基于故障树的液压启闭机故障诊断系统  

Fault Diagnosis System of Hydraulic Hoist Based on Fault Tree

作　　者：姜宽舒 郭建斌[1,2] 唐泽[1] 王江[1] 李欣[1] 

机构地区：[1]河海大学能源与电气学院,江苏南京211100 [2]南通河海大学海洋与近海工程研究院,江苏南通226019

出　　处：《机械与电子》2014年第5期55-58,共4页Machinery & Electronics

基　　金：江苏省产学研联合创新资金资助项目(BY2012007);江苏省水利科技重点资助项目(2009041);南通市应用研究计划资助项目(BK2012050)

摘　　要：针对液压启闭机设备专业性强、故障复杂的特点,提出了一种基于故障树的故障诊断系统,描述了液压启闭机系统故障树的建立及故障树中故障事件参数的设定,实现了故障原因的诊断及故障发生部位的定位。同时还重点研究了液压启闭机故障树定性分析、定量分析功能的实现,并以液压缸无动作故障为例进行分析,验证了系统的有效性。Considering the characteristics of hydraulic hoist equipment, being fairly specialized and complex as for malfunction, a fault diagnosis system based on fault tree is proposed. It describes the establishment of the hydraulic hoist system fault tree and the parameter setting of. A given fault event, thus achieving the diagnosis of malfunction and the location of it Meanwhile, it centers on the algorithm implementation of qualitative analysis as well as quantitative analysis of hydraulic hoist tree Finally, it verifies the applicability of the system by taking an example of no action hydraulic cylinder fault diagnosis.

关 键 词：液压启闭机 故障诊断 故障树 概率因子 关键重要度 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]