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城市轨道交通追踪列车定时节能操纵优化
作者:陈志杰  毛保华     陈绍宽  史芮嘉 
单位:北京交通大学 城市交通复杂系统理论与技术教育部重点实验室,北京 100044)
关键词:追踪列车操纵 节能 定时 线路条件 再生制动 
分类号:
出版年·卷·期(页码):2017·39·第8期(10-17)
摘要:

研究在给定站间运行时分前提下的城市轨道交通追踪列车节能操纵优化模型,模型以两列车在两站间运行的总能耗最小为目标,通过同时优化前行列车和追踪列车的操纵策略以提高再生制动能的利用。在一定的制动停车距离、线路平纵断面和限速条件下,将站间区间划分为若干个子区间,建立两列车在各个子区间的运行工况序列选择模型,通过遗传算法优化两列车在每个子区间的牵引力使用系数、末速度和运行时间,提高列车牵引时对再生制动能的利用率。算例表明,在给定的站间区间上,本文模型在保证正点前提下比单列车定时节能算法的能耗降低5.8%。当区间存在陡下坡时,两列车在途中运行过程中比在进出站过程中协同利用再生制动能效果更显著。

 To minimize the total energy consumption of two urban rail transit trains that are running in the two inter-station sections at given operational time, an optimization model for the energy-efficient trailing train operations was built to increase the utilization of the regenerating energy by optimizing the operation strategies of both the front train and the trailing train. The inter-station sections were divided into several subsections according to the braking distances, the plane and vertical sections of the railway line, and the speed limits of the sections. Then a selection model of operating condition sequences of the two trains in each subsection was built. A genetic algorithm was used to optimize the traction coefficients, the terminal velocities and the running time of both trains in each subsection in order to increase the utilization of the regenerating energy. The results demonstrate that, when the trains are running in the given inter-station sections, the optimization result reduces the energy consumption by 5.8% in comparison with the energy-efficient single-train operation algorithm under the condition of punctuality. In the case of steep descents in the sections, the effect of cooperative utilization of regenerating energy when the two trains are running on the way is more significant than the regenerating energy utilization when one train is departing from and another train is arriving at stations.

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