基于节点电压增量方程的含容差轨道电路软故障诊断

摘要/Abstract

摘要： 为了解决轨道电路容差的存在使得相关的故障诊断理论方法难以用于实际工程，分析了轨道电路的容差特性，提出了基于灵敏度分析的消除容差对故障诊断影响的方法，并在此基础上提出了基于节点电压增量方程的含容差轨道电路软故障字典法.该方法是对含容差线性模拟电路故障诊断方法的拓展，也适用于一般线性模拟电路.仿真验证结果表明，所提出的方法可以有效地实现含容差轨道电路的软故障诊断.

关键词: , 轨道电路；容差；软故障诊断；节点电压增量关系方程

Abstract: The fault diagnosis of track circuit is very important for ensuring the normal operation and safety of trains. However, the existing researches on fault diagnosis of track circuit mostly focus on the hard faults diagnosis. And there is a lack of researches on the fault diagnosis methods of track circuit with tolerance. The existence of tolerance makes it difficult to apply related theory of fault diagnosis methods to actual engineering. Aiming at these problems, this paper researches the fault diagnosis of track circuit with tolerance and proposes methods to eliminate the effect of tolerance, based on sensitivity analysis. This paper also proposes the soft faults diagnosis dictionary methods of track circuit with tolerance, based on nodevoltage increments. The simulation experiment shows that the proposed methods can effectively diagnose the soft faults of track circuit with tolerance.

Key words: , track circuit, tolerance, soft fault diagnosis, nodevoltage increments relation function

中图分类号:

TP 273

贾雷，董炜，孙新亚，吉吟东，陈华. 基于节点电压增量方程的含容差轨道电路软故障诊断[J]. 上海交通大学学报（自然版）, 2017, 51(6): 679-685.

JIA Lei,DONG Wei，SUN Xinya，JI Yindong，CHEN Hua. Soft Faults Diagnosis of Track Circuit with Tolerance Based on
NodeVoltage Increments[J]. Journal of Shanghai Jiaotong University, 2017, 51(6): 679-685.

参考文献

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