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考虑不确定货流及其影响的轴辐式网络随机规划模型
  • 摘要

    轴辐式网络通过节点之间的相互协作产生运输规模效应,从而降低物流成本.轴辐式网络节点之间货流的不确定性,使得对节点能力的确定具有风险,并影响节点对网络的贡献的分析.首先,考虑货流不确定性的特点,运用随机规划方法确定辐节点的吞吐能力,为了确定轴辐式网络的结构和枢纽节点的吞吐能力,在辐节点吞吐能力的基础上建立轴辐式网络设计的混合整数随机规划模型.然后,从节点流量规模、节点资源利用率、支线与干线对流平衡等角度对节点划分等级,建立多属性效用函数评估节点对网络贡献,并提出节点贡献率评价指标.最后,基于节点贡献率,分析了网络运营中存在的问题,探讨了网络调整策略,并通过算例验证了调整策略对提高网络资源利用率的有效性.

  • 作者

    胡青蜜  胡志华  HU Qingmi  HU Zhihua 

  • 作者单位

    上海海事大学物流研究中心,上海,201306/上海海事大学物流研究中心,上海201306;同济大学经济与管理学院,上海200331

  • 刊期

    2014年2期 ISTIC PKU

  • 关键词

    物流  轴辐式网络  不确定性需求  能力设计  多属性评价  随机规划  logistics  hub-and-spoke network  uncertainty of demand  capacity design  multi-attribute evaluation  stochastic programming 

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