A lot-sizing and scheduling model for multi-stage flow lines with zero lead times
AbstractWe present a new model formulation for lot-sizing and scheduling of multi-stage flow lines which works without a fixed lead-time offset and still guarantees a feasible material flow. In the literature, multi-stage lot-sizing model formulations often use a fixed lead time offset of one period leading to increased planned lead times. Computational tests have shown that the total costs resulting from our new model formulation are at least 10% lower. Furthermore, we present a solution approach based on Fix-and-Relax and Fix-and-Optimize. Numerical results show that this solution approach generates high-quality solutions in moderate computational time.
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Bibliographic InfoArticle provided by Elsevier in its journal European Journal of Operational Research.
Volume (Year): 225 (2013)
Issue (Month): 3 ()
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Web page: http://www.elsevier.com/locate/eor
Lot-sizing; Scheduling; Zero lead time offset; Fix-and-Optimize;
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- Helber, Stefan & Sahling, Florian, 2008.
"A Fix-and-Optimize Approach for the Multi-Level Capacitated Lot Sizing Problems,"
Diskussionspapiere der Wirtschaftswissenschaftlichen FakultÃ¤t der Leibniz UniversitÃ¤t Hannover
dp-393, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
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- Tempelmeier, Horst & Buschkühl, Lisbeth, 2008. "Dynamic multi-machine lotsizing and sequencing with simultaneous scheduling of a common setup resource," International Journal of Production Economics, Elsevier, vol. 113(1), pages 401-412, May.
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