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西部陆海新通道班列物流枢纽选址优化研究
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Abstract:
为了提高西部陆海新通道班列的运行效率，针对西部陆海新通道班列的开行网络进行了班列物流枢纽的选址优化研究。采用复杂网络节点重要性指标建立评价指标体系，基于改进熵权的TOPSIS模型对节点城市进行评价排名，选取了班列候选物流枢纽。综合考虑多种运输方式及运输成本、货物交付时间成本等影响因素，以总成本最小为目标构建出了班列物流枢纽选址优化混合整数规划模型并使用Lingo进行求解，最终选取成都、昆明、长沙、南宁、贵阳作为物流枢纽。
To enhance the operational efficiency of the Western Land-Sea New Corridor Railways, this paper conducts an optimization study on the selection of logistics hubs for the railways’ network. By establishing an evaluation index system based on the importance index of complex network nodes, the paper evaluates and ranks the node cities using the TOPSIS model based on improved entropy weights, and selects candidate logistics hubs for the railways. Considering multiple transportation modes and factors such as transportation costs and delivery time costs, a mixed-integer programming model for the optimization of site selection for the railways logistics hubs is constructed with the objective of minimizing total costs. The model is solved using Lingo, and Chengdu, Kunming, Changsha, Nanning, and Guiyang are ultimately selected as logistics hubs.
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