基于Web的工程机械故障诊断专家系统设计与实现  

The design and realization of a fault diagnosis system for construction machinery based on Web

作　　者：苏中元[1] 贾民平[1] 胡建中[1] 许飞云[1] 

机构地区：[1]东南大学设备监控与故障诊断研究所,江苏南京210096

出　　处：《工业仪表与自动化装置》2006年第2期18-21,共4页Industrial Instrumentation & Automation

基　　金：国家高技术研究发展计划(863)资助项目(2003AA430010);国家自然科学基金资助项目(50475078)

摘　　要：通过对设备工程机械各系统的工作原理、系统故障现象进行分析,确定诊断系统由故障巡检和故障诊断专家系统组成,系统知识库采用树状知识组织形式来描述,知识表达采用生产式规则和面向对象的知识表示法相结合的方式。在故障诊断的方法中引入了故障树分析,同时将领域专家的经验知识转化为诊断系统的知识,构建采用正向推理机制的诊断系统。An analysis of the principle of the systems of the construction machinery and the phenomena of fault diagnosis show that the system is composed of a fault inspection tour expert system and a fault diagnosis expert system. And the knowledge organization model and knowledge expression method are described. Diagnosis knowledge is expressed in production rules and Object-Oriented paradigm to construct the knowledge database. In the process of fault diagnosis, the analysis method of a fault tree is imported in the method of a fault diagnosis and accordingly convertes the field expert knowledge into expert system diagnosis knowledge. A forward reasoning mechanism of the intelligent fault diagnosis expert system is also described.

关 键 词：工程机械 故障诊断 专家系统 

分 类 号：TP206[自动化与计算机技术—检测技术与自动化装置] TP311.1[自动化与计算机技术—控制科学与工程]