purification system, a bioreactor system, a surface plasmon resonance biosensor, and an enzymatic glucose analyzer) are analyzed using conceptual design principles. A design model well-known in mechanical system design, the Hubka-Eder (HE) model, is adapted to biotechnology products that exemplify combined technical systems of mechanical, electronic, and biological components, here referred to as bio-mechatronic systems. The analysis concludes that an extension of the previous HE model with a separate biological systems entity significantly contributes to facilitating the functional and systematic analyses of bio-mechatronic systems.

  • 11.
    Diffner, Björn
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Combining Flexibility and Efficiency in Automotive Assembly: Preparing for New Powertrain Vehicles2011Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    Global warming and peak oil are drawing attention to new types of energy technologies. Since transportation is one of the main contributors to carbon emissions and one of the biggest consumers of oil, new technologies to propel vehicles are being introduced. For the automotive industry, where the Internal Combustion Engine (ICE) has had complete dominance for some hundred years, the transition to new powertrains will be challenging for the entire operation.

    These new powertrain vehicles must not only be developed and tested, which is an enormous challenge in itself; they must also be manufactured with the same efficiency as ICE vehicles in order to reach a competitive price. There is great uncertainty regarding which powertrain solution will become the next paradigm, or even if there will be a new propulsion paradigm as dominant as the ICE. This, in combination with the fact that these new powertrain vehicles will initially be produced in relatively small volumes, probably calls for them to be produced in current manufacturing facilities mixed with ICE vehicles. This challenge is the foundation for this research.

    In order to manage the manufacturing challenges related to the introduction of new powertrain vehicles, both theoretical and empirical data have been analysed in this research. The empirical data is taken mainly from interviews, the author’s own observations and workshops with Volvo Cars and SAAB Automobile.

    In order to produce new powertrain vehicles in existing facilities, flexibility are identified as central components in this research. However, the flexibility needs to be achieved without affecting the efficiency of the manufacturing system. To achieve flexible automotive final assembly, four key flexibilities are identified in this research:

    • Mix Flexibility
    • New Product Flexibility
    • Modification Flexibility
    • Volume Flexibility

    To achieve these flexibilities, three key factors are identified and investigated in this research:

    • Mixed Model
    • AssemblyModularity
    • Platform Strategy

    This research describes these key factors’ relationship with one another, as well as their relationship to the key flexibilities. This research describes how the key factors are used to achieve flexibility in current final assembly, and how they can be used in future automotive final assembly. This is presented as a relationship model to combine flexibility and efficiency in automotive final assembly.

    A first step towards a stringent automotive product architecture-platform-vehicle structure is presented, along with key factors that are important in a successful automotive platform strategy. Guidelines are also described for how new powertrain vehicles should be designed in order to achieve as efficient final assembly as possible.

    Delarbeten
    1. To stay competitive in future automotive assembly – Some challenges related to flexibility
    Öppna denna publikation i ny flik eller fönster >>To stay competitive in future automotive assembly – Some challenges related to flexibility
    2011 (Engelska)Ingår i: Proceedings of the 2nd International Conference on Industrial Engineering and Operations Management (IEOM 2012), 2011, s. 62-67Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
    Abstract [en]

    The undergoing adaptation of mass customization, alongside the development and demand for new power trains, is challenging the manufacturing system of automotive manufacturers. This, in combination with demands from emerging markets and constantly decreasing product lifecycles, calls for increased flexibility. Based on the research findings, key flexibility types for the automotive industry were identified as Mix, New Product, Modification and Volume flexibility. To achieve these flexibilities, the mixed model assembly, modularity and platform strategies are identified as important factors. A generic BOP as part of the platform strategy is central to enable transferring of production.

    Nyckelord
    Automotive, flexibility, mixed model assembly, platform, modularity
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-70052 (URN)
    Konferens
    The 2nd International Conference on Industrial Engineering and Operations Management (IEOM 2012) 22nd – 24th of January 2011, Kuala Lumpur, Malaysia
    Tillgänglig från: 2011-08-17 Skapad: 2011-08-17 Senast uppdaterad: 2016-09-26Bibliografiskt granskad
    2. Successful Automotive Platform Strategy – Key Factors
    Öppna denna publikation i ny flik eller fönster >>Successful Automotive Platform Strategy – Key Factors
    2011 (Engelska)Ingår i: Proceedings of the 4th International Swedish Production Symposium, 2011, s. 85-92Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
    Abstract [en]

    This article aims to describe the benefits, problems and challenges associated with a platform strategy. Based on theoretical and empirical studies, some key factors for a successful platform strategy are identified and discussed. This paper also explores how a successful platform strategy in the automotive industry should be designed. There is no stringent platform definition in the automotive industry, and the definition varies between different manufacturers and over time. A literature review has been completed to identify some key factors in successful platform strategies. The identified factors are as follows: Bill of Process, Hard Points, Wheelbase, Track Width, Powertrain Architecture and Drive Wheel Positioning. These factors were then investigated at both SAAB Automobile and Volvo Cars through the authors´ own observations conducted during factory visits and interviews. This was done in order to evaluate the identified factors from their effect on the production system and the final product. These factors are considered important to be able to get scale benefits from the use of common components and production processes, at the same time as they allow vehicles to be tailored for different markets and customer needs.

    Nyckelord
    Automotive, Platform, Architecture, Bill of Process, Hard Points
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-70053 (URN)
    Konferens
    The 4th International Swedish Production Symposium 3rd – 5th of May 2011, Lund, Sweden
    Tillgänglig från: 2011-08-17 Skapad: 2011-08-17 Senast uppdaterad: 2016-09-26Bibliografiskt granskad
    3. Manufacturing Challenges Associated With the introduction of New Powertrain Vehicles
    Öppna denna publikation i ny flik eller fönster >>Manufacturing Challenges Associated With the introduction of New Powertrain Vehicles
    2011 (Engelska)Ingår i: Proceedings of 21st International Conference on Production Research ICPR21, 2011Konferensbidrag, Publicerat paper (Övrigt vetenskapligt)
    Abstract [en]

    For the automotive industry, where the Internal Combustion Engine (ICE) has had complete dominance, the transition to new powertrains will be challenging. The new powertrain vehicles must be manufactured with the same efficiency as ICE vehicles in order to reach a competitive price. This article explores some of the manufacturing challenges related to workload differences in current products and those associated with the introduction of new powertrain vehicles in a Mixed Model Assembly line for ICE vehicles. Three possible solutions to workload differences are described in theory, including how they are used in the current manufacturing system and how they might be used when introducing new powertrain vehicles. The solutions found were sequencing, dedicated assembly stations and modularity. In conclusion, it is suggested that modularity is the most efficient method in terms of flexibility and utilization, and some design approaches to facilitate efficient manufacturing are also suggested.

    Nyckelord
    Automotive, Mixed Model Assembly, Workload, Sequencing, Modularity
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-70054 (URN)978-3-8396-0293-5 (ISBN)
    Konferens
    The 21st International Conference on Production Research 31st of July - 4th of August 2011, Stuttgart, Germany
    Tillgänglig från: 2011-08-17 Skapad: 2011-08-17 Senast uppdaterad: 2016-09-26Bibliografiskt granskad
  • 12.
    Diffner, Björn
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Manufacturing Challenges Associated With the introduction of New Powertrain Vehicles2011Ingår i: Proceedings of 21st International Conference on Production Research ICPR21, 2011Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    For the automotive industry, where the Internal Combustion Engine (ICE) has had complete dominance, the transition to new powertrains will be challenging. The new powertrain vehicles must be manufactured with the same efficiency as ICE vehicles in order to reach a competitive price. This article explores some of the manufacturing challenges related to workload differences in current products and those associated with the introduction of new powertrain vehicles in a Mixed Model Assembly line for ICE vehicles. Three possible solutions to workload differences are described in theory, including how they are used in the current manufacturing system and how they might be used when introducing new powertrain vehicles. The solutions found were sequencing, dedicated assembly stations and modularity. In conclusion, it is suggested that modularity is the most efficient method in terms of flexibility and utilization, and some design approaches to facilitate efficient manufacturing are also suggested.

  • 13.
    Diffner, Björn
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Successful Automotive Platform Strategy – Key Factors2011Ingår i: Proceedings of the 4th International Swedish Production Symposium, 2011, s. 85-92Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    This article aims to describe the benefits, problems and challenges associated with a platform strategy. Based on theoretical and empirical studies, some key factors for a successful platform strategy are identified and discussed. This paper also explores how a successful platform strategy in the automotive industry should be designed. There is no stringent platform definition in the automotive industry, and the definition varies between different manufacturers and over time. A literature review has been completed to identify some key factors in successful platform strategies. The identified factors are as follows: Bill of Process, Hard Points, Wheelbase, Track Width, Powertrain Architecture and Drive Wheel Positioning. These factors were then investigated at both SAAB Automobile and Volvo Cars through the authors´ own observations conducted during factory visits and interviews. This was done in order to evaluate the identified factors from their effect on the production system and the final product. These factors are considered important to be able to get scale benefits from the use of common components and production processes, at the same time as they allow vehicles to be tailored for different markets and customer needs.

  • 14.
    Diffner, Björn
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    To stay competitive in future automotive assembly – Some challenges related to flexibility2011Ingår i: Proceedings of the 2nd International Conference on Industrial Engineering and Operations Management (IEOM 2012), 2011, s. 62-67Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    The undergoing adaptation of mass customization, alongside the development and demand for new power trains, is challenging the manufacturing system of automotive manufacturers. This, in combination with demands from emerging markets and constantly decreasing product lifecycles, calls for increased flexibility. Based on the research findings, key flexibility types for the automotive industry were identified as Mix, New Product, Modification and Volume flexibility. To achieve these flexibilities, the mixed model assembly, modularity and platform strategies are identified as important factors. A generic BOP as part of the platform strategy is central to enable transferring of production.

  • 15.
    Diffner, Björn
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Edlund, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Utvärdering av 3dvia Composer: -För arbetsinstruktioner och beredning2009Självständigt arbete på avancerad nivå (masterexamen), 30 poäng / 45 hpStudentuppsats
    Abstract [sv]

    I takt med den tekniska utvecklingen har datorstödd konstruktion och produktion blivit en alltviktigare del i produktlivscykeln. Nya affärsområden såsom funktionsförsäljning ochåtertillverkning där tillverkande företag har tagit på sig ett allt större ansvar för helaproduktlivscykeln har växt fram på senare tid. Detta ställer allt högre krav på att ha kontrollöver produktdata under hela produktlivscykeln. Datorstödd konstruktion är sedan länge utbrettoch etablerat inom industrin och på senare år har även digital manufacturing , med i vilketPapperslös produktion är en del fått en allt större betydelse. Papperslös produktion innebär attalla order och arbetsinstruktioner visas t.ex. på en skärm istället för i pappersform. För atthjälpa företag att bereda bättre arbetsinstruktioner har Dassault Systémes lanserat produkten3Dvia Composer.Företaget DELFOi arbetar med digital manufacturing på den nordiska marknaden och äråterförsäljare av Dassault Systémes produkter. DELFOi önskar veta om 3Dvia Composer ären produkt som tillför produktportföljen något och vilka vinster den kan ge deras kunder. Detär även viktigt att företaget har en modell som kan användas för att marknadsföra ochimplementera Composer framgångsrikt hos kund.För att utreda detta intervjuades fem företag som bereder instruktioner för olika delar avproduktlivscykeln. Deras arbetssätt kring arbetsinstruktioner kartlades, samt behov och bristeri arbetssätt identifierades. Teorier för människa/maskin-gränssnitt och elektroniskaarbetsinstruktioner studerades. Utifrån dessa teorier och resultatet från intervjuernautvärderades sedan 3Dvia Composers kompetens för framtagning av arbetsinstruktioner.Programvaran jämfördes också med konkurrerande program i en benchmarking. Slutligenarbetades metodik och dokument fram för hur DELFOi kan implementera 3Dvia Composerhos kund.Detta arbete visar att interaktiva arbetsinstruktioner har många fördelar och kan lösa många avde problem som företag idag identifierar relaterat till beredning av arbetsinstruktioner och3Dvia Composer är en kompetent programvara för att uppnå detta. Det kommer dock attkrävas stora arbetsresurser för att sälja 3Dvia Composer, eftersom de flesta företag, trots enrad uttalade problem, är nöjda med dagens arbetsmetodik och därför har svårt att söka nyalösningar på problemen.

  • 16.
    Dunbäck, Otto
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Reverse logistic challenges within the remanufacturing of automotive components2011Ingår i: Proceedings of 1st International Conference on Remanufacturing: July 26-29, Glasgow, UK, 2011, s. 74-82Konferensbidrag (Refereegranskat)
    Abstract [en]

    The remanufacturing industry as a whole, and the automotive sector in particular, have over the years proven to be beneficial to the environment and economically lucrative to the companies involved as well as to their customers. However, the different processes within remanufacturing are associated with complicating characteristics, not least to mention the process of core acquisition, which is not present in traditional manufacturing.

    This paper presents a qualitative study based on interviews from six SMEs regarding challenges linked to the reverse logistics of SMEs remanufacturing and trading automotive components, acting as a first attempt to identify the specific challenges concerning the collection phase of automotive mechatronics and electronics remanufacturing. Challenges previously identified by researchers are confirmed, additional challenges within the collection phase are recognized and challenges expected to arise when remanufacturing and trading automotive CAN bus components are identified and discussed. The major concern for the involved companies when auspicating future challenges is the handling, transportation and storing of cores. Even though the cores today mainly consist of mechanical components, these challenges are still present; they are expected, however, to become even more crucial when cores contain electronic components.

  • 17.
    Elo, Kristofer
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsteknik. Linköpings universitet, Tekniska högskolan.
    Karlsson, Julia
    Lydebrandt, Kristian
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Automation of Plastic Recycling – A case study2009Ingår i: Proceedings of EcoDesign 2009, Sapporo, Japan, Springer, 2009, s. 935-940Konferensbidrag (Refereegranskat)
    Abstract [en]

    Plastic recycling is an increasingly important issue intoday’s society. The number of plastics and theirvariation with additives has increased lately, affecting inturn the possibilities for plastic material recycling.However, trends in e.g. Japan show a reduction in thenumber of plastics used in e.g. household appliances.This reduction has been put into force in order to easeplastic recycling for those kinds of products.In Sweden, more efforts are put on collecting plasticfor material recycling. The intention for doing this is tohave more plastic material recycled rather thanincinerated and energy recovered. This paper deals witha conceptual investigation and development of anautomatic plastic recycling plant in Sweden. In order toreach a recycling plant that fulfills required technical andeconomic specifications, a large investigation of existingtechniques was performed. This investigation revealedmany techniques described in research, but also whichtechniques that were used by recycling industry today.The results of these studies became a conceptual andpotential well-functioning material recycling plant forplastics which is fully automatic. However, the focus ofthis development has been to sort out and materialrecycle the most common plastics, namely polyetene(LDPE and HDPE), polypropylene (PP), polyethylene(PET), polyvinyl chloride (PVC) and polystyrene (PS)whereas the other plastics have been sorted out forenergy recovery. Having these delimitations, a goodrecycling process plant can be achieved.

  • 18.
    Elo, Kristofer
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Conceptual Process Development of Automatic Disassembly of Flat Panel Displays for Material Recycling2011Ingår i: Proceedings from the International Conference on Remanufacturing 2011, Glasgow, UK, University of Strathclyde, 27 - 29 July 2011, 2011, s. 187-197Konferensbidrag (Refereegranskat)
    Abstract [en]

    Sales of television sets and computer monitors with flat panel displays have increased dramatically in recent years, and are expected to result in approximately 2.5 billion liquid crystal displays in Europe in the near future. A large investment will be required in Europe as well as globally to handle the large numbers of flat panel displays that are beginning to enter the waste stream today.Given the long-term effects of increased energy and raw material costs, as well as political directives to effect climate change and environmental pollution, it will be a necessity as well as a business opportunity to recycle both the raw materials and components from electronics waste. It is already an accepted truth that “today’s waste is tomorrow’s resources”.The research for this paper aims at exploring what process concepts there are for making an automatic recycling process of flat panel displays. The recycling process shall be both economical and practical to implement in the existing recycling industry.This paper is based on the requirements and needs facing Swedish electronic recycling companies due to the growing amount of electronic waste. This includes the material that will enter an automated flat panel display recycling facility, together with the material and components of interest.The conceptual process has been developed by conducting literature reviews and interviews with recycling companies, as well as by performing practical tests and financial calculations. The result of the evaluation of concepts shows that a circle-saw concept is most suitable, since it has high capacity and provides a good working environment in comparison to the other concepts studied.

  • 19.
    Elo, Kristofer
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsteknik. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Evaporation of Mercury from CCFLs during Recycling of LCD Television Sets2013Ingår i: Proceedings of EcoDesign 2013 International Symposium, 2013Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    The element mercury is one of the most hazardous substances known. Still, it is common in the air, water, soil and products we use in our daily life. LCD TVs is one of these products. To prevent the mercury in the LCD TVs from polluting the environment, the LCD TVs are recycled. This is done through automatic shredding or manual disassembly where the mercury can spread in the work environment, the process equipment or to the recycled material. This is due to broken CCFLs in the LCD TVs which contain the mercury. The aim of this paper is to investigate, through a literature review and an empirical study, the amount of mercury released into the work environment due to broken CCFLs from LCD TVs. In the literature review there were found the amount of mercury other researchers has found in CCFLs from LCD TVs, and also where the mercury was found. In the empirical study, the amount of mercury in a LCD due to broken CCFLs were measured and validates the results from other researcher and states that the mercury is difficult to predict.

  • 20.
    Elo, Kristofer
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Requirements and needs of automatic material recycling of flat panel displays2010Ingår i: Proceedings of Going Green CARE INNOVATION 2010, 8th International Symposium, November 8-11, Vienna, Austria, paper 107 on CD., 2010, s. 107-107Konferensbidrag (Refereegranskat)
    Abstract [en]

    The amount of flat panel displays in the World is increasing and the day whenthe displays will start to end up in the waste stream in great number is getting closer. Themost common flat panel display, the liquid crystal display, contains liquid crystals, indiumand mercury. The capacity of the recycling plants is not dimensioned according to theamount of displays that needs to be recycled in the near future. To increase the capacity ofthe recycling plants and achieve a better work environment there is a possibility to automatethe recycling process in a greater extends comparing with today. The requirements andneeds of the automated processes are to handle; all incoming material, e.g. liquid crystaldisplays, plasma display panel, organic light emitted diode, other types of displays andother electronic waste, identify and separate the different incoming materials, disassemblethe material and separate the components and materials of interest.

  • 21.
    Engkvist, Inga-Lill
    et al.
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för hälsa och samhälle, Sjukgymnastik.
    Eklund, Jörgen
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Björkman, Mats
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Eklund, Mats
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik.
    Employees at recycling centres in Sweden - Risks and Conditions,2005Ingår i: Nordic Ergonomics Society NES 37th Annual Conference,2005, 2005Konferensbidrag (Refereegranskat)
  • 22.
    Engkvist, Inga-Lill
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Eklund, Jörgen
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell arbetsvetenskap. Linköpings universitet, Tekniska högskolan. Division of Ergonomics, STH, Royal Institute of Technology, Huddinge, Sweden.
    Krook, Joakim
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Svensson, Richard
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell arbetsvetenskap. Linköpings universitet, Tekniska högskolan.
    Eklund, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Joint investigation of working conditions, environmental and system performance at recycling centres - development of instruments and their usage2010Ingår i: Applied Ergonomics, ISSN 0003-6870, E-ISSN 1872-9126, Vol. 41, nr 3, s. 336-346Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Recycling is a new and developing industry, which has only been researched to a limited extent. This article describes the development and use of instruments for data collection within a multidisciplinary research programme "Recycling centres in Swede - working conditions, environmental and system performance". The overall purpose of the programme was to form a basis for improving the function of recycling centres with respect to these three perspectives and the disciplines of: ergonomics, safety, external environment, and production systems. A total of 10 instruments were developed for collecting data from employees, managers and visitors at recucling centres, including one instrument for observing visitors. Validation tests were performed in several steps. This, along with the quality of the collected data, and experience from the data collection, showed that the instruments and methodology used were valid and suitable for their purpose.

  • 23.
    Engkvist, Inga-Lill
    et al.
    Linköpings universitet, Institutionen för medicin och hälsa, Sjukgymnastik. Linköpings universitet, Hälsouniversitetet.
    Eklund, Jörgen
    Industriell ergonomi, KTH.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Krook, Joakim
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Eklund, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Kihlstedt, Annika
    STFI-Packforsk AB.
    Planera, utforma och driva en återvinningscentral2009Bok (Övrig (populärvetenskap, debatt, mm))
    Abstract [sv]

    Denna bok baserar sig på de forskningsresultat och erfarenheter som kommit fram inom forskningsprogrammet ”Framtidens återvinningscentral” som är ett multidiciplinärt forskningsprogram som drivits vid Linköpings universitet under åren 2002-2007.Boken vänder sig till alla som är involverade vid planering, byggnation, ombyggnation och drift av återvinningscentraler. Dessa kan vara ansvariga inom kommuner, arkitekter, konsulter, arbetsledare på återvinningscentral, skyddsombud, fackliga förtroendemän med flera.

  • 24.
    Engkvist, Inga-Lill
    et al.
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för hälsa och samhälle, Sjukgymnastik.
    Krook, Joakim
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik.
    Eklund, Mats
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik.
    Eklund, Jörgen
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Kvalitetsteknik.
    Sundin, Erik
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Björkman, Mats
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Kihlstedt, Annika
    STFI-Packforsk AB.
    Återvinningscentralen - sorteringsplats, arbetsplats, mötesplats2008Bok (Övrig (populärvetenskap, debatt, mm))
  • 25.
    Grünberg, Tomas
    et al.
    KTH.
    Johansen, Kerstin
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Johansson, Björn
    CTH.
    Nordell, Peter
    CTH.
    Tangen, Stefan
    KTH.
    Productivity improvement work at ABB Robotics, Västerås2002Rapport (Övrigt vetenskapligt)
  • 26.
    Gunnarsson, Linus
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Bitar, Nadim
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Assembly Analysis - Fixed Leading Edge for Airbus A3202010Självständigt arbete på grundnivå (högskoleexamen), 10 poäng / 15 hpStudentuppsats (Examensarbete)
    Abstract [en]

    The objective with this thesis project was to with the simulations software Delmia make a working build philosophy for the new concept of the fixed leading edge for the Airbus A320 airliner, but also to make two conceptual fixtures in the modular framework BoxJoint for pre-drilling of two sub assemblies.

     

    Everything started with a study in Delmia to both recap on previous knowledge and to learn more about it. This was followed by early simulations on the new concepts that were provided by project partners. Then a study was made in the Affordable Reconfigurable tooling, ART-concept. A suggested build philosophy was created and possible areas for automation were identified. These areas were all the drilling and fettling operations except the drilling in the last stage where the pre-drilled holes are opened up. More investigations needs to be done to see if a robot can install and remove slave pins that are used in the last stage. Two conceptual designs on fixtures were created where one uses two industrial robots with vision systems to get the correct accuracy when drilling the product. The other was build to be able to use a Tau-Gantry robot solution together with a vision system.

  • 27.
    Hedelind, Mikael
    et al.
    Department of Innovation, Design and Product Development Mälardalen University.
    Jackson, Mats
    Department of Innovation, Design and Product Development Mälardalen University.
    Funk, Peter
    Department of Computer Science and Engineering Mälardalen University.
    Stahre, Johan
    Department of Product and Production Development Chalmers University of Technology.
    Söderberg, Rikard
    Department of Product and Production Development Chalmers University of Technology.
    Carlsson, Johan
    Department of Industrial Mathematics Fraunhofer Chalmers Research Centre.
    Björkman, Mats
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Winroth, Mats
    Department of Industrial Engineering and Management Jönköping University.
    Factory-in-a-Box - Solutions for Availability and Mobility of Flexible Production Capacity2007Ingår i: The Swedish Production Symposium,2007, 2007Konferensbidrag (Refereegranskat)
    Abstract [en]

    The objective of this paper is to present examples of how to realize a flexible and reconfigurable production system. An ongoing research project in Sweden called Factory-in-a-Box will be presented which is one research initiative within this area. The purpose of the Factory-in-a-Box project is to develop solutions for mobile production capacity on demand. Three key features have been identified as enablers for these kinds of production capabilities: mobility, flexibility, and speed. The concept consists of standardized modules that can be installed in e.g. containers and easily transported by trucks, rail vehicles, and boats. The modules can easily be combined into complete production systems and reconfigured for new products and/or scaled to handle new volumes. The goal of the Factory-in-a-Box project is to build fully operative production modules that are developed in close cooperation between different academic and industrial partners. This paper will present the results from these demonstrators giving examples of the usability of the Factory-in-a-Box concept in industry.

  • 28.
    Heinemo, Marcus
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Bäckström, Carl
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Rakrörshantering2011Självständigt arbete på grundnivå (högskoleexamen), 10,5 poäng / 16 hpStudentuppsats (Examensarbete)
    Abstract [en]

    In the current situation is the straight tube cutter, that provides Luvata’s line of large recoolers with copper tubes, manually operated. To prevent damages and facilitate mounting the tubes must be properly arranged when they leave the machine. This report aims to investigate and present an automated solution where the operator does not need to participate in the process. A number of theories have been drawn up and tests have been done. The results show that the in principle best solution is to have a leaning carrier that’s automatically height-adjusted by two lift tables underneath. The height adjustment keeps a constant distance between the top tube layer and rollover protection bars on the machine. That is done to allow the carrier to have a high enough angle to ensure that the tubes roll down even if they aren’t completely straight, but without rolling over the previous tubes. To evaluate the solutions Ulrich and Eppingers method for Concept scoring was used. This method means that the various solutions are scored and weighted based on a number of criteria’s, and the output is measurable results.

  • 29.
    Hermansson, Henning
    et al.
    Linköpings Universitet.
    Östlin, Johan
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Sundin, Erik
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Development of an automatic cleaning process for toner cartridges2007Ingår i: Advances in Life Cycle Engineering for Sustainable Manufacturing Business / [ed] Shozo Takata and Yasushi Umeda, London: Springer , 2007, 1, s. 257-261Kapitel i bok, del av antologi (Övrigt vetenskapligt)
    Abstract [en]

    Life cycle engineering deals with technologies for shifting the industry from mass production and mass consumption paradigm to closed loop manufacturing paradigm, in which required functions are provided for customers with the minimum amount of production. This subject is discussed from the various aspects, such as life cycle design, design for environment, reduce/reuse/recycle, life cycle assessment, and sustainable business models.

    Advances in Life Cycle Engineering for Sustainable Manufacturing Businesses gathers together papers from the 14th CIRP Life Cycle Engineering Conference. This conference is the longest running annual meeting in the field, in which papers are presented regarding developments of leading edge technologies, proposals of new concepts, and prominent industry case studies.

  • 30.
    Jarlö, Marcus
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Holmgren, Jonas
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Effektivisering av arbetsplats: Effektivisering av monteringsplats vid Wigells AB2009Självständigt arbete på grundnivå (högskoleexamen), 10 poäng / 15 hpStudentuppsats (Examensarbete)
    Abstract [en]

    The work presented in this report is written at IEIs department on Linköping Institute of Technology. The report aims to increase the assembly efficiency at Wigells AB. The report shall be used as a guide for the implementation of changes at other workstations in the company. Together with Träcentrum in Nässjö, Wigells AB has identified the needs of this study and contacted IEI at Linköping Institute of Technology.

    In order to implement an efficient assembly line at the company, studies on lean production have been made. This theory has been studied and together with our own views and findings at the company we have analyzed the assembly area.

    Wigells is a small company that manufactures wood furniture. A major problem for the assembly of the pin seats is that the company has a wide range of different models and designs.

    In order to identify problems and possible improvements we first carried out a current state analysis of the assembling area.

    The current state analysis shows that there are many operations in the manufacture of pin seats which are routine. Production consists today of manual operations and no automatic equipment. The company does not wish to acquire any automatic equipment.

    The assembly location is perceived by outsiders and employees of the company as disorganized. After the current state analysis was conducted and compiled, problems were identified in order to enable improvements.

    Identified difficulties in assembly:

    • Difficult to get an overview of the assembly area, it is perceived disorganized and cluttered assembly area
    • No documentation for assembly
    • Defective components from external suppliers
    • Defective components from internal machines

    In order to create solutions to problems discovered we had to link theory and our own views together to suggest new proposals. The major problem requiring a solution is how to pass on the existing craftsmanship and knowledge.To enhance the efficiency of the assembly area many small changes that are suggested must be implemented. The company should get the staff involved in the changes proposed in this work to get best result.

  • 31.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Collaborative Product Introduction within Extended Enterprises2005Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    The trend of outsourcing within the electronic industry has contributed to the creation of new types of extended enterprises. These extended enterprises must be able to manage a challenging situation with shorter product life cycles and increased collaboration between companies during the vital product introduction process. For the electronic industry, which is currently acting in an “era of hyper-competition”, it is a challenge to implement an efficient and flexible collaboration within an extended enterprise during the product introduction process. In the product introduction process, a product design is prepared for and transferred into production.

    During the course of this research, the electronic industry has changed continuously. Empirical data were first collected within an Original Equipment Manufacturer (OEM) that was responsible for its own production. Based on a strategic decision at the OEM, a new extended enterprise was established. In general, these new extended enterprises within the electronic industry consist of: a “product owner” in the form of an OEM that owns the product design and its brand; a “producer” in the form of an Electronic Manufacturing Services (EMS) company that is responsible for the production; and suppliers of services, material, components, equipment etc. However, in the later stages of this research the studied EMS was responsible for the product introduction, production and distribution of the product to the end user. In order to compare and contrast trends and lessons learned in similar industries, case studies within the mechanical engineering and aerospace industries also were performed.

    The dissertation primarily describes the process of collaborative product introduction (PI) within the electronic industry, and presents among other things a number of general conditions for efficient collaborative PI within an EE in that industry. First, a clearly communicated definition of what is included in product introduction is needed. A second condition is that early participation from all involved partners in the EE’s product introduction process supports efficient collaboration. Third, clear communication and information handling within the extended enterprise – both internally and externally – was found to facilitate collaboration. Fourth, business approaches should be built on trust, reliability and respect for each other’s competence. Finally, the importance of cultural awareness, both between different companies and countries, cannot be ignored. This research also presents a framework for supporting collaborative product introduction within an extended enterprise, which serves to both synthesize and summarize much of the research.

    Delarbeten
    1. An economic analysis of investment in an assembly line: Case study at Ericsson Mobile Communications AB, Linköping, Sweden
    Öppna denna publikation i ny flik eller fönster >>An economic analysis of investment in an assembly line: Case study at Ericsson Mobile Communications AB, Linköping, Sweden
    2001 (Engelska)Ingår i: Proceedings of ICPR-16 / [ed] Daniel Hanus, Jaroslav Talácko, 2001Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    During the last four years the global annual production of mobile telephones has increased four times. To Ericsson Mobile Communications AB's supply unit in Linköping, Sweden, this has been a tremendous challenge. The supply unit has increased the produced volume of mobile telephones six times during this period at the same premises. The strategy for the production-engineering depattment was to change the manual assembly line into an automated assembly line. The automated assembly line was built up with SONY smart cells. During 1998 the volumes increased rapidly and the automation strategy where copied to the test stations for the mobile telephones.

    This paper discusses the importance of how to link a manufacturing strategy to economical calculations. A case study at Ericsson Mobile Communications AB shows how financial calculations was used when changing from manual testing to automated testing of mobile telephones. Even though all benefits were not accounted for. the studied automation project for automated board test had a calculated pay back period of 7 months. The decreasing production volumes for mobile telephones made that the real yearly cost for the investment increased dramatically compared to the calculated investment cost. The decision-makers need to analyze the risks in an investment calculation due to the uncettai.nty in data used in the calculations. For example, it can be difficult to analyze the risks depending on the difficulty to predict the development for the product market and the future product volumes. The investment calculation result can also differ depending on who is delivering the numerical data that are included in the calculations.

    Nyckelord
    Manufacturing strategy, Production economy
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14108 (URN)
    Konferens
    ICPR-16: 16th International Conference on Production Research, 29 July-3 August 2001, Prague, Czech Republic
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    2. Towards the mass customization of mobile telephones: current strategy and scenarios for realization at Ericsson
    Öppna denna publikation i ny flik eller fönster >>Towards the mass customization of mobile telephones: current strategy and scenarios for realization at Ericsson
    2001 (Engelska)Ingår i: Proceedings of the 16th International Conference on Production Research, 2001Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    The paradigm of Mass Production is being challenged in a number of industries where fragmented markets and the customer's desire for individualized products have become the norm. In the largest consumer electronics industry in the world, that of mobile telephones, manufacturers are well aware of these trends. Many of these same manufacturers are responding with Mass Customization, which has been defined as customized production at Mass Production efficiency and speed. This research, conducted at Ericsson Mobile Communications AB in Sweden, explores the implications of implementing a Mass Customization strategy for the production of mobile telephones. The paper begins with an objective presentation of Mass Customization, which lays the foundation for a discussion of the strategy's applicability at Ericsson and in the mobile telephone industry as a whole. The study focused on the past, present, and projected roles of customized production at the company, and investigated its potential for Mass Customization in the future. Two frameworks from the customized manufacturing literature guided the data collection and analysis in the case. Findings from the study point towards minimal, yet increasing customization at Ericsson, and highlight recent efforts towards the realization of increasingly customer-focused production there. The applicability of different Mass Customization scenarios for Ericsson and its industry is also discussed.

    Nyckelord
    manufacturing strategy, mass customization, mobile communications industry
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14109 (URN)
    Konferens
    The 16th International Conference on Production Research, 29 July - 3 August, Prague, Czech Republic
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    3. Product introduction within extended enterprises
    Öppna denna publikation i ny flik eller fönster >>Product introduction within extended enterprises
    2002 (Engelska)Ingår i: Proceedings of ISCE’02 International Symposium on Consumer Electronics, Ilmenau, Germany, 2002Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    The outsourcing trend within the electronic industry during the last decade has founded new company networks - so called extended enterprises (EEs). Future products will, to a higher degree. be jointly developed and produced within these EEs consisting of product owners. producers and suppliers. The transfer of a design into production - product introduction (PI) or industrialization - needs to be suitable for co-operation within EEs with the aim of shorten the time from concept to volume production.

    This paper will describe PI within an EE relevant for the electronic industry. A definition of the PI process will be presented. Furthermore. a performed case study gives the following overall and fundamental criteria to consider working with PI within EEs. 1) A clear definition of what is included in PI, 2) Early participation of all participants in the product development project. 3) Clear cormmmication and information handling within the EE and 4) Business approach build on trust. reliability and respect for each other's competence.

    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14110 (URN)
    Konferens
    IEEE Internationa Symposium on Consumer Electronics (ISCS'02), 24-26 September 2002. Ilmenau, Germany
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    4. From mass production to mass customization: enabling perspectives from the Swedish mobile telephone industry
    Öppna denna publikation i ny flik eller fönster >>From mass production to mass customization: enabling perspectives from the Swedish mobile telephone industry
    2004 (Engelska)Ingår i: Production planning & control (Print), ISSN 0953-7287, E-ISSN 1366-5871, Vol. 15, nr 4, s. 362-372Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Much has been written about the conceptual nature of mass customization, and the success of several best business practitioners in the area have been well documented. Most companies, however, are not textbook examples of best practice, but rather are making incremental progress towards mass customization based on a mass-production heritage. This paper presents the findings of a case study that investigated a mass customization initiative at a leading mobile telephone manufacturer in Sweden. The primary objective of the study was to determine the implications of a radically new manufacturing initiative for the company – the production of a customized, entry-level mobile telephone. The differences between the traditional scenario of the mass production of standardized products at the company and that of the new customized production were also sought. The findings of the study, which are presented using the product, process and system perspectives, are aided by a number of customization-related frameworks from the literature. The discussion includes the impact of moving the customization order point downstream in the value chain in terms of increased efficiency and reduced lead times, the reduced requirement for manufacturing flexibility with shifting production system boundaries, and the company's status as a mass customizer.

    Nyckelord
    mass customization, strategy, product design, process design, system design, case studies
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14111 (URN)10.1080/0953728042000238836 (DOI)
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2017-12-13
    5. Conflicting goals in Concurrent Engineering: Case Studies from Product Introduction within Extended Enterprises
    Öppna denna publikation i ny flik eller fönster >>Conflicting goals in Concurrent Engineering: Case Studies from Product Introduction within Extended Enterprises
    2003 (Engelska)Ingår i: Proceedings of the 10th ISPE International Conference on Concurrent Engineering: Research and Applications, July 26-30, Madeira, Portugal, 2003Konferensbidrag, Publicerat paper (Refereegranskat)
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14112 (URN)
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    6. Methods for cooperative product development in extended enterprises
    Öppna denna publikation i ny flik eller fönster >>Methods for cooperative product development in extended enterprises
    2003 (Engelska)Ingår i: Proceedings of the Euroma/POMS Conference, June 16-18, Como, Italy, 2003Konferensbidrag, Publicerat paper (Refereegranskat)
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14113 (URN)
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    7. Product realization through concurrent engineering within extended enterprises: A case study
    Öppna denna publikation i ny flik eller fönster >>Product realization through concurrent engineering within extended enterprises: A case study
    2003 (Engelska)Ingår i: Proceedings of the 10th ISPE International Conference on Concurrent Engineering: Research and Applications, July 26-30, Madeira, Portugal, 2003Konferensbidrag, Publicerat paper (Refereegranskat)
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14114 (URN)
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    8. Coordination in collaborative manufacturing mega-networks: a case study
    Öppna denna publikation i ny flik eller fönster >>Coordination in collaborative manufacturing mega-networks: a case study
    2005 (Engelska)Ingår i: Journal of engineering and technology management, ISSN 0923-4748, E-ISSN 1879-1719, Vol. 22, nr 3, s. 226-244Artikel i tidskrift (Refereegranskat) Published
    Abstract [en]

    Collaborative manufacturing networks are becoming popular. Today, the scale of these networks can be enormous, and include a complex myriad of partners from numerous companies and organizations spanning several countries and even continents. This paper explores how these partners successfully coordinate projects through an investigation of one such “collaborative manufacturing mega-network” or CMMN in the commercial aerospace industry. The case is analyzed with the aid of the literary state-of-the-art, and a number of organizational, structural, and cultural issues are discussed including mass customization. Finally, some of the most important factors for the successful CMMN are presented.

    Nyckelord
    Collaborative manufacturing, Collaborative networks, Commercial aerospace industry, Mass customization
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14115 (URN)10.1016/j.jengtecman.2005.06.005 (DOI)
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2017-12-13
  • 32.
    Johansen, Kerstin
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Global production - a short review of some papers and the situation in a manufacturing network2000Rapport (Övrigt vetenskapligt)
  • 33.
    Johansen, Kerstin
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Konstruktion för produktion ger förutsättningar till bättre produktivitet2003Ingår i: Bättre produktivitet, ISSN 1402-1145, Vol. 7Artikel i tidskrift (Övrig (populärvetenskap, debatt, mm))
  • 34.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Product introduction within extended enterprises : description and conditions2002Licentiatavhandling, sammanläggning (Övrigt vetenskapligt)
    Abstract [en]

    The trend of outsourcing within the electronic industry has contributed to the creation of new types of extended enterprises. These extended enterprises must be able to manage a challenging situation with shorter product life cycles, increased co-operation between companies during product development, more individualized products, etc.

    In general, these new extended enterprises consist of: a "product owner" in the form of an Original Equipment Manufacturer (OEM) that owns the product design and its brand; a "producer" in the form of an Electronic Manufacturing Services (EMS) company that is responsible for the manufacturing; and suppliers of services, material, components, equipment etc. In some cases the producer has the responsibility for the product introduction process. In the product introduction process a product design is prepared for and transferred into production. The product introduction includes the design of the production system.

    The challenging situation in the electronic industry demands an efficient and flexible manner of work during the product introduction process within an extended enterprise. The objective for this thesis is therefore to explore and describe, on a general level, factors, parameters, and conditions that are of importance for an efficient product introduction within an extended enterprise.

    In the research empirical data were. first collected within an OEM that was responsible for its own manufacturing. Based on a strategic decision at the OEM a new extended enterprise was founded. This new extended enterprise consists of the original OEM as a product owner, an EMS as a producer with responsibility for product introduction and manufacturing, and their suppliers. After this strategic decision, further empirical data were collected within this newly founded extended enterprise.

    The analysis of the empirical data made it possible to explore and describe a generic product introduction process. Furthermore, a generic structure of an extended enterprise is presented and the main conditions to fulfill in order to achieve an efficient product introduction within an extended enterprise are described. These main conditions are:

    1. A clear defmition of what is included in product introduction.
    2. Early participation from Production System Design in the product development project.
    3. Clear communication and information handling within the extended enterprise - both internally and externally.
    4. Business approaches built on trust, reliability and respect for each other's competence.
    Delarbeten
    1. An economic analysis of investment in an assembly line: Case study at Ericsson Mobile Communications AB, Linköping, Sweden
    Öppna denna publikation i ny flik eller fönster >>An economic analysis of investment in an assembly line: Case study at Ericsson Mobile Communications AB, Linköping, Sweden
    2001 (Engelska)Ingår i: Proceedings of ICPR-16 / [ed] Daniel Hanus, Jaroslav Talácko, 2001Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    During the last four years the global annual production of mobile telephones has increased four times. To Ericsson Mobile Communications AB's supply unit in Linköping, Sweden, this has been a tremendous challenge. The supply unit has increased the produced volume of mobile telephones six times during this period at the same premises. The strategy for the production-engineering depattment was to change the manual assembly line into an automated assembly line. The automated assembly line was built up with SONY smart cells. During 1998 the volumes increased rapidly and the automation strategy where copied to the test stations for the mobile telephones.

    This paper discusses the importance of how to link a manufacturing strategy to economical calculations. A case study at Ericsson Mobile Communications AB shows how financial calculations was used when changing from manual testing to automated testing of mobile telephones. Even though all benefits were not accounted for. the studied automation project for automated board test had a calculated pay back period of 7 months. The decreasing production volumes for mobile telephones made that the real yearly cost for the investment increased dramatically compared to the calculated investment cost. The decision-makers need to analyze the risks in an investment calculation due to the uncettai.nty in data used in the calculations. For example, it can be difficult to analyze the risks depending on the difficulty to predict the development for the product market and the future product volumes. The investment calculation result can also differ depending on who is delivering the numerical data that are included in the calculations.

    Nyckelord
    Manufacturing strategy, Production economy
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14108 (URN)
    Konferens
    ICPR-16: 16th International Conference on Production Research, 29 July-3 August 2001, Prague, Czech Republic
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    2. Towards the mass customization of mobile telephones: current strategy and scenarios for realization at Ericsson
    Öppna denna publikation i ny flik eller fönster >>Towards the mass customization of mobile telephones: current strategy and scenarios for realization at Ericsson
    2001 (Engelska)Ingår i: Proceedings of the 16th International Conference on Production Research, 2001Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    The paradigm of Mass Production is being challenged in a number of industries where fragmented markets and the customer's desire for individualized products have become the norm. In the largest consumer electronics industry in the world, that of mobile telephones, manufacturers are well aware of these trends. Many of these same manufacturers are responding with Mass Customization, which has been defined as customized production at Mass Production efficiency and speed. This research, conducted at Ericsson Mobile Communications AB in Sweden, explores the implications of implementing a Mass Customization strategy for the production of mobile telephones. The paper begins with an objective presentation of Mass Customization, which lays the foundation for a discussion of the strategy's applicability at Ericsson and in the mobile telephone industry as a whole. The study focused on the past, present, and projected roles of customized production at the company, and investigated its potential for Mass Customization in the future. Two frameworks from the customized manufacturing literature guided the data collection and analysis in the case. Findings from the study point towards minimal, yet increasing customization at Ericsson, and highlight recent efforts towards the realization of increasingly customer-focused production there. The applicability of different Mass Customization scenarios for Ericsson and its industry is also discussed.

    Nyckelord
    manufacturing strategy, mass customization, mobile communications industry
    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14109 (URN)
    Konferens
    The 16th International Conference on Production Research, 29 July - 3 August, Prague, Czech Republic
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
    3. Product introduction within extended enterprises
    Öppna denna publikation i ny flik eller fönster >>Product introduction within extended enterprises
    2002 (Engelska)Ingår i: Proceedings of ISCE’02 International Symposium on Consumer Electronics, Ilmenau, Germany, 2002Konferensbidrag, Publicerat paper (Refereegranskat)
    Abstract [en]

    The outsourcing trend within the electronic industry during the last decade has founded new company networks - so called extended enterprises (EEs). Future products will, to a higher degree. be jointly developed and produced within these EEs consisting of product owners. producers and suppliers. The transfer of a design into production - product introduction (PI) or industrialization - needs to be suitable for co-operation within EEs with the aim of shorten the time from concept to volume production.

    This paper will describe PI within an EE relevant for the electronic industry. A definition of the PI process will be presented. Furthermore. a performed case study gives the following overall and fundamental criteria to consider working with PI within EEs. 1) A clear definition of what is included in PI, 2) Early participation of all participants in the product development project. 3) Clear cormmmication and information handling within the EE and 4) Business approach build on trust. reliability and respect for each other's competence.

    Nationell ämneskategori
    Teknik och teknologier
    Identifikatorer
    urn:nbn:se:liu:diva-14110 (URN)
    Konferens
    IEEE Internationa Symposium on Consumer Electronics (ISCS'02), 24-26 September 2002. Ilmenau, Germany
    Tillgänglig från: 2006-11-01 Skapad: 2006-11-01 Senast uppdaterad: 2016-09-26
  • 35.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Ajkunic, Almir
    Linköpings universitet.
    Elik, Cevat
    Linköpings universitet.
    Jina, Kaylan
    Linköpings universitet.
    Nyberg, Jonathan
    Linköpings universitet.
    Sarajlic, Rijad
    Linköpings universitet.
    Lundquist, Agneta
    Dassault Systemes Sweden AB.
    Assembly simulation in practice - An illustrative learning case2007Ingår i: The Swedish production symposium,2007, 2007Konferensbidrag (Refereegranskat)
    Abstract [en]

      

  • 36.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björklund, Stefan
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Tekniska högskolan.
    Methods for cooperative product development in extended enterprises2003Ingår i: Proceedings of the Euroma/POMS Conference, June 16-18, Como, Italy, 2003Konferensbidrag (Refereegranskat)
  • 37.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björklund, Stefan
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Tekniska högskolan.
    Product realization through concurrent engineering within extended enterprises: A case study2003Ingår i: Proceedings of the 10th ISPE International Conference on Concurrent Engineering: Research and Applications, July 26-30, Madeira, Portugal, 2003Konferensbidrag (Refereegranskat)
  • 38.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Conflicting goals in Concurrent Engineering: Case Studies from Product Introduction within Extended Enterprises2003Ingår i: Proceedings of the 10th ISPE International Conference on Concurrent Engineering: Research and Applications, July 26-30, Madeira, Portugal, 2003Konferensbidrag (Refereegranskat)
  • 39.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Product introduction within extended enterprises2002Ingår i: Proceedings of ISCE’02 International Symposium on Consumer Electronics, Ilmenau, Germany, 2002Konferensbidrag (Refereegranskat)
    Abstract [en]

    The outsourcing trend within the electronic industry during the last decade has founded new company networks - so called extended enterprises (EEs). Future products will, to a higher degree. be jointly developed and produced within these EEs consisting of product owners. producers and suppliers. The transfer of a design into production - product introduction (PI) or industrialization - needs to be suitable for co-operation within EEs with the aim of shorten the time from concept to volume production.

    This paper will describe PI within an EE relevant for the electronic industry. A definition of the PI process will be presented. Furthermore. a performed case study gives the following overall and fundamental criteria to consider working with PI within EEs. 1) A clear definition of what is included in PI, 2) Early participation of all participants in the product development project. 3) Clear cormmmication and information handling within the EE and 4) Business approach build on trust. reliability and respect for each other's competence.

  • 40.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Winroth, M.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    An economic analysis of investment in an assembly line: Case study at Ericsson Mobile Communications AB, Linköping, Sweden2001Ingår i: Proceedings of ICPR-16 / [ed] Daniel Hanus, Jaroslav Talácko, 2001Konferensbidrag (Refereegranskat)
    Abstract [en]

    During the last four years the global annual production of mobile telephones has increased four times. To Ericsson Mobile Communications AB's supply unit in Linköping, Sweden, this has been a tremendous challenge. The supply unit has increased the produced volume of mobile telephones six times during this period at the same premises. The strategy for the production-engineering depattment was to change the manual assembly line into an automated assembly line. The automated assembly line was built up with SONY smart cells. During 1998 the volumes increased rapidly and the automation strategy where copied to the test stations for the mobile telephones.

    This paper discusses the importance of how to link a manufacturing strategy to economical calculations. A case study at Ericsson Mobile Communications AB shows how financial calculations was used when changing from manual testing to automated testing of mobile telephones. Even though all benefits were not accounted for. the studied automation project for automated board test had a calculated pay back period of 7 months. The decreasing production volumes for mobile telephones made that the real yearly cost for the investment increased dramatically compared to the calculated investment cost. The decision-makers need to analyze the risks in an investment calculation due to the uncettai.nty in data used in the calculations. For example, it can be difficult to analyze the risks depending on the difficulty to predict the development for the product market and the future product volumes. The investment calculation result can also differ depending on who is delivering the numerical data that are included in the calculations.

  • 41.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik.
    Winroth, Mats
    Jönköpings tekniska högskola.
    Localization of manufacturing - A systematic framework2003Ingår i: Euroma/POMS Conference,2003, 2003Konferensbidrag (Refereegranskat)
    Abstract [en]

      

  • 42.
    Johansen, Kerstin
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Öhrwall Rönnbäck, Anna
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell ekonomi. Linköpings universitet, Tekniska högskolan.
    Serving Customers Together: Support for Interorganisational Product Realisation in SMEs2008Ingår i: Proceedings of the Swedish Production Symposium 2008, Stockholm, Sweden: KTH , 2008Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    Many companies collaborate in company networks in order to increase the competence available for development and manufacturing of products. These companies need to exchange information during all phases in a product realisation project. This information may be very sensitive, eg in the early concept phases for a new product or very important for the production output in the later phases. The objective of this paper is to investigate opportunities and challenges with IT support for interorganisational complex product realisation for small and medium-sized enterprises (SMEs) in the manufacturing industry. Based on three industrial cases the findings show that there are three types of challenges to manage for SMEs that want to collaborate; (1) strategic collaboration, (2) im-provement collaboration, and (3) operative collaboration. These three types of collaboration are critical in order to improve the way customers are served by SMEs.

  • 43.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Kihlman, Henrik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Fixture design using Configurators2008Ingår i: Proceedings of the 2008 Swedish Production Symposium / [ed] Lindberg, B.; Stahre, J., 2008Konferensbidrag (Refereegranskat)
    Abstract [en]

    Design and manufacture of fixtures are among one of the major cost drivers in product industrialization. Modular or reconfigurable fixture solutions that may be adapted to encompass a large variety of parts or products have been researched and employed in applications ranging from machining to assembly. These solutions have not only the potential to reduce fixture manufacturing cost, but they also render it possible for different solutions to facilitate and speed up actual design work. The process of designing fixtures today is complicated, time consuming and require long experience by the tool designer. In this paper we present the Configurator approach - add on programs to the CAD-software which aids the designer in the design process. The Configurators are semi-automated and interactive, designed to use in compliance with the ART-concept, a reconfigurable fixture concept for assembly applications. The Configurator approach has been tested on industrial cases and parts of the results are presented in this paper.

  • 44.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Murray, Thomas
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Robertsson, Anders
    Lund University, Department of Automatic Control.
    Stolt, Andreas
    Lund University, Department of Automatic Control.
    Ossbahr, Gilbert
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Nilsson, Klas
    Lund University, Department of Computer Science.
    Force Feedback for Assembly of Aircraft Structures2010Ingår i: Proceedings of the SAE 2010 Aerospace Manufacturing and Automated Fastening Conference & Exhibition, SAE International, 2010Konferensbidrag (Refereegranskat)
    Abstract [en]

    Variability in composite manufacture and the limitations in positional accuracy of common industrial robots have hampered automation of assembly tasks within aircraft manufacturing. One way to handle geometry variations and robot compliancy is to use force control. Force control technology utilizes a sensor mounted on the robot to feedback force data to the controller system so instead of being position driven, i.e. programmed to achieve a certain position with the tool, the robot can be programmed to achieve a certain force. This paper presents an experimental case where a compliant rib is aligned to multiple surfaces using force feedback and an industrial robot system from ABB. Two types of ribs where used, one full size carbon fiber rib, and one smaller metal replica for evaluation purposes. The alignment sequence consisted of several iterative steps and a search procedure was implemented within the robot control system. The technology has the potential to lessen the need for dedicated tooling, reduce the need for traditional workspace calibration and can be used in several other applications, such as pin and socket type assemblies found in pylons or landing gear or “part to part” assemblies such as leading edge ribs to spar.

  • 45.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Ossbahr, Gilbert
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Affordable Reconfigurable Tooling using Mini Flexapods2009Ingår i: Proceedings of The International 3'rd Swedish Production Symposium, 2009Konferensbidrag (Refereegranskat)
    Abstract [en]

    Manufacturing processes are subject to increasing product changes, product diversity and customisation, higher quality demands and shorter lead times, all of which are drivers for new flexible approaches to manufacturing. As a result modular and reconfigurable fixture solutions have been both researched and commercialized. One of these is the ART, “Affordable Reconfigurable Tooling” concept, which relies on an external measuring system rather than internal accuracy of all fixture parts. Traditionally for dedicated fixtures shims are often used to achieve desired position and tolerances. This paper presents the “Mini Flexapod”, a small 6 degree of freedom reconfigurable device as part of the ART concept. The Mini Flexapod is designed to eliminate shimming and therefore has a small working envelope of approximately ± 4mm. Three different designs of the Mini Flexapod are presented, together with an illustrative application case from aircraft manufacturing. Further work will be done to improve design and to develop an intuitive operator interface for adjusting the Mini Flexapod.

  • 46.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Ossbahr, Gilbert
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Aspects of reconfigurable and flexible fixtures2010Ingår i: Production Engineering, ISSN 0944-6524, Vol. 4, nr 4, s. 333-339Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The design and manufacture of fixtures and other dedicated tooling for positioning of workpieces are among the major cost drivers in product industrialization. This has spurred research and commercial interest towards other fixturing solutions like reconfigurable fixtures, with the ability to be changed, or  reconfigured , to suit different parts and products. When reconfiguring, the product interface not only has to be moved but moved to a desired position and orientation. Several different approaches have been used to move and position these devices, all with their own advantages and disadvantages. This article presents different methods used to position and reconfigure flexible fixture devices using a parallel kinematic device as a case. Discussing the different ways to reconfigure a flexible device, the article aims to arrange the techniques according to their key features.

  • 47.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Ossbahr, Gilbert
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Aspects of reconfigurable and flexible fixtures2009Ingår i: Proceedings for the 3rd International Conference on Changeable, Agile, Reconfigurable and Virtual Production, 2009Konferensbidrag (Refereegranskat)
  • 48.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Ossbahr, Gilbert
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Coordinate Controlled Fixturing for Affordable Reconfigurable Tooling2008Ingår i: Proceedings of 2nd CIRP Conference on Assembly Technologies and Systems, 2008Konferensbidrag (Refereegranskat)
  • 49.
    Jonsson, Marie
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Ossbahr, Gilbert
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Development of a new flexible fixturing device for Affordable Reconfigurable Tooling2010Ingår i: 3rd CIRP Conference on Assembly Technologies and Systems: Responsive, customer demand driven, adaptive assembly / [ed] Terje K. Lien, Trondheim: Tapir Akademisk Forlag, 2010, s. 103-108Konferensbidrag (Refereegranskat)
    Abstract [en]

    To use thin wedges of metal to adjust fixtures, i.e shimming, has been a common approach to achieve desired position and tolerance. To build a fixture using shims is time-consuming and results in a fixture that is difficult to modify. The newly developed ART (Affordable Reconfigurable Tooling) concept addresses the need for flexible fixturing by means of reconfigurable supports that are set to desired position by guidance from an outer measuring system. The ART concept can be realized by means of several different reconfigurable devices, among these is the newly developed “Mini Flexapod”. This small 6 degree of freedom reconfigurable device was designed to eliminate shimming and therefore has a small working envelope of approximately 4x4x4 mm. The Mini Flexapod is a result of working with several manufacturing cases  described in this paper.

  • 50.
    Kihlman, Henrik
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Brogårdh, Torgny
    ABB Robotics.
    Haage, Mathias
    Lund University.
    Nilsson, Klas
    Lund University.
    Olsson, Tomas
    Lund University.
    On the Use of Force Feedback for Cost Efficient Robotic Drilling2007Konferensbidrag (Övrigt vetenskapligt)
    Abstract [en]

    Drilling is one of the most costly and labour-intensive operations in aircraft assembly. Rather than automating with expensive fixtures and precise machinery, our approach is to make use of standard low-cost robot equipment in combination with sensor feedback. The focus is to eliminate the sliding movement of the end-effector during the clamp-up, called the skating effect, and to keep the end-effector orthogonal to the surface, thus avoiding holes that are not perpendicular. To that end, force feedback is used for building up pressure to clamp up an end-effector to the work-piece surface prior to drilling. The system, including the planning of force parameters for each hole to be drilled, was programmed in DELMIA. The drilling was accomplished with the aid of an extension to the ABB Rapid language called ExtRapid, which is an XML-like code that is interpreted by the force feedback controller downstream in the process. Although experimental results are from drilling, the conceptual idea is believed to be useful in many other applications requiring external sensor feedback control of industrial robots.

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