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Modeling and analysis of disassembly processes of motors using Petri nets.

Wernkueir, Jehng; Peng, ShinSen; Zhou, MengChu

In: Proceedings of the second IEEE International Conference on Systems, Man and Cybernetics (SMC'02), October 6-9, 2002, Hammamet, Tunisia, Volume 4. IEEE Computer Society Press, October 2002.

Abstract: Recycling and demanufacturing have become more and more important due to the increasing environmental problems and depleting natural resources. Industry has been forced to deal with product take-back issues. The used products, to be disassembled, exhibit much uncertainty in their property, component conditions and configuration structures. This paper presents a methodology to model and analyze the demanufacturing process for motors using Petri net (PN) technique. A PN based take-back product explosion topology and its precedence relations during disassembly are presented. We have developed an adaptive scheme to investigate the demanufactured processes by a parametric methodology and tree theory in a PN framework. An adaptive disassembly planner is used to find the flexible operation path and maximum benefit procedure once the product-disassembly parameters are known. An adaptive method to study the critical environmental problem is developed and verified by using a motor demanufacturing model. The result of this approach has thus enhanced the idea that the end-of-life retirement of products should be endowed new life and recovery.


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