| 多阶段随机选址库存模型研究 |
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| 引用本文： | 唐凯,杨超,杨琚.多阶段随机选址库存模型研究[J].武汉理工大学学报(信息与管理工程版),2008,30(5). |
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| 作者姓名： | 唐凯 杨超 杨琚 |
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| 作者单位： | 华中科技大学,管理学院,湖北,武汉,430074 |
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| 基金项目： | 国家自然科学基金，教育部跨世纪优秀人才培养计划 |
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| 摘 要： | 为了在存在多种不确定因素的多阶段战略周期中,确定最优的库存、选址和分配决策,提出了一类多阶段的随机选址库存模型.该模型不仅考虑了风险分摊的效益,而且还利用情景规划考虑了整个多阶段战略周期中各参数的不确定性.该模型的目标是寻找一个最优解,使得整个战略周期内系统的总期望成本(包括库存、运输和选址成本)最小,使用基于拉格朗日松弛与次梯度的启发式算法对该模型进行求解.多个算例的计算结果表明,该算法是求解所提出的多阶段随机选址库存模型的有效算法.
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| 关 键 词： | 最优库存 随机选址 多阶段 情景规划 拉格朗日松弛 |
Research on a Multistage Stochastic Location-inventory Model |
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| TANG Kai,YANG Chao,YANG Jun.Research on a Multistage Stochastic Location-inventory Model[J].Journal of Wuhan University of Technology(Information & Management Engineering),2008,30(5). |
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| Authors: | TANG Kai YANG Chao YANG Jun |
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| Affiliation: | TANG Kai,YANG Chao,YANG JunTANG Kai: Doctorial C,idate,School of Management,HUST,Wuhan 430074,China. |
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| Abstract: | In order to optimize the location,inventory,and allocation decisions under multistage strategy cycle with random parameters,a multistage stochastic version of the location-inventory model was presented.Different from the traditional location-inventory model in single stages,this model involves not only the benefit of risk pooling,but also the random parameters under multistage strategy cycle through by scenario programming.The goal of the model is to find solutions that minimize the expected total cost(incl... |
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| Keywords: | inventory location multistage scenario programming Lagrangian relaxation |
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