Warehouse reshuffling: Insights and optimization |
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| Institution: | 1. Lehrstuhl für Operations Management, Friedrich-Schiller-Universität Jena, Carl-Zeiß-Straße 3, Jena 07743, Germany;2. Schumpeter School of Business and Economics, Bergische Universität Wuppertal, Lehrstuhl für Betriebswirtschaftslehre insb. Produktion und Logistik, Rainer-Gruenter-Str. 21, Wuppertal 42119, Germany;3. Fachgebiet Management Science/Operations Research, Technische Universität Darmstadt, Hochschulstraße 1, Darmstadt 64289, Germany;1. Lehrstuhl für Management Science, Friedrich-Schiller-Universität Jena, Carl-Zeiß-Straße 3, 07743 Jena, Germany;2. Lehrstuhl für Operations Management, Friedrich-Schiller-Universität Jena, Carl-Zeiß-Straße 3, 07743 Jena, Germany |
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| Abstract: | Warehouse reshuffling is a reorganization strategy that consists of repositioning items by moving them sequentially. This study investigates how to optimize warehouse reshuffling and quantifies the effect of common assumptions. A mathematical programming formulation for the general warehouse reshuffling problem, the complexity of the problem, several heuristics based on the problem structure, a formal proof delimitating instances where double-handling can be a productive move, and managerial insights on the performance of reshuffling policies in various environments are presented. Experimental results suggest that the proposed heuristics improve upon a benchmark heuristic by relaxing how cycles are handled and incorporating double-handling. |
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| Keywords: | Warehouse operations Facility logistics Slotting |
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