基于故障树的专家系统在起重机运行机构故障诊断中的应用

Application of Expert System Based on Fault Tree in Fault Diagnosis of Crane Traveling Mechanism

介绍了几种常见的故障诊断方法及其在起重机故障诊断中应用的可行性,重点分析了故障树分析法和专家系统诊断方法的基本原理和应用基础,讨论了起重机大车运行机构发生故障的具体原因,指出了在起重机运行机构故障诊断中采用基于故障树的专家系统方法的可能性,并结合该实例给出了具体的诊断推理机制。

This paper introduces several common fault diagnosis methods and their feasibility for the fault diagnosis of crane,puts special stress on analyzing the basic principles and application fundamentals of the fault tree analysis method and the expert system fault diagnosis method,discusses the specific reasons of the failure of the crane moving mechanism and then,points out the possibility of using the expert system method based on the fault tree in the fault diagnosis of the crane traveling mechanism and gives the mechanism of its diagnosis for example.