模糊环境下运输-库存模型的协调机制

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摘要 For the system coordination of transportation-inventory problem in the presence of uncertainty in customer demand, inventory cost, and lead time, this paper, from the point of optimizing logistics cost, establishes the optimization cost model of transportation-inventory system, and transportation cost in the model is taken as a step function of shipment lot size. Based on the fact that the model's optimal solution that can minimize system cost is not always viable in the real world, a coordination mechanism that can embody the purpose of decision-makers and improve the feasibility of model is advanced. In the end, the numerical examples are applied to show the effectiveness of the coordination mechanism: not only can the experience judgment of decision-makers be embodied, but the system cost obtained by the coordination mechanism is smaller than the cost under optimal transportation policy and optimal inventory policy.

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	王宇辉
	杨丽

关键词 ： transportation economics, system optimization, coordination mechanism, transportation cost function, fuzzy inventory cost, demand uncertainty

Abstract：For the system coordination of transportation-inventory problem in the presence of uncertainty in customer demand, inventory cost, and lead time, this paper, from the point of optimizing logistics cost, establishes the optimization cost model of transportation-inventory system, and transportation cost in the model is taken as a step function of shipment lot size. Based on the fact that the model's optimal solution that can minimize system cost is not always viable in the real world, a coordination mechanism that can embody the purpose of decision-makers and improve the feasibility of model is advanced. In the end, the numerical examples are applied to show the effectiveness of the coordination mechanism: not only can the experience judgment of decision-makers be embodied, but the system cost obtained by the coordination mechanism is smaller than the cost under optimal transportation policy and optimal inventory policy.

Key words： transportation economics system optimization coordination mechanism transportation cost function fuzzy inventory cost demand uncertainty

收稿日期: 2012-05-13

基金资助:Supported by the National Natural Science Foundation of China (No.71101049)

通讯作者: WANG Yu-hui, yhw396@163.com E-mail: yhw396@163.com

引用本文:

王宇辉, 杨丽. 模糊环境下运输-库存模型的协调机制[J]. Journal of Highway and Transportation Research and Development, 2013, 7(2): 100-103.
WANG Yu-hui, YANG Li. Coordination Mechanism of Transportation-inventory Model in Fuzzy Environment. Journal of Highway and Transportation Research and Development, 2013, 7(2): 100-103.

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http://manu27.magtech.com.cn/Jwk_gljtkj_en/CN/ 或 http://manu27.magtech.com.cn/Jwk_gljtkj_en/CN/Y2013/V7/I2/100

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