基于故障树的动车组常用制动失效风险分析及对策  

EMU Common Brake Failure Risk Analysis and the Countermeasures Based on Fault Tree

作　　者：刘敬辉[1] 戴贤春[1] 武青海[2] 郭湛[1] 

机构地区：[1]中国铁道科学研究院铁道科学技术研究发展中心,北京100081 [2]中国铁道科学研究院机车车辆研究所,北京100081

出　　处：《铁道技术监督》2013年第12期23-27,共5页Railway Quality Control

基　　金：自然科学基金项目(51078353);铁道部科技研究开发计划项目(2011T009;2011YJ68)

摘　　要：分析CRH3型动车组制动系统的工作原理、结构、功能及工作流程,根据其关键功能,包括空电复合制动、网络和硬线冗余指令传递、直通式电空制动方式、电气指令和空气指令传输方式等的特点,对常用制动系统结构和功能进行分解,建立常用制动失效故障树,分析基本事件的结构重要度,得出牵引执行系统电机故障、牵引控制单元故障、网压过高是导致常用制动失效发生的最重要因素,提出针对各类基本原因事件的风险控制措施。Based on the analysis of working principle,structure,functions and working process of braking system of CRH3 EMU,aeeording to the characteristics of key functions ineluding the combination of dynamie brake and air brake, command transmission by both network and electric ware,direct aeting eleetro-pneumatie braking,transmission models of electric command and air command,the authors resolve the structure and functions of the common braking systems. Then fault tree of Common Brake Failure is set up to analyze the struetural importanee of basic events. It is concluded the message of train mass transferred by error,the fault of traction motor performing dynamic brake and being extortionate of voltage of traction are the factors whieh mostly affeet Common Brake Failure,the control measures have been suggested finally.

关 键 词：电动车组 常用制动 故障树 风险分析 控制 

分 类 号：U266[机械工程—车辆工程]