An autonomous decentralized supply chain planning system for multi-stage production processes |
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Authors: | Tatsushi Nishi Masami Konishi Shinji Hasebe |
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Affiliation: | (1) Department of Electrical and Electronic Engineering, Okayama University, 3-1-1 Tsushimanaka, Okayama 700-8530, Japan;(2) Department of Chemical Engineering, Kyoto University, Katsura Campus, Nishikyo-ku Kyoto, 615-8510, Japan |
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Abstract: | In this paper, we propose an autonomous decentralized optimization system for multi-stage production processes. The proposed system consists of a Material Requirement Planning subsystem, a Distribution Planning subsystem and Decentralized Scheduling subsystems belonging to each production stage that constitute the entire plant. In the proposed system, each subsystem repeats both optimization of the schedule at each subsystem and data exchange among the subsystems. Computational results demonstrate that the results of the proposed planning system are superior to those of the hierarchical planning system, despite the fact that the proposed system has wide flexibility for adding the constraints and modifying the criterion of performance evaluation.This revised version was published in June 2005 with corrected page numbers. |
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Keywords: | Supply chain planning and scheduling distributed scheduling autonomous decentralized system flowshop problem simulated annealing |
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