5A2 SIMULTANEOUS OPTIMIZATION OF STORAGE ALLOCATION AND ROUTING PROBLEMS FOR BELT-CONVEYOR TRANSPORTATION(Technical session 5A: Application and practice 2)

概要

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For material yard systems in industrial steel plants, raw materials are stored to appropriate storage areas in order to satisfy various production requirements. The stored materials are transported into production plants by belt-conveyors with multiple routes. The simultaneous optimization of storage allocation and routing problem is required to achieve flexible production change for production plants. In this paper, we propose a Lagrangian decomposition and coordination approach for storage allocation and routing for beltconveyor transportation system. The overall problem is decomposed into an allocation planning subproblem and a routing subproblem. A near optimal allocation and transportation plan is derived by repeating each optimization of subproblems and multiplier updates. The effectiveness of the proposed approach is confirmed from numerical simulations.
一般社団法人日本機械学会の論文
2006-07-18