基于动态故障树的中低速磁悬浮列车供电系统可靠性分析  

Reliability Analysis of Power Supply System for Mid-to-low Speed Maglev Train Based on Dynamic Fault Tree

作　　者：叶俊[1] 龙志强[1] 

机构地区：[1]国防科学技术大学磁悬浮技术工程研究中心,湖南长沙410073

出　　处：《机车电传动》2007年第1期25-28,共4页Electric Drive for Locomotives

基　　金：国家自然科学基金资助项目(60404003);湖南省自然科学基金资助项目(03JY3108)

摘　　要：为了提高供电系统的安全性和可靠性,CMS-03A新型中低速磁浮列车采用了一定量的冗余设计。考虑到动态故障树方法特别适合于冗余系统的故障建模,采用动态故障树方法对CMS-03A供电系统进行了故障分析。首先给出CMS-03A供电系统冗余设计方案,之后介绍动态故障树(DFTA)原理,然后用DFTA建立供电系统的故障模型,详细分析了该模型;文章的最后给出冗余设计方案与非冗余设计方案的对比分析,讨论了冗余设计方案的优劣。To improve the safety and reliability of the power supply system, redundant design is adopted for the CMS-03A mid-to-low speed maglev Wain. As the dynamic fault tree （DFTA） method is quite applicable for the fault modeling of the redundant system, the method is used for the fault analysis of CMS-03A power supply system. The redundant design scheme is given for the CMS-03A power supply system and then DFTA principle is illustrated. The fault model is also built and analyzed. Comparisons are made on the redundant and non-redundant design scheme. Advantages and disadvantages are discussed for the redundant design scheme.

关 键 词：动态故障树(DFTA) 磁浮列车 供电系统 N模冗余 马尔可夫过程 

分 类 号：U292.911[交通运输工程—交通运输规划与管理] TB114.3[交通运输工程—道路与铁道工程]