中文摘要：

随着磁浮列车技术的商业化应用,磁浮列车系统故障诊断越来越受到重视。以中低速磁浮列车为背景,在建立磁浮列车悬浮系统故障模型的基础上,针对磁浮列车悬浮系统的复杂性,将基于Petri Net的故障诊断理论Petri Fault Net应用于磁浮列车悬浮系统的故障诊断中。给出了基于Petri网的最小割集寻找方法;根据磁浮列车2001年以来的运行数据统计,计算出了节点的P概率/T概率;在此基础上进行了故障定位和影响分析。列车的试验运行验证了提出的理论准确性。

英文摘要：

With the commercial application of maglev train technology, the fault diagnosis for maglev train system has been gaining more and more attention. In the background of medium and low speed maglev trains, based on establishing the fault model of the suspend system on the maglev train, for the complexion of the suspend system, the fault diagnosis theory based on Petri Net - Petri Fault Net is used on the fault diagnosis of the suspend system, The way of searching for minimal cut set based on Petri Net has been raised; according to the statistical data of maglev train operation, the P/T probability of nodes has been calculated; then the fault location and impact analysis has been done based on it. The accuracy of the theory has been certified by the trial operation of maglev train.