Modeling and Simulation for Trains Control in Urban Rail Transit

Abstract

Abstract:

The application of train control system effectively improves the operational efficiency of urban rail transit. While traditional calculation methods for train traction is quite difficult to meet the simulation precision in the implementation of train control due to lacking of related technical parameters and without consideration of the effect from train control system. A train control simulation model based on energy conservation is then proposed in this paper mainly considering the constraints from signaling systems and focusing on the accelerating and decelerating features of trains and velocity control strategy. The function and flowchart for the proposed simulation model are given before it is implemented. The case studies for a real urban rail transit line are carried out to verify the simulation precision and practicality of the proposed model by comparing with the results from an existing general-purpose simulation system.

Key words: urban traffic, simulation model, energy conservation, train control, signaling system

摘要：

列车运行控制系统的应用，有效地提高了城市轨道交通的运行效率.由于缺乏相关的技术参数，应用传统牵引计算理论方法的列车运行控制仿真系统，若未充分考虑系统控车的特性，在工程应用中控制的精度将无法保证.本文着重考虑信号系统工程设计的限制条件，将列车的加减速性能和速度控制策略作为主要研究对象，构建基于能量守恒原理和信号控制条件的列车速度控制仿真模型.在此基础上设计仿真模型，实现所需要的系统功能结构和仿真流程，并开发形成软件系统.在实际运行线路案例研究中，与采用通用列车运行仿真系统获得的结果比较，验证本文所建仿真模型的精度和工程适用性.

关键词: 城市交通, 仿真模型, 能量守恒, 列车控制, 信号系统

CLC Number:

U268.6

XU Yi. Modeling and Simulation for Trains Control in Urban Rail Transit[J]. Journal of Transportation Systems Engineering and Information Technology, 2017, 17(5): 82-88.

徐意. 城市轨道交通列车控制仿真模型研究[J]. 交通运输系统工程与信息, 2017, 17(5): 82-88.

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URL: http://www.tseit.org.cn/EN/abstract/abstract19488.shtml

http://www.tseit.org.cn/EN/Y2017/V17/I5/82

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