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Life-Cycle Information Feedback to Product Design
Linköping University, Department of Management and Engineering, Manufacturing Engineering. Linköping University, The Institute of Technology.
Linköping University, Department of Management and Engineering, Manufacturing Engineering. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-2552-3636
2012 (English)In: Proceedings of the 5th Swedish Production symposium (SPS'12), The Swedish Production Academy , 2012, p. 99-105Conference paper, Oral presentation only (Other academic)
Abstract [en]

A key to sustainable product development is to consider the entire product life-cycle, as well as the requirements on product design in the different life-cycle phases. Improvements in product design can be based on information feedback from the product life-cycle. The aim of this paper is to identify sources of information from the product life-cycle for product design, as well as what benefits the retrieval of such information feedback can have for the product development process. The method udes for this paper was a literature review, utilizing the Scopus and Science Direct databases. Feedback information on the design phase can stream from the product life-cycle phases of manufacturing, use, service and edn-of-life. The feedback includes objective and subjective data from customers, users, service technicians and company staff involved in the product life-cycle. The feedback from the product life-cycle needs to be managed well, and relevant information should be available to the product development team in the design phase. Sucg information flows are valuable in supporting the design of products to facilitate the entire product life-cycle.

Place, publisher, year, edition, pages
The Swedish Production Academy , 2012. p. 99-105
National Category
Other Engineering and Technologies not elsewhere specified
Identifiers
URN: urn:nbn:se:liu:diva-87524ISBN: 978-91-7519-752-4 (print)OAI: oai:DiVA.org:liu-87524DiVA, id: diva2:589521
Conference
5th International Swedish Production Symposium (SPS 2012), 6-8 November 2012, Linköping, Sweden
Available from: 2013-01-18 Created: 2013-01-18 Last updated: 2020-03-05Bibliographically approved
In thesis
1. Exploring Product Life-Cycle Information Flows with a Focus on Remanufacturing
Open this publication in new window or tab >>Exploring Product Life-Cycle Information Flows with a Focus on Remanufacturing
2014 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Our daily lives and welfare rely heavily on products. Considering that climate change is caused by humans, it is important to handle and use products in a sustainable manner; remanufacturing is one such way to accomplish this. Remanufacturing is an industrial process where products are restored into useful life. However, few products are designed for remanufacturing, which sometimes makes remanufacturing impossible or difficult to perform. Traditionally, the design focus has been on the manufacturing and use phases. The product life-cycle perspective, however, is required to obtain a more sustainable product life-cycle.

As the remanufacturing process is characterised by process steps such as inspection, disassembly, cleaning and reprocessing, the often labour-intensive remanufacturing process has specific requirements on the design. Further, the remanufacturing process is characterised by uncertainties such as when used products are expected and what state they will be in when they arrive. Information from the product life-cycle such as drawings and service reports could potentially facilitate the remanufacturing process. Further, feedback from remanufacturing to product design could improve the design of the next generation of products.

The objective of this thesis is to identify and analyse product life-cycle information flows with a particular focus on remanufacturing.

The design research methodology framework has been used to outline, plan and support the research. Previous research in the area has been assessed through a literature study, while the case study methodology was applied for carrying out the empirical studies. The data collection methods used in the case studies were semi-structured interviews, workshops and document analysis.

The result from the literature study shows that feedback such as suggestions for improvement from remanufacturing personnel, process data, and data about wear on components could help to improve the design of the next generation of products. Further, design changes could lead to a more efficient remanufacturing process. The three industrial cases presented in this licentiate thesis fail to explore the full potential of remanufacturing feedback to product design. All in all, remanufacturing is sufficiently included in the information flows of the product life-cycle. Design for remanufacturing is not applied in any of the industrial cases studied.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2014. p. 61
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1669
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-107496 (URN)10.3384/lic.diva-107496 (DOI)978-91-7519-296-3 (ISBN)
Supervisors
Funder
VINNOVA
Available from: 2014-06-13 Created: 2014-06-13 Last updated: 2016-04-12Bibliographically approved
2. Improving Design for Remanufacturing Though Feedback from Remanufacturing to Design
Open this publication in new window or tab >>Improving Design for Remanufacturing Though Feedback from Remanufacturing to Design
2020 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The high demand for products in our society makes manufacturing, and the treatment of products throughout the product life cycle, crucial as it adds to the total environmental impact of a product. Initiatives such as the circular economy promote economic growth while not increasing environmental impacts. The circular economy can also be viewed as a system where the use, maintenance, reuse, remanufacturing, and recycling of materials are optimised to capture the embedded value of products. This doctoral thesis focuses on remanufacturing in particular as an environmentally preferred way to treat products that have reached their end of use. Remanufacturing is an industrial process whereby a used product is restored to its next full life cycle, and thus energy and materials can be saved compared to new production.

A product that is intended for remanufacturing ought to have certain qualities such as ease of cleaning, ease of separation, and ease of reassembly in order to achieve efficient product remanufacturing. By applying design for remanufacturing (DfRem), costs can be saved as the remanufacturing operation time is reduced. Further, integrating DfRem in the design process is essential in order to achieve a more efficient and effective remanufacturing process. However, the current status in industry is that DfRem is not widely applied, and thus, products are not designed to facilitate remanufacturing. Since DfRem requires knowledge about remanufacturing, feedback from remanufacturing to design is needed for making the correct design considerations. The aim of this doctoral thesis is to expand current knowledge on feedback from remanufacturing to design and how it can be used to improve DfRem.

Hence, in order to meet the aim of this thesis, both literature studies and multiple case studies were conducted. The case studies include three companies that design, manufacture, and remanufacture their products. The data collection within the case studies was predominantly conducted through semistructured interviews. The results from the case studies have been further explored in a cross-case analysis.

The literature studies show the potential feedback from remanufacturing to design can be divided into three main categories: from the remanufacturing personnel, related to the process of remanufacturing, or related to the core to be remanufactured. Further, potential feedback at the case companies was found. However, currently, the potential feedback remains unsought for at the case companies. Indeed, there are barriers for feedback from remanufacturing to design, such as lack of knowledge, lack of incentives, and organisational barriers. However, there are also enablers, such as business opportunities to be gained, increased customer willingness, and laws, regulations, and standards encouraging more sustainable products.

In this doctoral thesis, a framework for improving implementation of DfRem is presented, as the use of DfRem and feedback from remanufacturing to design was found to be scarce in the case companies. The developed Remanufacturing Information Feedback Framework (RIFF) focuses on breaching the barriers for feedback from remanufacturing to design. Further, the application of the RIFF promotes the implementation of DfRem methods and tools, which, when applied, could make remanufacturing more efficient and effective. Consequently, the increased application of DfRem will contribute to the overall growth of the remanufacturing market, which will also reduce the negative environmental impact and promote, in turn a more circular economy.

Abstract [sv]

Den höga efterfrågan på produkter i vårt samhälle innebär att tillverkning av produkter och hur de behandlas under hela deras livscykel är betydande för miljöpåverkan. Detta eftersom allt ifrån tillverkning till hur en produkt tas om hand när den är förbrukad, bidrar till produktens totala miljöpåverkan. Initiativ såsom införandet av cirkulär ekonomi är tänkt att främja ekonomisk tillväxt utan att påverka miljön negativt. Cirkulär ekonomi kan också ses som ett system där användning, underhåll, återanvändning, återtillverkning och återvinning av produkter och material optimeras för att tillvarata och göra det mesta av den energi och det material som använts för att tillverka produkten. Denna doktorsavhandling fokuserar på återtillverkning, såsom ett hållbart sätt att behandla produkter som inte längre används. Återtillverkning är en industriell process där en begagnad produkt återställs till nyskick och på så sätt sparas energi och material, jämfört med nytillverkning.

En produkt som är avsedd för återtillverkning bör ha vissa egenskaper såsom att vara enkel att rengöra, enkel att demontera och enkel att montera. Genom att tillämpa konstruktion för återtillverkning (eng. design for remanufacturing (DfRem)) kan kostnader inom återtillverkning sparas eftersom tidsåtgången reduceras. Integrering av DfRem i produktutvecklingsprocessen är därför viktigt för att uppnå en effektivare återtillverkningsprocess. I nuläget används dock inte DfRem i någon större utsträckning inom industrin. DfRem kräver kunskap om återtillverkning, både i allmänhet, och om den specifika återtillverkningsprocessen för den aktuella produkten i synnerhet. Därför behövs feedback från återtillverkning till produktutveckling för att konstruktörer ska kunna göra korrekta konstruktionsöverväganden. Syftet med denna doktorsavhandling är att utöka aktuell kunskap om feedback från återtillverkning till produktutveckling och hur den kan användas för att förbättra DfRem.

För att uppnå syftet genomfördes både litteraturstudier och flera fallstudier. Fallstudierna inkluderar tre företag som konstruerar, tillverkar och återtillverkar sina produkter. Datainsamlingen genomfördes främst genom semistrukturerade intervjuer. Resultaten från de tre fallstudierna har även undersökts i en syntes från de olika fallstudierna.

Litteraturstudierna visade att den potentiella feedbacken från återtillverkning till produktutveckling kan delas in i tre huvudkategorier; från återtillverkningspersonalen, relaterad till processen för återtillverkning eller relaterad till komponenten som ska återtillverkas. Vidare hittades potentiell feedback hos fallföretagen. För närvarande förblir emellertid den potentiella feedbacken outnyttjad vid de fallföretag som presenteras i denna avhandling. Fallstudierna visade att det finns hinder för feedback från återtillverkning till produktutveckling; såsom brist på kunskap, brist på incitament och organisatoriska hinder. Det finns emellertid också möjliggörare såsom; potentiella affärsmöjligheter, ökad kundvilja, och lagar, regler och standarder som uppmuntrar till mer hållbara produkter.

I denna doktorsavhandling presenteras ett ramverk för att förbättra implementering av DfRem, eftersom användningen av DfRem och feedback från återtillverkning till produktutveckling är bristfällig i de fall som studerats. Ramverket (eng. the Remanufacturing Information Feedback Framework (RIFF)) fokuserar på att överbrygga hinder för feedback från återtillverkning till produktutveckling. Vidare främjar tillämpningen av RIFF implementeringen av DfRem-metoder och -verktyg, som, när de tillämpas, skulle kunna göra återtillverkning mer effektiv. Följaktligen kan ökad tillämpning av DfRem att bidra till den totala tillväxten av återtillverkningsmarknaden, vilket skulle innebära minskad negativ miljöpåverkan och även gynna en mer cirkulär ekonomi

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2020. p. 92
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 2034
Keywords
Circular Economy, Remanufacturing, Design for remanufacturing, Feedback
National Category
Production Engineering, Human Work Science and Ergonomics
Identifiers
urn:nbn:se:liu:diva-164111 (URN)10.3384/diss.diva-164111 (DOI)9789179299521 (ISBN)
Public defence
2020-03-20, C3, C Building, Campus Valla, Linköping, 09:15 (Swedish)
Opponent
Supervisors
Available from: 2020-03-05 Created: 2020-03-05 Last updated: 2020-03-05Bibliographically approved

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Lindkvist, LouiseSundin, Erik

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