Sequencing Mixed-Model Assembly Lines to Minimize Part Inventory Cost
A mixed-model assembly line enables the joint production of dierent models of a common base product in intermixed model sequence (lot size one). Previous approaches for the short-term planning task of model sequencing either aim at minimizing work overload (mixed-model sequencing and car sequencing) or leveling part usages (level scheduling). However, at many manufacturers parts are consolidated by a third party logistics provider, who stocks Just-in-Time delivered parts in a consignment warehouse adjacent to the line. The manufacturer issues a complete cargo carrier (e.g. a euro-pallet) whenever his own intermediate storage of parts is depleted. Thus, the manufacturer aims at a model sequence which minimizes his own inventory costs. This paper formalizes this novel model sequencing problem and describes dierent heuristic and exact procedures. Furthermore, the solutions yielded by these approaches are compared to the traditional level scheduling.
|Date of creation:||25 Feb 2007|
|Publication status:||Published in: Operations Research Spectrum 30/3 (2008), 611-633|
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- Bautista, J. & Companys, R. & Corominas, A., 1996. "Heuristics and exact algorithms for solving the Monden problem," European Journal of Operational Research, Elsevier, vol. 88(1), pages 101-113, January.
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