介绍使用MFC(Microsoft foundation Class)和ADO(ActiveX Data Object)数据库访问技术,开发可视化通信装备故障诊断专家系统的方法。探讨了使用面向对象、数据库技术和图形图像技术实现故障诊断可视化的技术途径。着重介绍了面向对象知识表示、推 理过程可视化的对象式框架知识模型实现。实践表明这种方法是有效的,具有良好的实用价值。 关键词:MFC;可视化;故障诊断;专家系统;知识模型 Realization of Visual Fault Diagnostic Expert System for Equipment of communication Based on VC++6.0 ZHOU Guo-xiang, ZHANG Yu-ce, FENG Jian-chuan, XU Ling (Bengbu Naval Petty Officer Academy,Anhui Bengbu 233012,China) Abstract: The method applying MFC and ADO in developing visual fault diagnostic expert system is introduced.Techniques combining object-orientation, database, images and graphics applied to implement vfdes are discussed.Knowledge representation. visual inference implement methods are mainly discussed. Application of the method testified its high performance and shows it is helpful for fault diagnosing. Key words: MFC; visualization; fault diagnostic; expert system; knowledge model