Lot Sizing in General Assembly Systems with Setup Costs, Setup Times and Multiple Constrained Resources
AbstractWe introduce a heuristic method for finding good feasible solutions for multi-product lot sizing problems with general assembly structures, multiple constrained resources, and non-zero setup costs and setup times. We evaluate the performance of this heuristic by comparing its solutions to optimal solutions of small randomly generated problems, and to time-truncated Optimization Subroutine Library (OSL) solutions of medium-sized randomly generated problems. In the first case, the heuristic locates solutions averaging 4% worse than optimal in less than 1% of time required by OSL. The heuristic solutions to medium-sized problems are approximately 26% better than solutions OSL finds after 10,000 CPU seconds, and the heuristic finds these solutions in approximately 10% of OSL's time.
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Bibliographic InfoPaper provided by University of Bonn, Germany in its series Discussion Paper Serie B with number 346.
Date of creation: Jun 1995
Date of revision:
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Lot sizing; general assembly system; heuristics; integer programming applications;
Other versions of this item:
- Elena Katok & Holly S. Lewis & Terry P. Harrison, 1998. "Lot Sizing in General Assembly Systems with Setup Costs, Setup Times, and Multiple Constrained Resources," Management Science, INFORMS, vol. 44(6), pages 859-877, June.
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- Brahimi, Nadjib & Dauzere-Peres, Stephane & Najid, Najib M. & Nordli, Atle, 2006. "Single item lot sizing problems," European Journal of Operational Research, Elsevier, vol. 168(1), pages 1-16, January.
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Hannover Economic Papers (HEP)
dp-393, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
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- Sahling, Florian & Buschkühl, Lisbeth & Tempelmeier, Horst & Helber, Stefan, 2008. "Solving a Multi-Level Capacitated Lot Sizing Problem with Multi-Period Setup Carry-Over via a Fix-and-Optimize Heuristic," Hannover Economic Papers (HEP) dp-400, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
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