引き取り周期を考慮した外注かんばん方式の最適性(数理的最適化(1))

概要

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A supplier Kanban system controls orders to a vender in a Just-In-Time(JIT) production system. In a previous paper, we have proposed an algorithm for determining an optimal number of supplier Kanbans and an optimal withdrawal cycle that minimize an expected average cost per period under stochastic demand. This paper deals with an optimal control problem of ordering without using supplier Kanbans. A problem of determining an optimal ordering policy that minimizes the expected average cost per period is formulated into a Markov Decision Process(MDP). An optimality of the supplier Kanban system with the optimal number of Kanbans is discussed through numerical comparisons between the supplier Kanban policies and the optimal ordering policies computed by the MDP.
社団法人日本オペレーションズ・リサーチ学会の論文
1994-10-11