liu.seSearch for publications in DiVA
Endre søk
Begrens søket
3456789 251 - 300 of 456
RefereraExporteraLink til resultatlisten
Permanent link
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Treff pr side
  • 5
  • 10
  • 20
  • 50
  • 100
  • 250
Sortering
  • Standard (Relevans)
  • Forfatter A-Ø
  • Forfatter Ø-A
  • Tittel A-Ø
  • Tittel Ø-A
  • Type publikasjon A-Ø
  • Type publikasjon Ø-A
  • Eldste først
  • Nyeste først
  • Skapad (Eldste først)
  • Skapad (Nyeste først)
  • Senast uppdaterad (Eldste først)
  • Senast uppdaterad (Nyeste først)
  • Disputationsdatum (tidligste først)
  • Disputationsdatum (siste først)
  • Standard (Relevans)
  • Forfatter A-Ø
  • Forfatter Ø-A
  • Tittel A-Ø
  • Tittel Ø-A
  • Type publikasjon A-Ø
  • Type publikasjon Ø-A
  • Eldste først
  • Nyeste først
  • Skapad (Eldste først)
  • Skapad (Nyeste først)
  • Senast uppdaterad (Eldste først)
  • Senast uppdaterad (Nyeste først)
  • Disputationsdatum (tidligste først)
  • Disputationsdatum (siste først)
Merk
Maxantalet träffar du kan exportera från sökgränssnittet är 250. Vid större uttag använd dig av utsökningar.
  • 251.
    Li, Congdong
    et al.
    School of Management, Jinan University, Guangzhou, 510632, China / College of Management and Economics, Tianjin University, Tianjin, 300072, China.
    Zhang, Fanshun
    School of Management, Jinan University, Guangzhou, 510632, China.
    Cao, Cejun
    Institute of Physical Internet, School of Electrical and Information Engineering, Jinan University (Zhuhai Campus), Zhuhai, 519070, China / College of Management and Economics, Tianjin University, Tianjin, 300072, China.
    Liu, Yang
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten. Institute of Physical Internet, School of Electrical and Information Engineering, Jinan University (Zhuhai Campus), Zhuhai, 519070, China / Department of Production, University of Vaasa, 65200 Vaasa, Finland.
    Qu, Ting
    Institute of Physical Internet, School of Electrical and Information Engineering, Jinan University (Zhuhai Campus), Zhuhai, 519070, China.
    Organizational coordination in sustainable humanitarian supply chain: an evolutionary game approach2019Inngår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 219, s. 291-303Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Sustainable humanitarian supply chain has a great impact on saving lives, decreasing human suffering and contributing to development. Organizational coordination plays an important role in it, although it is uncommon to be established due to the conflicting interests and expectations. To cope with the problem and achieve the sustainability of humanitarian supply chain, the coordination between private sector and humanitarian organization was further discussed with the help of sustainable principle regarding stakeholder approach. Different from the existing literature that elaborated the drivers and the advantages of coordination, this paper aims to explore the coordination mechanism regarding whether to coordinate, when to adopt the optimal coordinated strategy and how such a strategy can perform well. To analyze the tendency of the coordinated decisions, evolutionary game models concerning traditional and trust mechanisms were developed. Then, computational studies based on hypothetic data were simulated to validate the effectiveness of the proposed model. Results indicated that the coordination decision was affected by coordinated returns and costs, normal returns and extra returns in terms of the traditional mechanism. Several situations in regard to the coordinated decisions were analyzed by adopting evolutionary stable strategies. Moreover, trust had a significantly positive impact on coordination promotion under the support of potential returns and high-level trust. Finally, managerial insights for achieving the sustainable humanitarian supply chain were given from the perspective of organizational coordination and strategy.

  • 252.
    Lidén, Tomas
    Linköpings universitet, Institutionen för teknik och naturvetenskap, Kommunikations- och transportsystem. Linköpings universitet, Tekniska fakulteten.
    Towards concurrent planning of railway maintenance and train services2016Licentiatavhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Efficiency in the public and freight transportation systems is of crucial importance for a society. Railways can offer high capacity and relatively low environmental impact, but require that several technical systems are tuned and operate well. Specifically there is a very tight interdependency between infrastructure and trains, which distinguishes railways from other transportation modes. Thus maintenance of all the subsystems is needed.

    Railways do also have some specific and complicating properties that influence maintenance and operations: Most activities need exclusive access to the infrastructure and - due to the geographic layout, safety requirements and partitioning of the subsystems - large portions of the network will be affected by each activity. Furthermore, several organisational units and resources are involved, ranging from governments and regulatory bodies, over operators and contractors to suppliers, technical experts and work forces. Thus railway maintenance is complicated to organize and consumes large budgets.

    This thesis treats the planning and scheduling problems that concern railway infrastructure maintenance and the coordination with train traffic. Mathematical methods and optimization are studied and used, with the aim of advancing the knowledge about models for solving such problems.

    The thesis contains three papers and presents: (1) A survey regarding railway maintenance activities, the major planning problems and the conducted research so far; (2) A model for quantitative comparison and assessment of competing capacity requests from train operations and maintenance; (3) An optimization model for integrated scheduling of both maintenance windows and train services.

    The work can be helpful for practitioners as well as researchers who want to take further steps in this interesting and challenging area. Based on the results that have been obtained, future research directions are presented that may lead towards practical use of concurrent planning of railway maintenance and train services.

    Delarbeid
    1. Railway infrastructure maintenance - a survey of planning problems and conducted research
    Åpne denne publikasjonen i ny fane eller vindu >>Railway infrastructure maintenance - a survey of planning problems and conducted research
    2015 (engelsk)Inngår i: Transportation Research Procedia / [ed] Bruno F. Santos, Gonçalo H.A. Correia and Maarten Kroesen, Elsevier, 2015, Vol. 10, s. 574-583Konferansepaper, Publicerat paper (Annet vitenskapelig)
    Abstract [en]

    Railway infrastructure maintenance consumes very large budgets, is complicated to organize and has numerous challenging planning problems. Specifically, the coordination with train traffic operation is of crucial importance. Despite this, little work has been conducted in the operations research area regarding infrastructure maintenance as compared to train traffic operations.

    The aim of this paper is to give a comprehensive overview of the railway infrastructure maintenance field, the planning problems it contains and the research that has been conducted so far. We present (i) a catalogue of planning problems, based on a series of interviews with experts and planners representing all major stake holders in Sweden and (ii) an extensive literature overview covering more than 60 research references published until 2014 regarding the use of mathematical methods and optimization for solving such planning problems. From this we extract some statistics and a mapping which identify the major lines of work as well as future research possibilities.

    sted, utgiver, år, opplag, sider
    Elsevier, 2015
    Serie
    Transportation Research Procedia, ISSN 2352-1465 ; 10
    Emneord
    Maintenance planning, Operations research, Railway infrastructure
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-121597 (URN)10.1016/j.trpro.2015.09.011 (DOI)000380503900059 ()
    Konferanse
    18th Euro Working Group on Transportation, EWGT 2015, Delft, The Netherlands, 14-16 July 2015
    Prosjekter
    Efficient planning of railway infrastructure maintenance
    Tilgjengelig fra: 2015-09-28 Laget: 2015-09-28 Sist oppdatert: 2016-09-05bibliografisk kontrollert
    2. Dimensioning windows for railway infrastructure maintenance: Cost efficiency versus traffic impact
    Åpne denne publikasjonen i ny fane eller vindu >>Dimensioning windows for railway infrastructure maintenance: Cost efficiency versus traffic impact
    2016 (engelsk)Inngår i: Journal of Rail Transport Planning & Management, ISSN 2210-9706, E-ISSN 2210-9714, Vol. 6, nr 1, s. 32-47Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    The Swedish Transport Administration is introducing a new regime, called maintenance windows, for allocating train free slots reserved for maintenance tasks on the railway infrastructure. In this paper, a model for the assessment and the dimensioning of such maintenance windows is presented, which considers marginal effects on both the maintenance cost and the expected train traffic demand. The aim is to establish quantitative measures that can be used for comparing conflicting capacity requests from infrastructure maintenance and traffic operations on railway networks. The model is demonstrated in a cost benefit analysis for a real life case study on the Swedish Northern Main Line.

    sted, utgiver, år, opplag, sider
    Elsevier, 2016
    Emneord
    Maintenance planning; Cost benefit analysis; Railway infrastructure
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-126777 (URN)10.1016/j.jrtpm.2016.03.002 (DOI)
    Prosjekter
    Efficient planning of railway infrastructure maintenance
    Forskningsfinansiär
    Swedish Transport Administration, TRV 2013/55886
    Tilgjengelig fra: 2016-04-05 Laget: 2016-04-05 Sist oppdatert: 2018-11-05bibliografisk kontrollert
    3. An optimization model for integrated planning of railway traffic and network maintenance
    Åpne denne publikasjonen i ny fane eller vindu >>An optimization model for integrated planning of railway traffic and network maintenance
    2017 (engelsk)Inngår i: Transportation Research Part C: Emerging Technologies, ISSN 0968-090X, E-ISSN 1879-2359, Vol. 74, s. 327-347Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    Abstract Railway transportation systems are important for society and have many challenging and important planning problems. Train services as well as maintenance of a railway network need to be scheduled efficiently, but have mostly been treated as two separate planning problems. Since these activities are mutually exclusive they must be coordinated and should ideally be planned together. In this paper we present a mixed integer programming model for solving an integrated railway traffic and network maintenance problem. The aim is to find a long term tactical plan that optimally schedules train free windows sufficient for a given volume of regular maintenance together with the wanted train traffic. A spatial and temporal aggregation is used for controlling the available network capacity. The properties of the proposed model are analyzed and computational experiments on various synthetic problem instances are reported. Model extensions and possible modifications are discussed as well as future research directions.

    sted, utgiver, år, opplag, sider
    Elsevier, 2017
    Emneord
    Railway scheduling, Maintenance planning, Optimization
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-132961 (URN)10.1016/j.trc.2016.11.016 (DOI)000392038500020 ()
    Merknad

    Funding agencies: Swedish Transport Administration [TRV 2013/55886]

    Tilgjengelig fra: 2016-12-06 Laget: 2016-12-06 Sist oppdatert: 2018-11-05bibliografisk kontrollert
  • 253.
    Liljengren, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell träteknik. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Adaptive sawing: - Yield of a concept in reality2009Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
    Abstract [en]

    Glue board is the base for much solid wood furniture produced by the IKEA-owned companySwedwood. Glue board is glued together from lamellas which can be produced in different waysbut in all cases is produced from boards coming from a saw-mill. In a saw-mill there aredifferent techniques for producing boards from logs. This thesis is about the Adaptive sawingconcept and its implementation at the Swedwood site in Kostomuksha. The idea with the conceptis to raise the output from the raw material, the yield. This is partly achieved by edging away islittle as possible from the boards in the saw-mill. The boards in the saw-mill are sawn in a waynot unlike through-sawing. When brought to the glue-board factory they are scanned in order tooptimise how to rip out as much lamellas as possible. The ripped lamellas are then cross-cut intodifferent sizes which later are glued to glue board. The objective of this thesis is to examine theyield from log to glue board for the log classes 135-148 mm and 110-120 mm, to try to improveit and to identify problem factors.In order to achieve that it was necessary to be sure of the volume figures at all stages. Theincoming volume was given by the scanner at the log sorting; effort was therefore put down tomake sure the figures could be trusted. For the smaller log class the logs were instead measuredby hand and the volume was calculated. The logs were then sawn in the saw-mill. This was donewith a low production speed and some problems were noted compared with when sawing with astandard technique. The absence of edging was the main reason for these problems. The saw-millline was deemed inappropriate for sawing the smallest log class but could handle the 135 -148mm class and the yield for that class was in line with what could be expected.In the lamella production line some minor problems were noted and the boards from the fourdifferent batches from the 135 – 148 mm log class got different yields mainly due to differencesin wood quality. The yield from log to glue board for these four batches varied from 17.6 % to21.5 % with an average at 19.3 %. The yield was lower than what was achieved for earlieradaptive sawing test batches on other places. Those tests were however done on other diameterclasses and with material that was slightly different than the one in Kostomuksha. Simulationswere done to check how much the yield could be raised if other lamella widths than just thestandard 46 mm lamella width was used. A raise to an average of 20.9 % could then be expectedwhen using the lamella widths 46, 55 and 60 mm.A similar simulation was done for the adaptive material that was produced from the 110 – 120mm log class. The total yield for that material rose from 19.4 % to 22.4 % when using morelamella widths. Lamellas from this material were tested as there was fear, that they would notmeet the standards for glue board production. This did however not prove to be the case. To usethe lamella production for producing such material is however not ideal, since a very smallvolume is produced.

  • 254.
    Liljengren, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell träteknik. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Adaptive sawing: Yield of a concept in reality2009Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
    Abstract [en]

    Glue board is the base for much solid wood furniture produced by the IKEA-owned company Swedwood. Glue board is glued together from lamellas which can be produced in different waysbut in all cases is produced from boards coming from a saw-mill. In a saw-mill there aredifferent techniques for producing boards from logs. This thesis is about the Adaptive sawingconcept and its implementation at the Swedwood site in Kostomuksha. The idea with the conceptis to raise the output from the raw material, the yield. This is partly achieved by edging away islittle as possible from the boards in the saw-mill. The boards in the saw-mill are sawn in a waynot unlike through-sawing. When brought to the glue-board factory they are scanned in order tooptimise how to rip out as much lamellas as possible. The ripped lamellas are then cross-cut intodifferent sizes which later are glued to glue board. The objective of this thesis is to examine theyield from log to glue board for the log classes 135-148 mm and 110-120 mm, to try to improveit and to identify problem factors.

    In order to achieve that it was necessary to be sure of the volume figures at all stages. Theincoming volume was given by the scanner at the log sorting; effort was therefore put down tomake sure the figures could be trusted. For the smaller log class the logs were instead measuredby hand and the volume was calculated. The logs were then sawn in the saw-mill. This was donewith a low production speed and some problems were noted compared with when sawing with astandard technique. The absence of edging was the main reason for these problems. The saw-millline was deemed inappropriate for sawing the smallest log class but could handle the 135 -148mm class and the yield for that class was in line with what could be expected.

    In the lamella production line some minor problems were noted and the boards from the fourdifferent batches from the 135 – 148 mm log class got different yields mainly due to differencesin wood quality. The yield from log to glue board for these four batches varied from 17.6 % to21.5 % with an average at 19.3 %. The yield was lower than what was achieved for earlieradaptive sawing test batches on other places. Those tests were however done on other diameterclasses and with material that was slightly different than the one in Kostomuksha. Simulationswere done to check how much the yield could be raised if other lamella widths than just thestandard 46 mm lamella width was used. A raise to an average of 20.9 % could then be expectedwhen using the lamella widths 46, 55 and 60 mm.

    A similar simulation was done for the adaptive material that was produced from the 110 – 120mm log class. The total yield for that material rose from 19.4 % to 22.4 % when using morelamella widths. Lamellas from this material were tested as there was fear, that they would notmeet the standards for glue board production. This did however not prove to be the case. To use the lamella production for producing such material is however not ideal, since a very smallvolume is produced.

  • 255.
    Lind, Sebastian
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Olsson, David
    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.
    Exploring inter-organizational relationships within the remanufacturing of automotive components2011Inngår i: Proceedings of 1st International Conference on Remanufacturing: July 26-29, Glasgow, UK., 2011, s. 95-103Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Being a remanufacturer of automotive components may be problematic due toproblems with a steady flow of cores. The flow could be secured by making agreementswith core suppliers, which could be an OEM, a core broker or another actor on themarket. The remanufacturer can also choose to collect the cores without closercollaboration. One crucial aspect in choosing how to collect the cores is that it has to belucrative.The aim of this paper is to explore how remanufacturers manage their interorganizationalrelationships in the closed-loop supply chain. A case study was conductedwithin the European research project CAN-Reman, and empirical data was collected fromsix participating companies within the project, all European remanufacturers ofautomotive components. These companies were investigated, and their relationships,defined in earlier research with core suppliers, were evaluated.A key finding of the research is that the most problematic parameter withinrelationships is to receive the ordered quantity of cores from the supplier. This parameteris continually ranked as one of the most important, and the participating companies alsoclaim that they have problems with it. A successful relationship and take-back system thathas been pointed out by one of the companies is to never be the owner of the actual cores,and only perform the remanufacturing activity for an OEM.

  • 256.
    Lindahl, Daniel
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Stodell, Henric
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    A Human Factors Analysis of Optical Distortion in Automotive Glazing2007Independent thesis Advanced level (degree of Master (One Year)), 20 poäng / 30 hpOppgave
    Abstract [en]

    The glazing is today a part of the car design. The customer is more or less taking for granted that his or her view from inside the car is a direct mirror of the outside world. With more complex shapes, lower installation angles and thinner glass it is a great challenge to produce even better quality at a lower price. While the windscreen is regulated by law, the lack of well specified requirements for the optics in the backlight (rear window), together with the absence of direct customer complaints, is causing the optical quality of the backlight to decrease. The requirements and measuring methods used today are described in technical terms and do not correspond to the human perception of optical distortion.

    This report is a first step towards new technical requirements, for the optics of backlights, based on the driver’s perception of optical distortion. The knowledge of how optical transmission distortion occurs, how it should be measured and how it affects the driver, is essential in order to control it.

    Several databases were searched and contacts with experts were established, in order to gain knowledge. The connection between the technical requirements and the human perception of optical distortion in backlights was investigated by using psychophysical methods. A within factorial design was employed with two independent variables; viewing distance from backlight to tailing object and fixation time (viewing time). The result showed a significant difference in perception of optical distortion between 25 and 75 metres. Moreover, optical distortion is, according to the test, more disturbing during free fixation time than for fixation times of about one second.

    The requirements often used for backlights today (12 ± 5 millimetres) allow distortions that 68 percent of the test subjects perceived as disturbing. In order to please the test driver from Volvo the requirements need to be as high as 12 ± 2 millimetres, which correspond to the 96th percentile. Furthermore, the result confirms that dynamic measurements are needed to find a connection to human perception of optical distortion. The principles of a new measuring method that measures the deformation and the dynamic distortion were developed to show the possibilities of measuring what the driver perceives.

    Even if a good measuring method can help controlling the produced glazing it is not enough to optimize the quality of the production. More important is the choice of thickness and curvature of the glass, the installation angle and the manufacturing method. It is important to set about the origin of the problem and develop a good routine of how to work with optical distortions. Optical distortions in backlights, similar to the tested backlight, have a low probability to disturb the driver in such extent that it has an effect on the driving. Nevertheless, it is a source of irritation and discomfort, which do not belong in a premium car.

  • 257.
    Lindahl, Mattias
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Sakao, Tomohiko
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Rönnbäck, Anna
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell marknadsföring och industriell ekonomi. Linköpings universitet, Tekniska högskolan.
    Business Implications of Integrated Product Service Offerings and Resulting Potential Engineering Issues2009Inngår i: ICED 09 - The 17th International Conference on Engineering Design, vol 4:: Product and Systems Design / [ed] Norell Bergendahl, M.; Grimheden, M.; Leifer, L.; Skogstad, P.; Lindemann, U., The Design Society, 2009, s. 71-82Konferansepaper (Fagfellevurdert)
    Abstract [en]

    In recent years there has been a shift in mechanical industry from a focus on physical products to product-service systems (PSS). The objective of this paper is to map out engineering implications and challenges based on five empirical examples of integrated product-service offerings (IPSOs). The paper is mainly based on case studies at Swedish manufacturing companies of different sizes. The following IPSOs were studied: (1) Lighting Function, (2) Core Plugs, (3) Material Handling, (4) Plate compacting, and (5) Thrust. These examples show that the orientation towards IPSOs implies several important strategic implications for a provider. Based on the examples, a discussion is presented concerning existing and potential engineering issues related to engineering requirements, development process and risks and opportunities with IPSOs.

  • 258.
    Lindblad, Emanuel
    et al.
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Pedagogik och sociologi.
    Hultgren, Josefin
    Linköpings universitet, Institutionen för beteendevetenskap och lärande, Pedagogik och sociologi.
    Arbetsmiljö i praktiken: – En kvantitativ studie om arbetsmiljö och personalomsättning inom Espresso House2016Independent thesis Basic level (degree of Bachelor), 10 poäng / 15 hpOppgave
    Abstract [en]

    Syftet med studien är att studera den organisatoriska och sociala arbetsmiljön i utvalt distrikt inom Espresso House samt undersöka relationen mellan personalomsättning och arbetsmiljö. Studien har en kvantitativ ansats och har använt en enkätundersökning som datainsamlingsmetod.

    Resultatet visar att stöd och uppskattning från närmsta chef samt upplevelsen av att närmsta chef leder arbetet på ett tydligt sätt, är viktiga faktorer för hur baristorna uppfattar frågor gällande personalomsättning. Gällande den organisatoriska arbetsmiljön visar resultatet att de flesta baristorna är nöjda med ledning och styrning från sin närmsta chef. Resultatet visar på hög grad av delaktighet men mindre grad av handlingsutrymme. Den sociala arbetsmiljön på arbetsplatsen präglas av ett tämligen starkt positivt resultat där arbetskamraterna är viktiga för trivseln på arbetet.

    Sammanfattningsvis visar resultatet att mer inflytande över arbetstider samt mer resurser gällande personalomsättningsfrågor såsom mer tid till inskolning och satsning på mentorskap skulle kunna öka medarbetarnas benägenhet att stanna kvar inom företaget.

  • 259.
    Lindbäck, Jan Erik
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan. Saab Aerostructures, Linköping, Sweden.
    Björnsson, Andreas
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan. Compraser, Linköping, Sweden.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan.
    New Automated Composite Manufacturing Process:: Is it possible to find a cost effective manufacturing method with the use of robotic equipment?2012Inngår i: Proceedings of the 5th International Swedish Production Symposium / [ed] Mats Björkman, 2012, s. 523-531Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The use of carbon composites has continuously increased in the commercial aircraft industry due to more challenging weight targets which is one way to handle the environmental requirements to lower the CO2 emissions. One aircraft structure component made at Saab Aerostructures is long and slender U-sections manufactured in carbon composites. The manufacturing is performed by manual layup of composite material. These U-sections are selected as an illustrative case in order to discuss possibilities for an automated manufacturing process with the aim to reduce cost. A literature review of different existing technologies have been performed and compared with the industrial front at Saab Aerostructures. Automated Tape Laying (ATL) and Automated Fibre Placement (AFP) are the two dominating automation methods, of today, for aircraft prepreg manufacturing. Both methods are heavy investments for small to medium size composite manufacturers. Analysis in the case has shown that the selected component cannot be automated with these two methods due to design constrains. The paper suggests that another automated method with a cutting machine in combination with an industrial robot with a vacuum gripper, is selected for further work. The proposed pick and place process is also assumed to reduce the material waste.

  • 260.
    Lindgren, Ida
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell arbetsvetenskap.
    Towards the mitigation of cultural barriers to communication and cooperation2007Licentiatavhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    This thesis combines theories from cross-cultural psychology with literature on group faultlines to understand cultural barriers to communication and cooperation experienced in multinational emergency management teams. The aim is to investigate whether the faultline concept is a viable theoretical vocabulary for addressing cultural differences in communication and cooperation (in the domain of emergency management). Culture is defined as a relatively organized system of shared meanings which influences people’s cognition, values, behaviors, and so on. Group faultlines are hypothetical dividing lines that may split a team into homogeneous subgroups based on demographic characteristics. Three papers are included in the thesis, all of which investigate various aspects of group behavior in relation to emergency management. Results suggest that faultlines can be formed not only by demographic characteristics, but also by culturally-driven behavior. The results presented in the papers and in this thesis are meant to supply emergency management personnel with general knowledge of cultural differences and ideas for future ‘cultural awareness’ training. The thesis contributes to the scientific community by taking cross-cultural research into the applied domain so that its findings can be made relevant to people in multinational organizations.

    Delarbeid
    1. A case study of information and communication technology in emergency management training
    Åpne denne publikasjonen i ny fane eller vindu >>A case study of information and communication technology in emergency management training
    2006 (engelsk)Inngår i: International Journal of Emergency Management, ISSN 1471-4825, E-ISSN 1741-5071, Vol. 3, nr 4, s. 332-347Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    This paper addresses the roles of Information and Communication Technology (ICT) in training for effective emergency management and inter-organisational coordination. Collocation can encourage the development of common ground and trust and, in turn, result in greater efficiency and effectiveness. We expect to find communication and artefact use during collocated training that cannot readily transfer to the ICT used to link distributed work settings. This expectation makes the reliance on ICT and distributed work during emergency management operations suspect. To test these claims, we observed a large-scale, real-time exercise designed to facilitate cooperation among electricity and telecommunications companies. The exercise scenario was similar to the January 2005 windstorm that left much of southern Sweden without electricity or telephone service and revealed the need for better cooperation among utility providers. The observations suggest that while collocation is clearly beneficial, a mismatch in ICT use between collocated training and distributed emergency management operations is likely to be detrimental for preparedness.

    Emneord
    emergency management; training; artefact use; collocated work; distributed work; real-time exercise; inter-organisational coordination; cooperation; information technology; communications; ICT; Sweden; electricity companies; telecommunications companies
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-12838 (URN)10.1504/IJEM.2006.011300 (DOI)
    Tilgjengelig fra: 2007-12-19 Laget: 2007-12-19 Sist oppdatert: 2017-12-14
    2. Using Microworlds to Understand Cultural Influences on Distributed Collaborative Decision Making in C2 Settings
    Åpne denne publikasjonen i ny fane eller vindu >>Using Microworlds to Understand Cultural Influences on Distributed Collaborative Decision Making in C2 Settings
    2006 (engelsk)Inngår i: Proceedings from the 11th International Command and Control Research and Technology Symposium , Cambridge, UK, 26-28 September, 2006Konferansepaper, Publicerat paper (Fagfellevurdert)
    Abstract [en]

    As a means to facilitate coordination of international relief teams during sudden onset disasters, the UN has formed a structure called the On Site Operations Coordination Center (OSOCC). The main objective of the OSOCC is to coordinate international relief teams and help local authorities re-establish control in the affected area. As with any operation where people from different parts of the world are involved, multiculturalism can become an issue. Differences in values, norms and attitudes can create problems in communication, planning and execution of the operation. We use the C3Fire microworld and the Schwartz Value Survey as our main instruments to study cultural influences in command and control decision making in simulated OSOCC. The C3Fire microworld has been used extensively in research on networked-based command and control. Augmented with observation of a real OSOCC exercise, the experimental studies provide the basis for formulating clusters of behavioral differences in command and control that one can expect to encounter during an international operation. Results show that culturally-driven differences in planning and leadership style can pose potential barriers to efficient decision making in multicultural command-and-control centers.

    Emneord
    C2 Experimentation, Social Domain Issues, Cognitive Domain Issues
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-12839 (URN)
    Tilgjengelig fra: 2007-12-19 Laget: 2007-12-19 Sist oppdatert: 2014-12-19
    3. Identifying Cross-Cultural Group Faultlines
    Åpne denne publikasjonen i ny fane eller vindu >>Identifying Cross-Cultural Group Faultlines
    Manuskript (Annet vitenskapelig)
    Identifikatorer
    urn:nbn:se:liu:diva-12840 (URN)
    Tilgjengelig fra: 2007-12-19 Laget: 2007-12-19 Sist oppdatert: 2010-01-13
  • 261.
    Lindholm, Anna
    et al.
    Lund University, Sweden.
    Quttineh, Nils-Hassan
    Linköpings universitet, Matematiska institutionen, Optimeringslära. Linköpings universitet, Tekniska högskolan.
    Lidestam, Helene
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsekonomi. Linköpings universitet, Tekniska högskolan.
    Hierarchical Production Scheduling: A Case Study at Perstorp2014Inngår i: 24th European Symposium on Computer Aided Process Engineering / [ed] Jiří Jaromír Klemeš, Petar Sabev Varbanov and Peng Yen Liew, Elsevier, 2014, s. 511-516Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Planning and scheduling are functions that have large economic impact in the chemical process industry. For integrated sites with many interconnected production areas, obtaining production schedules that respect all production-related constraints is a complex task. One important issue is the constraints due to disturbances in utilities, such as steam and cooling water. These are often site-wide disturbances that may make it impossible to maintain desired production rates in several production areas at a site. In this study, scheduling at two levels of the functional hierarchy at a site of a world lead chemical industry, Perstorp, is handled. The activities are denoted production scheduling (PS) and detailed production scheduling (DPS). Real data of incoming orders and utility disturbances are used to produce a production schedule and detailed production schedule for one month. The PS and DPS problems are formulated as optimization problems, where production-related constraints such as production rate constraints, inventory limitations, and start-up costs are included. The objective functions of the PS and DPS problems are formulated to reflect the importance of different issues at the site. The procedure aims to show how the hierarchical optimization framework may be used to provide decision support for how to operate the production at a site in order to maximize profit while minimizing the effects of site-wide disturbances.

  • 262.
    Lindholm, Jim
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Maskinkonstruktion. Linköpings universitet, Tekniska fakulteten.
    Johansen, Kerstin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Maskinkonstruktion. Linköpings universitet, Tekniska fakulteten.
    Is Design Automation a Feasible Tool for Improving Efficiency in Production Planning and Manufacturing Processes?2018Inngår i: Proceedings of the 8th Swedish Production Symposium (SPS 2018), Elsevier, 2018, Vol. 25, s. 8s. 194-201Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The production planning is a repetitive process that demands engineering hours and expertise. Many parameters must be considered, and inefficiencies lead to increased lead times. The hypothesis is that valuable time within the manufacturing stages can be saved through improved engineering tools. This article will explore to possibilities to increase the utilization of digital tools to support the engineers in their production planning activities, and to improve the efficiency of manufacturing processes. Through study visits and interviews at a product owning company with manufacturing in-house, proposals for areas that could be improved with design automation will be presented.

  • 263.
    Lindkvist Haziri, Louise
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Sakao, Tomohiko
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten.
    Feedback from Remanufacturing: Its Unexploited Potential to Improve Future Product Design2019Inngår i: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 11, nr 15, s. 1artikkel-id 4037Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Company interest and research in the circular economy and remanufacturing have increased as a means of reducing negative environmental impacts. Remanufacturing is an industrial process whereby used products are returned to a state of like-new. However, few products are designed for remanufacturing, and further research and industrial efforts are needed to facilitate more widespread use of design for remanufacturing. One crucial factor facilitating design for remanufacturing is the integration of feedback in the product design process. Thus, the objective of this paper is to analyse feedback flows from remanufacturing to product design. Hence, a literature study and multiple case studies were conducted at three companies that design, manufacture and remanufacture different kinds of products. The cross-case analysis revealed the five barriers of the lack of internal awareness, lack of knowledge, lack of incentives, lack of feedback channels and non-supportive organisational structures, and the five enablers of business opportunities, integrated design processes, customers’ demand, laws, regulations and standards, and new technologies. To establish improved feedback from remanufacturing to product design, the barriers need to be addressed and the enablers explored. Thus, improved feedback from remanufacturing to product design will improve the design of future products suited for a more circular economy.

  • 264.
    Lindkvist, Louise
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Alonso Movilla, Natalia
    University of Grenoble, Saint-Martin-d'Hères, France.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Zwolinski, Peggy
    University of Grenoble, Saint-Martin-d'Hères, France.
    Investigating types of information from WEEE take-back systems in order to promote Design for Recovery2016Inngår i: Sustainability through innovation in product life cycle design / [ed] Matsumoto, M., Masui, K., Fukushige, S., Kondoh, S, Springer, 2016Konferansepaper (Fagfellevurdert)
    Abstract [en]

    WEEE (Waste Electrical and Electronic Equipment) recovery facilities have been set up for the last decade to promote a circular economy. Their activities focus on the reuse, remanufacturing and/or recycling of products. Currently, little information reaches designers regarding the requirements that these facilities have on product design. Therefore, most products are not designed to be properly recovered. The aim of this paper is to explore the nature of product life-cycle information from recovery organisations that could be shared in order to improve resource efficiency. The focus is on how information exchange can benefit the end-of-life phase of forthcoming designed products. Two levels of information have been identified, macroscopic and microscopic. Our study is illustrated with a detailed analysis of the French WEEE compliance scheme and an in-depth analysis of an IT remanufacturing facility in Sweden.  Based on the cases studies we have identified current and potential information flows between different stakeholders that could benefit design for recovery.

  • 265.
    Lindkvist, Louise
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Assessing barriers for available life-cycle information feedback transfer to product design2015Inngår i: ICoR- 2nd International Conference on Remanufacturing, 2015Konferansepaper (Fagfellevurdert)
    Abstract [en]

    The design of products greatly influences the performance of the product in the rest of the product’s life-cycle phases, e.g. manufacturing, use/maintenance and end-of-life processes. In order to design more sustainable products, information from all life-cycle phases should be implemented in structured ways via e.g. eco-design tools in the design process. Remanufacturing is one viable end-of-life strategy that is environmentally beneficial as it will preserve most of the material and energy put into the initial product and/or its components. Although the product design determines a large portion of the remanufacturability of a product, few companies apply design for remanufacturing on their products.The aim of this paper is to show what type of feedback is available at remanufacturers, and to explore the barriers that prevent that feedback from reaching product development. Using the case study methodology, data have been collected through semi-structured interviews with four remanufacturing companies focusing on the information exchange between the departments of remanufacturing and product development.The case study results show that there is feedback from the remanufacturers concerning a wide variety of design aspects. Furthermore, the remanufacturers have feedback about information they lack from design and the use phase including service. At present, however, there is no feedback provided from remanufacturing to design in the cases studied. Thus, the barriers for providing available life-cycle information feedback are assessed. There are both internal and external barriers. Between design and remanufacturing the barriers include e.g. lack of knowledge and organisational aspects. Further influencing the lack of feedback are managerial aspects such as the business case and specifications lacking remanufacturing aspects and thus not supporting design for remanufacturing. However, design changes such as different joining methods, a higher degree of standardization and different material selections could be very beneficial for remanufacturing and thus the environment.

  • 266.
    Lindkvist, Louise
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska fakulteten.
    The role of Product-Service Systems regarding information feedback transfer in the product life-cycle including remanufacturing2016Inngår i: PRODUCT-SERVICE SYSTEMS ACROSS LIFE CYCLE, ELSEVIER SCIENCE BV , 2016, Vol. 47, s. 311-316Konferansepaper (Fagfellevurdert)
    Abstract [en]

    With a Product-Service System (PSS), the producer often has control of its products during multiple life-cycles, and thus there are more incentives for design for service and remanufacturing in comparison to traditional sales. The aim of this paper is to explore the role of PSS regarding information feedback transfer in the product life-cycle including remanufacturing. The paper explores two industrial cases where PSS does not yet act as a facilitator for transferring information feedback from remanufacturing to product designers. However, the full potential of PSS is not yet utilized at the companies, and their products are neither designed for PSS nor remanufacturing. (C) 2016 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license.

  • 267.
    Lindkvist, Louise
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan.
    The Use of Product Life-Cycle Information in a Value Chain including Remanufacturing2013Inngår i: Re-engineering Manufacturing for Sustainability: Proceedings of the 20th CIRP International Conference on Life Cycle Engineering, Singapore 17-19 April, 2013 / [ed] Andrew Y.C. Nee, Bin Song, and Soh-Khim Ong, Singapore: Springer, 2013, s. 621-626Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Product life-cycle information is used to improve a product’s performance over its life-cycle. The objective of this paper is to describe how information from the product life-cycle phases of design, manufacturing, use, service and end-of-life are used and handled in a value chain comprised of an international original equipment manufacturer with its suppliers and contracted remanufacturers. A case study of a value chain was conducted. The paper concludes that the information flows within the value chain studied are well-functioning; however the organizational structure seems to be a hindrance for full information exchange within the value chain.

  • 268.
    Lindkvist, Louise
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan.
    Sundin, Erik
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell Produktion. Linköpings universitet, Tekniska högskolan.
    Sakao, Tomohiko
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Exploring the Use of Product Life-Cycle Information in Two Value Chains Including Remanufacturing2013Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Not many products are designed for remanufacturing. One of the reasons may be that the information flows to and from remanufacturers are not in level with the other information flows in the product life-cycle. In this paper, the information flows within two value chains including remanufacturing and PSS are investigated. The case studies show that the remanufacturing part of the value chain is not strongly included in the information flows in the product life-cycle. This means that valuable feedback about the product design and condition at end-of-life is neglected. Further, information feed forward, which could potentially make the remanufacturing process more efficient, is not satisfactorily implemented.

  • 269.
    Lindqvist, Jonas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsekonomi. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Lund, Linus
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsekonomi. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Emission allowance origination and trading: How does it affect ABB and its Group Treasury Operations?2009Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
    Abstract [en]

    The purpose of the thesis is to determine how ABB’s treasury department (GTO) should respond to an increasing awareness and interest in the carbon credit markets. Emission caps have been introduced on national levels and also for certain industries in Europe as a consequence of the Kyoto Protocol. This allows for trading of certain carbon credits as well as for the creation of new credits. ABB is a company which has many solutions for efficient energy use; solutions that aim to reduce electricity cost and in the prolongation also emissions. The awareness of the carbon market is growing within ABB, but no carbon credit generating projects have been completed and the initiatives are scattered. The thesis describes the Kyoto Protocol and its implementation within EU, the markets available for trading by companies as well as what instruments and derivatives exist. With the underlying regulations described an empirical study of ABB’s involvement is conducted. The study shows that ABB has few installations with emissions caps and that the potential for generating new credits as a way to increase profit is quite big. However, there have been no carbon generating projects registered up to this point and there are many barriers to overcome before ABB receives any carbon credits.To ensure a thorough analysis, a model of factors affecting ABB’s carbon credit involvement is formed. The model is based on the available literature on the subjects organizational performance, transfer pricing, project- and financial risk and risk management.GTO’s immediate response should be to set up a pool to which subsidiaries with compliance requirements are to send their carbon credits. The pool will then redistribute the credits so that each subsidiary’s needs are fulfilled and finally settle the net remainder on the open market. A unit independent of GTO, called Group Carbon Operations (GCO) in the thesis, should be formed in the near future with responsibility to actively follow the progress of CDM pilot projects and to facilitate their implementation. Depending on the outcome of these pilot-projects ABB can then either, in case of a negative outcome, quickly end the direct CDM involvement and reach closure or, in case of a positive outcome, further develop the GCO department to profit from ABBs involvement in the CDM market. In case of a positive outcome, the GTO should be further involved regarding risk handling and internal pricing.

  • 270.
    Lindstrand, Mikael
    Linköpings universitet, Institutionen för teknik och naturvetenskap. Linköpings universitet, Tekniska högskolan.
    Gloss: measurement, characterization and visualization - in the light of visual evaluation2002Licentiatavhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Gloss is one essential characteristic of print quality but it is, as has long been known, a far more complex visual concept than the present methods of instrumental gloss evaluation are able to characterize.

    A measurement tool, aimed to characterize the visually most important gloss features, has been developed. The tool provides a "Reflection Vector Map" (RVM) which simultaneously contains spatially resolved information about directed reflectance and apparent inclination. The RVM is comprehensive gloss information that at the same time has an intuitive interpretation.

    A model to describe the perceived homogeneity of gloss has been developed. The gloss homogeneity index: "Gloss Angle Smoothness" (GAS), derived from the RVM is calculated by weighting perceptually "positive" and "negative" components of gloss homogeneity, aimed to be a predictor of how homogeneous the surface is perceived with respect to gloss. The gloss homogeneity was considered to be difficult to evaluate visually; experienced judges were in better agreement than inexperienced judges. The GAS correlated considerably better to the results of the panel of experienced judges, than did the results of a panel of inexperienced judges.

    A computer visualization environment that uses the RVM as input, yielding a virtual reality for gloss evaluation of surfaces, was developed. The environment is able by simulation to mediate multiple perceptually important aspects of gloss, under well-defined and accurate observation conditions. The feature of interactivity, facilitating inspection under a range of different illumination-surface-observer-setup conditions, further adds to the sensation of high fidelity and even "presence" during inspection. Thus the environment has a potential to act as a tool during visual assessment, e.g. pair-wise comparison. Results from visual evaluations of physical and simulated demanding surfaces correlated well, with less inter-judge variance for the visualization environment than for the physical surfaces. This provides an indication of the potential both of the measurement and of the visualization systems.

  • 271.
    Lindström, Veronica
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsekonomi. Linköpings universitet, Tekniska högskolan.
    Analysis of Research Methodologies of SPSs Full Papers from 2007 until 20112012Inngår i: Swedish Production Symposium, 2012 / [ed] Mats Björkman, 2012Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Swedish production area has previously been defined and is still in need for some clarification. This paper gives an overview and draws conclusions about trends of aspects like number of authors, type of research methodology used, and research topics presented in the former SPS:s conferences. The aim of the paper is to describe practical phenomena using data from the 254 papers and the methodology used is statistical sampling. The empirical results show that there are mainly two research methodologies that dominate during the years of the conference, namely experimental design and case study. Thus, the research approach empirical research dominates the conference.

  • 272.
    Lindström, Veronica
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsekonomi. Linköpings universitet, Tekniska fakulteten.
    Linkages between attributes of SME:s and manufacturing performance measures2018Inngår i: Preprints of 20th International Working Seminar on Production Economics / [ed] Grubbström, Hinterhuber and Lundquist, Linköping, 2018, Vol. 3, s. 285-296Konferansepaper (Fagfellevurdert)
    Abstract [en]

    In the strategic planning of manufacturing, companies should assess their competitive advantage with the means of performance measures (PMs) and achieve a consistency with the decision making. The literature on PMs shows that there are mainly two views of PM development. The first view is the PM diversity view which highlights the importance of using a wide set of PMs. The other view is PM alignment, which advocates the alignment between PMs and manufacturing strategy. Although the rich literature on PMs, research on PMs in Small- and Medium sized enterprises (SMEs) is limited but shows that the use of PMs in SMEs is typically financially focused, informal, and unstructured. The use of this approach in SMEs is likely to hinder the achievement of strategic objectives. This paper contributes to the research of PMs in manufacturing SMEs by analysing the relationships between the use of PMs and certain attributes of the SME. The used approach is multiple case study for exploring linkages between PM diversity and alignment with the manufacturing strategy and firm context. The data collection of each SME includes several strategic manufacturing attributes such as type of production system, manufacturing capabilities, and no. of PMs and specific measurements. The findings indicate a strong relationship between PM diversity and firm turnover, whereas the relationship seems weak between PM diversity and manufacturing capability. Furthermore, the relationship between PM alignment and competitive priorities indicate no alignment for SMEs, whereas the alignment between production system and competitive priorities seems to be stronger.

  • 273.
    Lindström, Veronica
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Produktionsekonomi. Linköpings universitet, Tekniska högskolan.
    Habib, Sinan
    Torstensson, Simon
    A modified work process for manufacturing strategy formulation: A case study of a small industrial company in Sweden2014Inngår i: Proceedings of the 6th International Swedish Production Symposium 2014, 2014Konferansepaper (Fagfellevurdert)
    Abstract [en]

    Manufacturing is a crucial part to organisational success in an industrial SME, and therefore manufacturing strategy formulation is of great importance for small businesses. Recent research suggests that there is a need to adapt frameworks and procedures for manufacturing strategy formulation to small- and medium sized companies. This study describes a modified work process, which was also tested for formulation of manufacturing strategy formulation in a small industrial company in Sweden.

  • 274.
    Lindwall, Carl
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell marknadsföring och industriell ekonomi.
    Larsson, Martin
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell marknadsföring och industriell ekonomi.
    Topics on Branding: Exploring the Brand Construct and its Linkages to Risk, Value and Trust in a Business-to-Business Context2010Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
    Abstract [en]

    In this thesis, the brand construct and its connections to risk, value and trust are explored in a Business-to-Business context.

    The different characteristics of B2B and B2C marketing is elaborated upon and coupled with brand management strategies viable in the respective markets.

    Contemporary academic theory on the explored constructs is discussed, and an attempt at conceptually visualizing their suggested linkages is presented.

    Based on the theoretical findings, a qualitative study is conducted by means of interviews with brand managers and marketing executives with the aim of establishing how Swedish industrial multinational companies employ brand strategies in their market communication, and to what extent the constructs explored are communicated as a part of their brand message.

    We find empirical evidence that risk, value and trust indeed are important in the brand communication of industrial companies. However, the relative importance of these constructs is found to be highly dependent on a multitude of both internal and external factors, such as the complexity of the offering, the degree of competition in the marketplace, and the amount of required customer interaction. Trust seems to be the construct most commonly incorporated in the branding activities, and value is not as actively stressed as conjectured.

    The corporate brand appears to be the most important in new tasks, where previous experiences of interaction with the seller is deemed more important in modified and straight re-buys.

    Similar to consumer marketing, the main merit of having a strong brand equity is the ability to charge price premiums, along with often making the short list of potential suppliers in the customers’ procurement processes. However, many industrial companies do not actively employ brand strategies and dedicated brand managers are not commonplace. Further, it cannot be decisively concluded that a strong brand focus is important for all industrial companies and in all markets. Again, external market characteristics, together with internal organizational conditions need to be taken into account.

  • 275.
    Lingegård, Sofia
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Lindahl, Mattias
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska högskolan.
    Integrated Product Service Offerings for rail infrastructure: benefits and challenges regarding knowledge transfer and cultural change in a Swedish case2015Inngår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 98, s. 166-174Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The aim of this paper is to investigate potential benefits and challenges regarding knowledge transfer and cultural change from the provider and buyer perspectives when using IPSOs for Swedish rail infrastructure. Considering material use and the importance of availability of the tracks makes rail infrastructure an interesting candidate for a business model based on a life-cycle approach, which can result in a reduction in cost and environmental impact.

    The concept of the Integrated Product Service Offering (IPSO) has in several business areas proven to be a means with potential to reduce the environmental impact of products and services, increase cost efficiency and quality, and act as a driver for change. The business model, which is based on a life-cycle approach, focuses on the function instead of the initial price of the product.

    Among the main findings are the lack of information and knowledge transfer that act as a barrier for innovation, and that the buyer's conservative business culture makes it difficult to implement new types of contracts. Since IPSO contracts require improved information transfer, they could potentially stimulate innovation as well as processes for evaluation of the contracts. By involving the contractors in the design phase their knowledge could be used in a better way, creating a feedback loop from practice to design.

    The empirical part, focusing on the rail infrastructure industry in Sweden, has been collected using individual interviews and a group interview approach.

  • 276.
    Lingegård, Sofia
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Sandström, Emma
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling.
    Dressed for Success: A study of Success Factors For Small and Medium-sized Manufacturing Enterprises in Sweden2008Independent thesis Advanced level (degree of Master (One Year)), 20 poäng / 30 hpOppgave
    Abstract [en]

    The business climate of today, with increasing globalization, has resulted in structural changes in the commercial and industrial sectors. As a result, many large companies have moved their production abroad. Therefore the smaller companies have become increasingly important for growth and employment nationally. Small businesses are a significant contributor to the well-being of nations and small and medium-sized enterprises (SMEs) play an important role for Sweden, both in terms of economic contribution and employment.

    Success has been discussed and investigated for a long period of time and the question is how it should be defined and measured. Many theories have been produced including different definitions and research methods. For this thesis, however, success is defined as the growth and financial performance of a firm measured in volume growth, relative change in net turnover, and value growth, relative change in equity. As a side condition, profit margins must be positive for a company to be classified as successful. This thesis hence aims to determine which factors influence the success of small and medium-sized enterprises in Sweden and how they influence the success of these enterprises.

    Eleven manufacturing SMEs, seven successful and four unsuccessful, were investigated and analyzed separately and then compared with one another in an attempt to determine which specific factors contributed to their respective performance. The four unsuccessful companies were included in the investigation for comparison to be able to identify the specific factors for successful companies. The analyses resulted in the following areas: Organization, Vision and Strategy, Characteristics of the CEO, Core Competences, Recruiting, Product Development and Innovations and Market. Among these factors Vision and Strategy, Core Competences and Customer Interaction were identified as the factors that have the greatest impact on success. Additionally, two clear relations between factors could be determined, i.e. between Clear vision and strategy and Defined culture as well as a relation between Flexibility and Customer Interaction.

    The conclusions are generalizable to all manufacturing SMEs in Sweden since the sample selection is representative for the target population. Furthermore, the success factors could be applied to companies abroad as well if the business climate and the conditions are similar. Whether the factors can be applied to firms that act within different SNI-codes (Swedish Standard Industrial Classification) besides manufacturing is yet to be proved.

    For further research we suggest a deeper investigation, where the information is obtained from more than one sources within the company. Also, the external networks of the company could be of interest to interview. Other aspects to investigate further would be potential differences between small and medium-sized firms and whether or not the results are applicable for other industries.

  • 277.
    Liu, Yang
    Department of Production, University of Vaasa, Vaasa, Finland.
    Sustainable competitive advantage in turbulent business environments2013Inngår i: International Journal of Production Research, ISSN 0020-7543, E-ISSN 1366-588X, Vol. 51, nr 10, s. 2821-2841Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The future competitiveness of manufacturing operations under dynamic and complex business environments relies on forward-thinking strategies. The objective of this paper is to identify and develop the operational competitiveness in a sustainable manner by implementing a unique sustainable competitive advantage (SCA) for managing dynamic business situations. This paper develops a theoretical approach to integrating the core factors which affect operational competitiveness performance, that is to say manufacturing strategy and transformational leadership with technology level, into conceptual analytical models to evaluate overall competitiveness, and utilises sense and respond (S&R) for dynamic decision-making to optimise resource allocations and adjust strategies in order to develop competitiveness potential in a sustainable manner. From the empirical research, the adjustments in manufacturing strategy and transformation leadership by implementing SCA through fast strategy with proposed models are found to be effective and successful in managing turbulent business environments such as the economic crisis. Such proactive operations are proposed as the unique SCA with empirical research carried out in a global context, which provides both theoretical significance and also practical benefit to conclude the experience of managing operations in turbulent business environments.

  • 278.
    Liu, Yang
    et al.
    Department of Production, University of Vaasa, Vaasa, Finland.
    Liang, Liting
    SC-Research, University of Vaasa, Vaasa, Finland.
    Evaluating and developing resource-based operations strategy for competitive advantage: an exploratory study of Finnish high-tech manufacturing industries2015Inngår i: International Journal of Production Research, ISSN 0020-7543, E-ISSN 1366-588X, Vol. 53, nr 4, s. 1019-1037Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Firms are struggling to achieve and maintain the competitive advantage in today’s turbulent business environment. How can we evaluate and (re)develop strategic initiatives that put into place operational capabilities to provide new sources of firm-level competitive advantage? This paper tries to explore the practical intersection of operations management and strategy from resource-based view by evaluating and developing the sustainability level of operational competitive advantage, that how well the resource-based strategy can support its operations. It develops a theoretical approach to integrate the core factors, which determine operational competitiveness performance – manufacturing strategy and its supporting resource allocation, into conceptual analytical models. The models utilise sense and respond (S&R) methodology for dynamic decision-making to detect and adjust resource allocation and in turn optimise the resource-based strategy in order to develop the operational competitive advantage in a sustainable manner. Eighteen case companies in Finnish high-tech manufacturing industries are selected for in-depth study and analysis with proposed models to conclude how the optimal adjustments of resource-based strategy by supporting its operations can lead to sustainable competitive advantage (SCA). Constantly optimising resource allocation aligning with resource-based operations strategy supported by the S&R idea of agile strategy implementations is proposed as the unique SCA.

  • 279.
    Lovén, Eva
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Kreativitet i resurseffektiv produktutveckling2012Inngår i: Lean och innovationsförmåga - hinder, möjligheter och kunskapsluckor / [ed] Vinnova, Stockholm: Vinnova , 2012, s. 68-75Konferansepaper (Annet vitenskapelig)
  • 280.
    Lovén, Eva
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Kreativitet, innovation och lean2013Inngår i: Lean i arbetslivet / [ed] Sederblad, Per, Stockholm: Liber, 2013, 1, s. 298-316Kapittel i bok, del av antologi (Annet vitenskapelig)
    Abstract [sv]

    Hur kan det komma sig att idéer från japansk bilindustri får en så stor spridning i Norden inom så vitt skilda verksamheter som sjukvård, administration och gruvindustri? Ett svar som ges i denna bok är att idéerna har anpassats till västerländska samhällen genom begreppet lean produktion som lanserades vid 1990-talets början. Efter millennieskiftet kom en ny våg av lean, med olika tolkningar av begreppet och med spridning till allt fler verksamheter

  • 281.
    Lovén, Eva
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Teamwork and conflicts in creative and innovative work: Working paper2013Konferansepaper (Annet vitenskapelig)
  • 282.
    Lovén, Eva
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Tight time - to be or not to be creative?2011Inngår i: Proceedings of the 6th European conference on Innovation and Entrepreneurship, vol 1 and 2 / [ed] Dr Heather Fulford, Centre for Entrepreneurship Aberdeen Business School Robert Gordon University Scotland, UK, Academic Conferences Limited, 2011, s. 593-598Konferansepaper (Fagfellevurdert)
    Abstract [en]

    This study examines the role of creativity in an efficient product development organisation. Specifically, this study examines how engineers cope with these demands of being simultaneously creative and efficient. The engineers described the demands in different ways; “extremely lean organization”, “not enough time for development”, and “pressed time schedule”. The answers the engineers provided also describe how difficult it was to be simultaneously creative and efficient. The engineers had either the intention to be or not to be creative when it came to efficient product development; that is, they either (1) confronted and opposed high demands or (2) adapted and worked more than they could handle or (3) avoided being creative and focused on efficiency.

    This study shows that the engineers themselves were forced to set the limit when unreasonable demands arose. The first group stressed the importance of resisting creative work when the demands of work were too high. The strategy was to discuss with the managers why it was impossible to be both creative and efficient. The second group adapted to the demand of being simultaneously creative and efficient, but often took more work than they could handle. The fear of saying “no” to a supervisor’s demands forced creativity forward, but this was a dangerous balancing act as this could result in demands beyond worker’s time constraints. For this group, this choice could be a health risk. The third group avoided being creative and concentrated only on being efficient when the pressure of both efficiency and creativity was perceived as being too much. This group often avoided presenting a “good” idea because then they would be responsible for implementing the new idea. This meant they chose a “secure solution” (even if the “solution” was incomplete) rather than taking a risk on a more innovative solution. The work organization needs to support the demand of being simultaneously creative and efficient.

  • 283.
    Lundberg, Jonas
    et al.
    Linköpings universitet, Institutionen för teknik och naturvetenskap, Medie- och Informationsteknik. Linköpings universitet, Tekniska fakulteten.
    Johansson, Björn
    Linköpings universitet, Institutionen för datavetenskap, Interaktiva och kognitiva system. Linköpings universitet, Filosofiska fakulteten.
    Resilience is not a silver bullet - Harnessing resilience as core values and resource contexts in a double adaptive process2019Inngår i: Reliability Engineering & System Safety, ISSN 0951-8320, E-ISSN 1879-0836, Vol. 188, s. 110-117Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper addresses one of the paradoxes of the resilience perspective: if we admit that we cannot foresee what kind of disturbance that we have to cope with, it will also be difficult to decide on what to invest in to improve resilience and safety. With this challenge in mind, three previously published case studies were re-analysed using the Systemic Resilience Model. The Systemic Resilience Model describes systems in terms of events, resilience functions, and strategies of stability or flexibility. It was observed that that the object of resilience shifts under pressure. Further, it was found that the notion of system goals in the Systemic Resilience Model should be replaced with the notion of core values, which can shift along a core value ladder. Our contribution is an increased understanding of the of what and against what of resilience. It was concluded that resilience is a double adaptive process - both as an entity coping with the unexpected or unplanned, and as a phenomenon that shifts along a ladder of core values during pressure regarding both fundamental objectives, functions, structure and system boundaries. This knowledge can be used to improve the implementation of resilience in socio-technical systems.

  • 284.
    Lundmark, Peter
    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.
    Björkman, Mats
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Monteringsteknik. Linköpings universitet, Tekniska högskolan.
    Industrial Challenges within the Remanufacturing System2009Inngår i: Proceedings of the 3rd Swedish Production Symposium, Stockholm, Sweden, 2009, s. 132-138Konferansepaper (Fagfellevurdert)
    Abstract [en]

    This paper is a literature review of challenges within the remanufacturing system. Thechallenges in the remanufacturing system has been categorised in a collection phase, aremanufacturing process phase and a redistribution phase which the challenges havebeen presented according to. The causes and effects of each challenge have beenexplored and are presented in this paper. The final result is a compilation figure with thechallenges for the whole remanufacturing system. In general uncertainties and complexitycan be seen as the main characteristics for the challenges within the remanufacturingsystem.

  • 285.
    Lögdal, Peter
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell marknadsföring och industriell ekonomi.
    Eklund, Joachim
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell marknadsföring och industriell ekonomi.
    Konsten att växa genom partners -: En kvantitativ och kvalitativ studie över Medius partnerhantering2011Independent thesis Advanced level (degree of Master (Two Years)), 30 poäng / 45 hpOppgave
    Abstract [sv]

    Medius är ett IT-företag med djup kompetens inom områdena verksamhetsutveckling och processoptimering med mål att erbjuda sina kunder världens bästa affärsstöd. Sedan Medius grundades 2001 har organisationen haft en kraftigt årlig tillväxt. Ett fokus på ökad omsättning och tillväxt är något som genomsyrar hela organisationen. Tillväxten ska uppnås genom ökad direkt- och partnerförsäljning. Ett stort fokus under en längre period på att skapa nya partners har lett till att antalet är mycket högt och att det saknas någon egentlig koll på hur många de är, vilken kategori de tillhör och hur väl de presterar.

    Medius kraftiga och snabba expansion samt deras fokus på ytterligare tillväxt har skapat resursbrister inom organisationen vilket påverkat partnerhanteringen stort. Det finns heller ingen uttalad partnerstrategi eller klara rollfördelningar inom organisationen. Detta har lett till att vissa partners inte känner att de kan prestera optimalt och till att partnerrelationer har blivit lidande.

    Baserat på denna problembeskrivning blev syftet med rapporten att undersöka hur Medius och liknande företag, eller organisationer i liknande situationer, bör hantera och utveckla sina partnerrelationer för att maximeras deras tillväxtpotential. Syftet besvarades genom att först och främst kartlägga de faktorer inom Medius partnerförsäljning som faktiskt påverkade tillväxtpotentialen. Därefter undersöktes hur väl fungerande dessa faktorer var i dagsläget och vilka åtgärder som skulle kunna förbättra dessa. Denna del av rapporten bygger på flertalet intervjuer, både internt på Medius och externt, tillsammans med en enkät som partnerförsäljare till Medius tog del av.

    Resultatet av undersökningen visade även att 78 % av Medius partners som helhet var nöjda med Medius partnerhantering.

    Resultatet av undersökningen visade även dock att Medius kan förbättra sin partnerhantering gällande utbildning och informationsmaterial, utvärdering och uppföljning, stöd och kontakt, styrning, intern konkurrens samt hur de erhåller marknadsinformation via partners.

  • 286.
    Madhusudan, Seegapalya Chikkagangaiah
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Kvalitetsteknik.
    A Literature study on Factors that enables Communication between R&D and Manufacturing2008Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
    Abstract [en]

    Communication, coordination and cooperation are critical for a successful organization. This master's thesis work presents a literature study of the factors that influence the interface between Research & development and manufacturing functions. Research & development and manufacturing functions rarely share information among each other and rarely combine their skills and knowledge to produce effective and efficient work within organization. This is due to lack of mutual understanding improper communication and coordination among members in the teams. In the late 1990's, competition, Information Technology proliferation, increasing customer demands for better products at shorter lead times emphasized increased need for effective product development. Each function has its specialization and is effective in their domain. Each department has roles and responsibilities to complete given tasks. But they neglect the organizational and management issues and lack the focus where they are a part of a bigger process (i.e. delivering value to customer and making the company successful at the end of the day). The main focus of the thesis is to give deeper knowledge on communication and coordination between Research and Development and manufacturing. This is achieved by review of the articles, analysis and finally synthesis of literature to develop constructs and analysis models. This will help to understand the factors and its interaction. The factors identified are individual responsibilities, artefacts and system or domain understanding, communication idea, control and role distribution, teams, accessibility and arena for personal meetings and finally overall leadership.

    Each factor has its own and unique contribution to success with in the organization. These factors are interrelated and dependent on one another. Artefacts understanding deals with some actions and steps has to be taken in order to executive the give tasks, individual role plays an important role in what sense he\she will contribute to the team as well as to the organization. Even active responsibilities must understand the system or domain and quickly adjust to the environment and get practice on it. Teams are essential tool in any organization, working together creates creative problem solving,  improves effective of communication, improves development skills and ability of an individual, mutual understanding and cooperation among group members all will constitute to the teams. Finally teams are the critical building blocks of an organization. The model developed needs further testing through empirical evidence to increase its validity.

  • 287.
    Magnusson Nählinder, Staffan
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Filosofiska fakulteten.
    Flight Simulator Training: Assessing the Potential2009Doktoravhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Mental workload is an important concept and has been proven to be a precursor to situation awareness and operative performance. This thesis describes methods to measure mental workload through self-ratings and psychophysiological measurements. Similarities and differences in psychophysiological reactions and rated mental workload between simulated and real flights are described. The consequences of such similarities and differences are discussed and its possible effect on training potential.

    A number of empirical studies are presented. They describe the experience and the psychophysiological reactions of pilots flying in a simulator and in real flight. In most cases, the reactions are similar – there is a high degree of accordance in rated mental workload and psychophysiological reaction between simulated and real flight. The studies show, that even though the responses are similar, there are also interesting differences. In one study, the pilots have consistently lower heart rate, higher heart rate variability and less eye movements in the simulator than in real flight. In another study, during certain events, the pilots have higher heart rate in the simulator than in real flight. The results are important in order to understand the training potential of simulators from a human factors perspective. Further, two measurement equipments for psychophysiological recording are compared and various psychophysiological measures are tested in applied settings.

    The thesis also discusses some methodological aspects, such as methods to create reliable and valid variables in dynamic applied research and how to deal with individual differences. An algorithm is suggested to remove differences between individuals. This facilitates the finding of within-participant effects.

    Finally, results from a study on embedded training tools are presented. In this study, student pilots and instructors rated the usefulness of several embedded training tools. These tools were built into a simulator to facilitate learning and teaching by illustrating concepts that can be difficult to understand. The results show clearly that such training tools are appreciated by both students and instructors. Well implemented, thoroughly selected training tools can dramatically improve the training potential of future training simulators.

    Delarbeid
    1. Similarities and differences in psychophysiological reactions between simulated and real air-to-ground missions
    Åpne denne publikasjonen i ny fane eller vindu >>Similarities and differences in psychophysiological reactions between simulated and real air-to-ground missions
    2002 (engelsk)Inngår i: The International journal of aviation psychology, ISSN 1050-8414, E-ISSN 1532-7108, Vol. 12, nr 1, s. 49-61Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    This study examines the similarities and differences in psychophysiological reactions in simulated and real flight. Five fighter pilots from the Swedish Air Force participated in the study, flying the same type of mission in a simulator and in real flight. Each pilot flew the same mission 3 times in the simulator and later 3 times in real flight. The pilots' heart rate, heart rate variability, and eye movements were continuously measured. Analyses of these data indicate that the pilots' psychophysiological reactions are very analogous in the simulator and in real flight.

    sted, utgiver, år, opplag, sider
    Taylor & Francis, 2002
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-17539 (URN)10.1207/S15327108IJAP1201_5 (DOI)
    Tilgjengelig fra: 2009-03-30 Laget: 2009-03-30 Sist oppdatert: 2017-12-13bibliografisk kontrollert
    2. Dynamic Assessment of Pilot Mental Status
    Åpne denne publikasjonen i ny fane eller vindu >>Dynamic Assessment of Pilot Mental Status
    2002 (engelsk)Inngår i: Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, Baltimore, MD, USA, 2002Konferansepaper, Publicerat paper (Annet vitenskapelig)
    Abstract [en]

    The purpose of the present study has been to measure mental workload, situational awareness and performance during specific air-to-ground missions in both simulated and real flight in order to assess operator status. Specifically to compare simulated versus real flight regarding the concepts, to analyze the relationships between physiological reactions, situational awareness, and experienced mental workload and also develop and test causal models of operator function. A second purpose of the study was to develop practically useful methods for analyzing mental workload and performance during operative conditions.

    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-17540 (URN)
    Tilgjengelig fra: 2009-03-30 Laget: 2009-03-30 Sist oppdatert: 2009-03-30bibliografisk kontrollert
    3. A Comparison of Two Recorders for Obtaining In-flight Heart Rate Data
    Åpne denne publikasjonen i ny fane eller vindu >>A Comparison of Two Recorders for Obtaining In-flight Heart Rate Data
    2006 (engelsk)Inngår i: Applied Psychophysiology and Biofeedback, ISSN 1090-0586, E-ISSN 1573-3270, Vol. 31, nr 3, s. 273-279Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    Measurement of mental workload has been widely used for evaluation of aircraft design, mission analysis and assessment of pilot performance during flight operations. Heart rate is the psychophysiological measure that has been most frequently used for this purpose. The risk of interference with flight safety and pilot performance, as well as the generally constrained access to flights, make it difficult for researchers to collect in-flight heart rate data. Thus, this study was carried out to investigate whether small, non-intrusive sports recorders can be used for in-flight data collection for research purposes. Data was collected from real and simulated flights with student pilots using the Polar Team System sports recorder and the Vitaport II, a clinical and research recording device. Comparison of the data shows that in-flight heart rate data from the smaller and less intrusive sports recorder have a correlation of.981 with that from the clinical recorder, thus indicating that the sports recorder is reliable and cost-effective for obtaining heart rate data for many research situations.

    sted, utgiver, år, opplag, sider
    Springer-Verlag New York, 2006
    Emneord
    descriptors, psychophysiology, heart rate, recording equipment, mental workload, aviation
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-17541 (URN)10.1007/s10484-006-9021-7 (DOI)
    Tilgjengelig fra: 2009-03-30 Laget: 2009-03-30 Sist oppdatert: 2017-12-13bibliografisk kontrollert
    4. Mental Workload in Aircraft and Simulator during Basic Civil Aviation Training
    Åpne denne publikasjonen i ny fane eller vindu >>Mental Workload in Aircraft and Simulator during Basic Civil Aviation Training
    2009 (engelsk)Inngår i: The International journal of aviation psychology, ISSN 1050-8414, E-ISSN 1532-7108, Vol. 19, nr 4, s. 309-325Artikkel i tidsskrift (Annet vitenskapelig) Published
    Abstract [en]

    This study investigated mental workload in basic civil aviation training. Heart rate, eye movement and subjective ratings from eleven students were collected during simulator and aircraft sessions. Results show high correspondence in psychophysiological reactions between the sessions. For some flight segments heart rate was consistently lower in the simulator, suggesting higher mental workload in the aircraft. Differences in heart rate during rejected take-off and engine failure indicate that the increase of workload starts in advance of an “unexpected“ event in the simulator and seem to be of preparatory nature, while more connected to management of the situation in the aircraft. Descriptors: psychophysiology, mental workload, aviation training, flight simulation, learning transfer

    sted, utgiver, år, opplag, sider
    Taylor & Francis, 2009
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-17542 (URN)10.1080/10508410903187547 (DOI)000273720100001 ()
    Tilgjengelig fra: 2009-03-30 Laget: 2009-03-30 Sist oppdatert: 2017-12-13bibliografisk kontrollert
    5. Recording of Psychophysiological Data during Aerobatic Training
    Åpne denne publikasjonen i ny fane eller vindu >>Recording of Psychophysiological Data during Aerobatic Training
    2011 (engelsk)Inngår i: The International journal of aviation psychology, ISSN 1050-8414, E-ISSN 1532-7108, Vol. 21, nr 2, s. 105-122Artikkel i tidsskrift (Fagfellevurdert) Published
    Abstract [en]

    Measuring pilot mental workload can be important for understanding cognitive demands during flight involving unusual movements and attitudes. Heart rate, eye movements, EEG and subjective ratings from seven flight instructors was collected for a flight including a repeated aerobatics sequence. Heart rate data and subjective ratings showed that aerobatic sequences produced the highest levels of mental workload and that heart rate can identify low-G flight segments with high mental workload. Blink rate and eye movement data did not support previous research regarding their relation to mental workload. EEG data was difficult to analyze due to muscle artifacts.

    sted, utgiver, år, opplag, sider
    Taylor & Francis, 2011
    Emneord
    Psychophysiology, recording techniques, mental workload, aviation training
    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-17543 (URN)10.1080/10508414.2011.556443 (DOI)000289250800001 ()
    Merknad

    Publication was in status "submitted" at the time for thesis submission.

    Tilgjengelig fra: 2009-03-30 Laget: 2009-03-30 Sist oppdatert: 2017-12-13bibliografisk kontrollert
    6. Increasing Training Efficiency Using Embedded Pedagogical Tools in a Combat Flight Simulator
    Åpne denne publikasjonen i ny fane eller vindu >>Increasing Training Efficiency Using Embedded Pedagogical Tools in a Combat Flight Simulator
    2005 (engelsk)Inngår i: Proceedings of the Human Factors and Ergonomics Society 49th Annual Metting, Orlando, FL, USA, 2005Konferansepaper, Publicerat paper (Annet vitenskapelig)
    Abstract [en]

    Many flight simulators today are made to provide a realistic environment for training. However, they often lack the possibility of providing pedagogical feedback to the person in training as well as feedback to any instructor leading the training. The purpose of this paper was to evaluate the usefulness of several pedagogical tools embedded in a flight simulator and to examine their potential for increasing training efficiency. Twenty students and instructors from the Swedish Air Force Flying Training School volunteered in this study. Seven embedded pedagogical tools were assessed using questionnaires. There was a quite consistent opinion in favor of the pedagogical tools implying that the embedded pedagogical tools is the way forward in training simulator development. The results from the present study are believed to be equally valid in many other areas besides flight simulators.

    HSV kategori
    Identifikatorer
    urn:nbn:se:liu:diva-17544 (URN)
    Tilgjengelig fra: 2009-03-30 Laget: 2009-03-30 Sist oppdatert: 2009-03-30bibliografisk kontrollert
  • 288.
    Magnusson Nählinder, Staffan
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Tekniska högskolan.
    Similarities and differences in psychophysiological reactions between simulated and real air-to-ground missions2002Inngår i: The International journal of aviation psychology, ISSN 1050-8414, E-ISSN 1532-7108, Vol. 12, nr 1, s. 49-61Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This study examines the similarities and differences in psychophysiological reactions in simulated and real flight. Five fighter pilots from the Swedish Air Force participated in the study, flying the same type of mission in a simulator and in real flight. Each pilot flew the same mission 3 times in the simulator and later 3 times in real flight. The pilots' heart rate, heart rate variability, and eye movements were continuously measured. Analyses of these data indicate that the pilots' psychophysiological reactions are very analogous in the simulator and in real flight.

  • 289.
    Magnusson Nählinder, Staffan
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Tekniska högskolan.
    Bergren, Peter
    Swedish Defense Research Agency.
    Dynamic Assessment of Pilot Mental Status2002Inngår i: Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, Baltimore, MD, USA, 2002Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    The purpose of the present study has been to measure mental workload, situational awareness and performance during specific air-to-ground missions in both simulated and real flight in order to assess operator status. Specifically to compare simulated versus real flight regarding the concepts, to analyze the relationships between physiological reactions, situational awareness, and experienced mental workload and also develop and test causal models of operator function. A second purpose of the study was to develop practically useful methods for analyzing mental workload and performance during operative conditions.

  • 290.
    Magnusson Nählinder, Staffan
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling. Linköpings universitet, Tekniska högskolan.
    Bergren, Peter
    Swedish Defense Research Agency, Linköping, Sweden.
    Persson, Björn
    Swedish Defense Research Agency, Linköping, Sweden.
    Increasing Training Efficiency Using Embedded Pedagogical Tools in a Combat Flight Simulator2005Inngår i: Proceedings of the Human Factors and Ergonomics Society 49th Annual Metting, Orlando, FL, USA, 2005Konferansepaper (Annet vitenskapelig)
    Abstract [en]

    Many flight simulators today are made to provide a realistic environment for training. However, they often lack the possibility of providing pedagogical feedback to the person in training as well as feedback to any instructor leading the training. The purpose of this paper was to evaluate the usefulness of several pedagogical tools embedded in a flight simulator and to examine their potential for increasing training efficiency. Twenty students and instructors from the Swedish Air Force Flying Training School volunteered in this study. Seven embedded pedagogical tools were assessed using questionnaires. There was a quite consistent opinion in favor of the pedagogical tools implying that the embedded pedagogical tools is the way forward in training simulator development. The results from the present study are believed to be equally valid in many other areas besides flight simulators.

  • 291.
    Magnusson, Thomas
    Linköpings universitet, Ekonomiska institutionen. Linköpings universitet, Filosofiska fakulteten.
    Commercializing cleaner new technologies: the case of microturbine generators2003Inngår i: Technology Analysis & Strategic Management, ISSN 0953-7325, E-ISSN 1465-3990, Vol. 15, nr 3, s. 349-362Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Based on a study of the emerging microturbine industry, this paper argues that recent trends towards preventive and product-oriented industrial environmental management are problematic from the technology suppliers’ perspective. This is especially evident in the suppliers’ initial efforts to define markets and applications during early stages of commercialization. The distinction between product innovation driven by explicit or perceived user needs and innovation in environmental technology driven by regulatory demands has become blurred. This means that suppliers have had to interact simultaneously with both users and regulators in order to articulate the demand and acceptance for the new technology.

  • 292.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Berggren, Christian
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Entering an era of ferment: radical vs incrementalist strategies in automotive power train development2011Inngår i: Technology Analysis & Strategic Management, ISSN 0953-7325, E-ISSN 1465-3990, Vol. 23, nr 3, s. 313-330Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Incremental improvement of a deeply embedded technology system has been a hallmark of the automotive industry for a very long time. Efforts to develop alternatives have repeatedly failed. This paper analyses how Toyota started to challenge this pattern in the late 1990s, by the architectural innovation embodied in Prius, the first mass-produced hybrid-electric car. This is followed by an account of how key competitors reacted by accelerating their incremental innovation efforts, in an era when concerns over fuel prices and greenhouse gas emissions increased demand for environmentally sound vehicles. The paper builds on records of patenting and performance of actually marketed models to analyse the unfolding technology competition. It also considers the most probable technologies on the market in a 10–12 year timeframe, and further explains how different technoogy strategies put competing firms in different positions in an era of ferment.

  • 293.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Ekonomiska institutionen. Linköpings universitet, Filosofiska fakulteten.
    Berggren, Christian
    Linköpings universitet, Ekonomiska institutionen. Linköpings universitet, Filosofiska fakulteten.
    Environmental innovation in auto development: managing technological uncertainty within strict time limits2001Inngår i: International Journal of Vehicle Design, ISSN 0143-3369, E-ISSN 1741-5314, Vol. 26, nr 2-3, s. 101-115Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Manufacturing industry is facing increasingly stringent demands on environmental compliance and the auto industry is particularly exposed to pressure from public and authorities in this area. The purpose of this article is to provide an empirical analysis on how the application of new technologies in order to comply with environmental demands may change the product development process within the auto industry. Experiences from the development of Toyota Prius, the worlds first mass-produced car based on a hybrid power train, are presented and analysed. The analysis shows that technological uncertainty made it necessary to move beyond the prevailing lean product development approach. The article concludes by suggesting a strategy consisting of three fundamental elements in order to control technological uncertainty in innovative and time-focused product development projects up-front testing, intense horizontal communication, and clear and challenging objectives.

  • 294.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap.
    Berggren, Christian
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap.
    Innovation in Sustainable Vehicles - Managing the New Technology Based Competition within the Auto Industry2007Inngår i: RADMA Conference,2007, 2007Konferansepaper (Fagfellevurdert)
  • 295.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Berggren, Christian
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Knowledge integration as a key competence: contrasting technology and sourcing strategies for the development of hybrid-electric vehicles2008Konferansepaper (Fagfellevurdert)
  • 296.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Berggren, Christian
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Stödköp hybrider nu, regeringen2009Annet (Annet (populærvitenskap, debatt, mm))
  • 297.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Berggren, Christian
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Sushandoyo, Dedy
    Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap. Linköpings universitet, Tekniska högskolan.
    Entering an Era of Ferment: Technology and Product Strategies for Hybrid Electric Vehicle Development2008Konferansepaper (Fagfellevurdert)
  • 298.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Projekt, innovationer och entreprenörskap.
    Johansson, G.
    Department of Industrial Engineering and Management, School of Engineering, Jönköping University, Jönköping, Sweden.
    Managing internal technology transfer in complex product development2008Inngår i: European Journal of Innovation Management, ISSN 1460-1060, E-ISSN 1758-7115, Vol. 11, nr 3, s. 349-365Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Purpose - The purpose of this article is to illustrate how the characteristics of complex product systems pose specific managerial challenges onto the transfer of new technology from technology development to product development. Design/methodology/approach - The research relies on comparative case studies involving three cases of internal technology transfer processes in the development of electrical equipment and telecommunication systems. Findings - The research findings suggest that managerial decisions on internal technology transfer should be guided by a contingency framework rather than general procedures and tools. Research limitations/implications - Since the research is restricted to a limited number of case studies, additional studies are required to validate the findings. Practical implications - The study results indicate that in cases of complex product development, there is a need for a more integrated view on technology and product development, than what is commonly described in the literature. Originality/value - This article complements previous studies of the management of internal technology transfer processes, which primarily have addressed mass producing industries. © Emerald Group Publishing Limited.

  • 299.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Ekonomiska institutionen. Linköpings universitet, Filosofiska fakulteten.
    Johansson, Glenn
    Linköpings universitet, Institutionen för konstruktions- och produktionsteknik. Linköpings universitet, Tekniska högskolan.
    Planned or experience-based processes for eco-design innovation: exploring product development driven by environmental performance targets2001Inngår i: International Journal of Environmental Technology and Management, ISSN 1466-2132, E-ISSN 1741-511X, Vol. 1, nr 1/2, s. 164-178Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Eco-design research suggests that environmental considerations should be integrated with product development with no or only minor changes to existing development processes. These processes are expected to be systematic, predictable and thoroughly planned. This paper explores if this assumption is still valid when requirements on environmental performance call for more innovative product development. An analytic model is derived from innovation management literature and used to analyse the development of a new industrial gas turbine, a project for which challenging emission level targets meant that new combustion technology had to be applied. The main conclusion is that the application of new technology is followed by changes of the development process, meaning that development becomes guided by real-time experiences rather than by formal plans.

  • 300.
    Magnusson, Thomas
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Ekonomiska institutionen.
    Johansson, Glenn
    Ingenjörshögskolan i Jönköping.
    Säfsten, Kristina
    Ingenjörshögskolan.
    Lakemond Ebbers, Nicolette
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Ekonomiska institutionen.
    Bridging the boundaries between technology development, product development and production2006Inngår i: International Product Development Management Conference,2006, 2006Konferansepaper (Fagfellevurdert)
3456789 251 - 300 of 456
RefereraExporteraLink til resultatlisten
Permanent link
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annet format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annet språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf