REALIZATION OF OBJECT-ORIENTED RULE-TYPE EXPERT SYSTEM TEMPLATE

面向对象规则型专家系统模板的实现(英文)

Expert systems (ESs) are being increasingly applied to the fault diagnosis of engines. Based on the idea of ES template (EST), an object-oriented rule-type EST is emphatically studied on such aspects as the object-oriented knowledge representation, the heuristic inference engine with an improved depth-first search (DFS) and the graphical user interface. A diagnositic ES instance for debris on magnetic chip detectors (MCDs) is then created with the EST. The spot running shows that the rule-type EST enhances the abilities of knowledge representation and heuristic inference, and breaks a new way for the rapid construction and implementation of ES.

在发动机的故障诊断领域 ,专家系统 ( ES)正得到越来越广泛的应用。本文首先讨论了 ES的模板化思想 ;接着重点研究一种面向对象的规则型 ES模板 ,包括面向对象的规则知识表示、启发性的改进 DFS推理机制及图形化的人机界面三个方面 ;最后运用该模板创建了一个MCD磨粒诊断 ES实例。应用表明 ,规则型 ES模板化不仅增强了 ES的知识表示与启发推理的能力 ,而且为