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Journal: مدیریت صنعتی
Year:1388 | Volume:4 | Issue:9
Start Page:1 | End Page:17

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Title

DEVELOPMENT AND IMPROVING SUPPLY CHAIN INVENTORY CONTROL MODEL FOR PERISHABLE ITEMS USING JUST-IN-TIME LOGISTIC

Pages

 Start Page 1 | End Page 17

Abstract

 In this paper, three new three-level Inventory Control models for perishable items with adoption of JUST-IN-TIME LOGISTICs philosophy to obtain the optimal total cost of the whole supply chain including costs of production, freight, maintenance, non-on-time delivery (delayed or early delivery), and PERISHABLE GOODS, are presented. The first model has been developed in a way that in addition to minimizing the costs also gives rise to situations in which all goods will be delivered to the customers within the consumption period and there will be no decaying (this Model is designed for the ideal systems). The second model has been developed so that not only does it minimize the costs, it also adds the costs of the decayed goods (if some goods are not delivered to the customers within their consumption period, since all the goods have expiry date, thus they decay) to the target function and minimizes them as well (This model has been designed for the systems working in the real contexts). The third model has been developed to improve the second model and operates in a way that in addition to minimizing the costs, prevents the goods from decaying in some time before approaching the expiry date of the goods which have not been sold out, this model causes these goods to be sold with special discount so that the costs are minimized, and adds the costs of the discounted amount to the target function and minimizes them as well. All the three proposed models are new. In order to confirm the validation of the models, the methods of solving, the GENETIC ALGORITHM and CPLEX 10.2 solvent have been employed. The obtained results did verify their validity.

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