Reference : Analysis of End-of-Life Process Data to enable Design Knowledge for Circularity
Dissertations and theses : Doctoral thesis
Engineering, computing & technology : Mechanical engineering
Sustainable Development
Analysis of End-of-Life Process Data to enable Design Knowledge for Circularity
Mangers, Jeff mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) >]
Jeff Mangers, ​Luxembourg, ​​Luxemburg
Docteur en Sciences de l'Ingénieur
Plapper, Peter mailto
Teferle, Felix Norman mailto
Sihn, Wilfried
Schäfer, Markus mailto
Matt, Dominik
Kedziora, Slawomir mailto
[en] Circular Economy ; Value Stream Mapping ; Computer-aided Everything ; Process Chains ; Product Lifecycle Management ; Decision-Support Tool
[en] The concept of Circular Economy (CE) is gaining increasing attention as an indispensable renewal of linear economy without neglecting sustainable development goals. Closing resource loops and keeping resources in the system at the highest level of use for as long as possible are cited as the main goals of CE. However, due to missing information exchange, the lack of consistency between the existing End-of-Life (EOL) infrastructure and the respective product designs hinders a successful circularity of resources. This research provides a modular method to collect, process, and apply EOL process data to provide the Beginning-of-Life (BOL) with important EOL-knowledge through a CE adapted product design assessment. EOL-data is collected using a Circular Value Stream Mapping (CVSM), EOL-information is processed using a digital state flow representation, and EOL-knowledge is applied by providing a graphical user interface for designers. The method is verified by a simulation model that serves as a decision-support tool for product designers in the context of a PET bottle case study in Luxembourg. The goal is to anticipate a circular flow of resources by reflectively aligning product design with the relevant EOL infrastructure. Within the linear economy, the focus has been on improving production processes while neglecting what happens to a product after its use. The developed method makes it possible to consider not only the requirements of users but also the actual end users, the EOL process chains, when designing products.

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