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Träfflista för sökning "WFRF:(Dittrich Thomas) srt2:(2001-2004)"

Sökning: WFRF:(Dittrich Thomas) > (2001-2004)

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1.
  • Brander, Pär, et al. (författare)
  • Lot scheduling in disassembly processes
  • 2003
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Due to environmental and legislative reasons, the importance of recycling is steadily increasing. Ecologically harmless recycling of used technical products is or will become mandatory for their producers. New policies focus on closed loops where old products are disassembled, parts are reused, and materials recycled. A collaborative research center in Germany designs prototypical disassembly facilities by systematic research of disassembly processes. In the context of this collaborative research project, lot scheduling in a disassembly-process is investigated. The investigated process is characterized by sequence-dependent set-up times and random returns. The purpose with this paper is to develop a lot scheduling policy to be used for planning the disassembly of different products in a disassembly factory. Two different policies are introduced, one inventory policy disassembling the item with the momentarily highest inventory level. The other policy is cyclical, disassembling the items in a determined sequence that minimises the total set-up time. A simulation study establishes that the cyclical policy results in lower inventories as well as more idle time than the inventory policy. The benefit of using a cyclical policy increases with an increased variation of the set-up times.
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