An evaluation of semidefinite programming based approaches for discrete lot-sizing problems

C. Gicquel, A. Lisser and M. Minoux

European Journal of Operational Research, 2014, vol. 237, issue 2, 498-507

Abstract: The present work is intended as a first step towards applying semidefinite programming models and tools to discrete lot-sizing problems including sequence-dependent changeover costs and times. Such problems can be formulated as quadratically constrained quadratic binary programs. We investigate several semidefinite relaxations by combining known reformulation techniques recently proposed for generic quadratic binary problems with problem-specific strengthening procedures developed for lot-sizing problems. Our computational results show that the semidefinite relaxations consistently provide lower bounds of significantly improved quality as compared with those provided by the best previously published linear relaxations. In particular, the gap between the semidefinite relaxation and the optimal integer solution value can be closed for a significant proportion of the small-size instances, thus avoiding to resort to a tree search procedure. The reported computation times are significant. However improvements in SDP technology can still be expected in the future, making SDP based approaches to discrete lot-sizing more competitive.

Keywords: Manufacturing; Discrete lot-sizing and scheduling problem; Sequence-dependent changeover costs and times; Quadratically constrained quadratic binary programming; Semidefinite relaxation; Cutting planes (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:237:y:2014:i:2:p:498-507

DOI: 10.1016/j.ejor.2014.02.027

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