在研究铁路货物列车技术站接续特点的基础上,对直通货物列车接续方案选择方法进行了相关扩展并建立了相应的优化模型,通过分析得出各模型均可以采用最小费用流算法进行求解。设计算例的结果表明,各种扩展方法对于优化技术站直通货物列车的接续是有效的。 On the basis of studying the characteristics of the connection of railway freight train technology station, this paper extends the selection method of direct train connection and establishes the corresponding optimization model. The analysis shows that each model can be solved by minimum cost flow algorithm. The results of the design example show that various extension methods are effective for optimizing the direct connection of freight train to the technology station.