便携式地铁列车辅助逆变器故障诊断系统设计

Design of Portable Fault Diagnosis System for Auxiliary Inverter of Subway Train

设计了一种便携式辅助逆变器故障智能诊断系统,对系统的工作原理、硬件结构及软件技术进行了详细描述。运用神经网络方法,分析故障产生的原因并确定故障发生的位置,以便及时维修。该诊断系统除具有"便携式"的特征外,还具有操作简便、诊断与分析自动化、智能化等特点,并且能够存储记录数据,方便以后分析查看,适用于车间检修和运营中突发故障现场对辅助逆变器故障进行快速、自动诊断。

In this paper ,a portable intelligent diagnosis system for the fault of auxiliary inverter was designed ,and a detailed description of its working principle ,hardware architecture and software technology was given .The neural network was used to analyze the causes of failure and to determine the location of failure ,to make the maintenance in time .In addition to a “portable”feature ,the diagnostic system would also be easy to operate ,intelligent in diagnosis and analysis ,and be able to store the recorded data for later analysis .It can be applied to the automatic diagnosis of auxiliary inverter on a failure site .