5B2 MULTI-OBJECTIVE ANALYSIS OF PERIODIC REVIEW INVENTORY PROBLEM WITH COORDINATED REPLENISHMENT IN TWO-ECHELON SUPPLY CHAIN SYSTEM

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This paper studies a multi-objective analysis of periodic review inventory problem in two-echelon supply chain system. There, three strategies of replenishment are proposed to manage inventory in efficient way while trying to improve the system performance by simultaneously minimizing total cost and loss rate of the supply chain. Then we examine the profitable situation in which all members in the chain can achieve proportional satisfaction under these conflicting goals. To concern with the formulated problem concretely, we applied multi-objective differential evolution (MODE) after giving a suitable procedure for the resulting problem. Through a numerical experiment. we show that the intimate coordination strategy between manufacturers and retailers become more effective as uncertainty increases in the system.
2009-07-04