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Research on freight business reorganisation for railway freight station hub in China

机译：中国铁路货运站枢纽货运业务重组研究

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摘要

Freight business reorganisation (FBR) in railway freight station hub is researched on the basis of the idea of 'limited categories and limited directions'. First, according to the subordinate hierarchical decision-making relationship between railway departments and shippers, a bi-level programming model for FBR is constructed. The objective of upper level model is to minimise the total of freight turnover in the freight station hub and the dispersion of business, and minimising the transport cost for shippers is the goal of the lower level model. Then, reaction function between upper and lower decision variables is formatted and a heuristic algorithm to solve the model is developed. Finally, a numerical sample is designed to verify the feasibility of the model and the algorithm. The results show that the business dispersion in reorganised freight station decreased by 75.00%, freight turnover decreased by 18.21%, and the shippers' transport costs only increased by 9.40%.
机译：基于“有限类别和有限方向”的思想，对铁路货运站枢纽的货运业务重组（FBR）进行了研究。首先，根据铁路部门与托运人之间的从属层次决策关系，建立了FBR的双层规划模型。上级模型的目标是最大程度地减少货运站枢纽中的货运周转总额和业务分散，而使托运人的运输成本最小化是下级模型的目标。然后，对上下决策变量之间的反应函数进行格式化，并开发一种求解该模型的启发式算法。最后，设计了一个数值样本来验证该模型和算法的可行性。结果表明，重组货运站的业务分散度下降了75.00％，货运周转量下降了18.21％，托运人的运输成本仅增加了9.40％。

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