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集装箱多式联运系统中各种运输方式最优组合模式研究 被引量:13

Research on Optimal Transport Mode Combination in a Multimodal Transportation System of Containers
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摘要 针对集装箱多式联运系统中各运输方式的最优组合模式进行了研究。首先,通过对集装箱多式联运网络的描述和相应变形,建立了多式联运虚拟运输网络,然后以多式联运网络系统性能指标(PI)最优为目标建立了模型,并采用改进的遗传算法作为求解算法。系统性能指标(PI)定义为各运输方式运输费用和运输时间的线性加权之和,针对不同货物可分别赋予不同的权重系数。最后,通过对一个实例问题的求解验证表明,本文方法有效地从定量角度分析了集装箱多式联运过程中各种运输方式的最优组合模式,为集装箱多式联运的相关研究工作提供了理论基础。 The paper researches the optimal transport mode combination in a muhimodal transportation system of containers. First, it establishes a virtual network for the multimodal transportation, then establishes an optimized model taking system optimal performance index (P1) of the muhimodal transportation network as a goal and uses improved genetic algorithm as a solving algorithm, and finally, gives out an example.
作者 姜军 陆建
出处 《物流技术》 2008年第4期127-129,134,共4页 Logistics Technology
关键词 集装箱多式联运 运输方式 最优组合 遗传算法 muhimodal transportation of container transport mode optimal combination genetic algorithm
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