Mathematical modeling of electrical controlled pneumatic brake

Yingze Yang, Lu Xiong, Zhiwu Huang, Kuo-Chi Lin
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Abstract

Inconsistent brake forces will aggravate impacts of collision between adjacent freight cars with different car types and load weights, especially in rigid connection mode which is widely used in Chinese freight lines. As it's designed with complex components and various operation modes the pneumatic brake system is a highly nonlinear one, it is hard to model and analyze its instantaneous state. In this paper, a mathematic model of the pneumatic brake is proposed. According to real-time operation mode of ECP system and brake stage of freight train, tracking object is dynamically adjusted to fit complex railway conditions. Finally, simulation results verify the astringency of this proposed algorithm, and shows collisions of ECP brake are decreased and real-time performance is improved.
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电控气动制动器的数学建模
制动力不一致会加剧相邻不同车型、不同载重的货车之间的碰撞冲击,特别是在中国货运线路广泛采用的刚性连接方式下。由于气动制动系统的部件设计复杂,工作方式多样,是一个高度非线性的系统,对其瞬时状态进行建模和分析比较困难。本文建立了气动制动器的数学模型。根据ECP系统的实时运行模式和货运列车的制动阶段,动态调整跟踪对象以适应复杂的铁路条件。最后,仿真结果验证了该算法的收敛性,表明该算法减少了ECP制动器的碰撞,提高了实时性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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