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Offsetting inventory replenishment cycles
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DOI：10.1016/j.ejor.2016.03.055.png)
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Abstract
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The inventory-staggering problem is a multi-item inventory problem in which replenishment cycles are scheduled or offset in order to minimize the maximum inventory level over a given planning horizon. We incorporate symmetry-breaking constraints in a mixed-integer programming model to determine optimal and near-optimal solutions. Local-search heuristics and evolutionary polishing heuristics are also presented to achieve effective and efficient solutions. We examine extensions of the problem that include a continuous-time framework as well as the effect of stochastic demand. (C) 2016 Elsevier B.V. All rights reserved.
Keywords:
Inventory
Replenishment staggering
Symmetry reduction
Heuristics
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