考虑列车性能差异的城市轨道交通特性研究

参考实际地铁交通系统,根据移动自动闭塞的特点,建立了基于元胞自动机的轨道交通模型,并研究列车车长、加速度、最高速度对轨道交通流的影响。重点研究了性能不同的列车同时在同一条轨道上混合运行时的列车延迟现象。仿真结果表明列车车长差异会对列车流特性产生影响,延误后续列车运行;列车的加速度对列车流影响较小;列车最高速度不同时列车延迟现象严重,多数列车出现晚点现象。

Abstract：

A cellular automaton model based on real traffic system was proposed for subway railway moving block systems.With this model the subway traffic flow in the case that different trains with different performances,for instance train length,acceleration,deceleration and maximum speed run in the same track was analyzed.The analysis focused on trains’ delay time in that case.Simulation result shows that： differences in trains’ length affect the train flow,and delay the following trains;differences in acceleration have insignificant influences on the property of train flow;differences in maximum speed lead to trains’ longtime delay,most of the trains on the track are running late in this case.