Finally, the thesis develops expert system of engine fault diagnosis, and introduces setting-up and maintenance of knowledge base, design of reasoning mechanism and so on in detail.
最后，课题对发动机故障诊断专家系统进行了开发，并详细介绍了知识库的建立和维护、推理机制的设计等。
This paper mainly discusses the maintenance of knowledge base in expert system, especially when knowledge is represented as a set of ruks, how to find a rule which is wrong and modify it.
主要介绍用规则表示知识的知识库如何发现某条规则有错及如何修改的问题。 这是作者在研制专家系统中提出的“预备库”等新方法。
The design idea and the implementation technique of the knowledge acquisition system is put forward based on OPS83, meanwhile the technique of knowledge base maintenance is realized.
根据OPS83的语法要求，提出了基于OPS83专家系统的知识获取系统的设计思想及实现技术，同时实现了知识库的自动维护方法。
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