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ZPW2000A Jointless Track Circuit System Modeling and Simulation Considering Adjacent Signal Interference

机译:考虑相邻信号干扰的ZPW2000A无缝线路电路系统建模与仿真

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Track circuit is a crucial part of the train control system.It is of great significance to establish a refined track circuit model for fault diagnosis,which is important for ensuring the train’s safety.However,the adjacent track circuit signal interferences are not considered in all pre-existing track circuit models,leading to inaccurate simulation in the fault state.In order to overcome such a defect,this paper firstly develops a component-level frequency-dependent two-port network model,then computes module-level frequency-dependent two-port network model according to the cascade type,and deduces T cascaded two-port network model.Based on the above,the track circuit system model considering the adjacent track circuit signal interference is established.Finally,interferences between adjacent track circuits are analyzed in normal and fault state.The simulation experiment results reveal that the presented model is of high enough accuracy,which satisfies the requirement of track circuit fault diagnosis.
机译:轨道电路是列车控制系统的关键部分。建立完善的轨道电路故障诊断模型对确保列车的安全性具有重要意义。为了克服这种缺陷,本文首先建立了一个组件级频率相关的两端口网络模型,然后计算模块级频率相关的两个模型,以克服这种缺陷。在此基础上,推导了T级联的两端口网络模型。在此基础上,建立了考虑相邻轨道电路信号干扰的轨道电路系统模型。最后,对相邻轨道电路之间的干扰进行了分析。仿真实验结果表明,所提出的模型具有足够高的精度,可以满足跟踪电路f的要求。故障诊断。

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