Multi-level,single-machine lot sizing and scheduling (with initial inventory) |
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| Institution: | 1. ABB Corporate Research Center Germany;2. Process Dynamics and Operations Group, Technische Universität Dortmund;1. Department of Law and Economics, University Mediterranea of Reggio Calabria, Italy;2. ICRIOS - The Invernizzi Centre for Research on Innovation, Organization, Strategy and Enterpreunership - Bocconi University, Milano, Italy;3. MEDAlics, Research Center at Università per Stranieri Dante Alighieri, Reggio Calabria, Italy;4. Center for Dynamics, Department of Mathematics, Technische Universität Dresden, 01062 Dresden, Germany |
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| Abstract: | This paper presents a mixed-integer program for the dynamic lot sizing and scheduling problem in a multi-level, single-machine environment. It turns out that in contrast to single-level problems the integration of initial inventory is a crucial aspect if generality should not be lost. It is shown how problem instances can efficiently be solved to suboptimality by using a so-called randomized regret based heuristic. |
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