基于FTA的站台门门机系统可靠性分析  

Reliability Analysis of Platform Door Machine System Based on FTA

作　　者：王昕妍 WANG Xinyan(Zhengzhou Metro Group Co., Ltd, Zhengzhou 450000, China)

机构地区：[1]郑州地铁集团有限公司运营分公司,河南郑州450000

出　　处：《郑州铁路职业技术学院学报》2020年第1期28-31,共4页Journal of Zhengzhou Railway Vocational and Technical College

摘　　要：采用故障树分析法(FTA)对地铁站台门的门机系统进行可靠性分析,以郑州地铁1号线一期故障数据为基础,结合门机系统结构特点建立门机系统故障树,通过定性定量分析得出顶事件故障概率,根据重要度计算结果找出门机系统典型故障原因和薄弱环节,提出站台门门机系统故障优化方案,确保门机系统工作安全可靠。The fault tree analysis method(FTA)is used to reliability analysis of the platform door machine system.The fault tree is established based on the first stage failure data of Zhengzhou metro line 1 and the structural characteristics of door machine system.The failure probability of the top event is obtained by qualitative and quantitative analysis.The typical fault causes and weak links of door machine system are found out according to the importance calculation results.The fault prevention scheme and improvement measures of platform door crane system are put forward to ensure the safety and reliability of the door machine system.

关 键 词：门机系统 FTA 重要度计算 可靠性分析 

分 类 号：U231[交通运输工程—道路与铁道工程]