Volume 47, Number 4, September-December 2013ROADEF 2012
|Page(s)||429 - 443|
|Section||Special ROADEF 2012|
|Published online||29 November 2013|
Lagrangean Heuristic for a Multi-Plant Lot-Sizing Problem with Transfer and Storage Capacities
1 LIMOS, Bat. ISIMA, Université Blaise Pascal, Campus des
Cézeaux, BP 125, 63173 Aubiere
2 LIP6, Université Paris 6, 4 place Jussieu 75252 Paris Cedex 05
Accepted: 15 October 2013
The paper addresses a multi-item, multi-plant lot-sizing problem with transfer costs and capacity constraints. The problem is reformulated according to a multi-commodity flow formalism, and decomposed, through Lagrangean relaxation, into a master facility location problem and a slave minimal cost multi-commodity flow problem. The decomposition framework gives rise in a natural way to designing a Lagrangean based heuristic. Numerical experiments showing the efficiency of the proposed approach are reported.
Mathematics Subject Classification: 90B05
Key words: Lot-sizing / multi-plant / storage and transfer capacity / facility location / multi-commodity flow / Lagrangean relaxation
© EDP Sciences, ROADEF, SMAI 2013
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