基于本体的机电设备故障诊断知识表示方法研究

In order to resolve the problems of difficult to represent the knowledge in the field of fault diagnosis, a method of knowledge representation based on ontology was put forward. Firstly, the knowledge structure in this field were analysed. Secondly, the full definitions of ontology such as classes, properties, relations, instances and rules were provided, in order to describe the process of knowledge representation based on ontology. At last, with the protégé, the computer model of fault diagnosis of hobbing machine was structured based on the analysis and definitions, which structs the foundation of the knowledge sharing and reuse of this field. Simulation results show that the method proposed in this article to resolve the problem of describing the faults of hobbing machine is positive.