摘要： 针对不准确、不完整的信息系统，设计了一个用于分类的粗糙集-神经网络-专家系统的混合系统，给出了系统的流程图，描述了系统各组成部分的工作原理，通过一个滚动轴承技术诊断实例证明了该系统的有效性。

关键词: 粗糙集, 人工神经网络, 专家系统, 故障诊断

Abstract: This paper states the research meanings of hybrid system of rough set - neural networks - expert system used to classification aiming at imprecise and incomplete information system especially, designs a system flow chart, describes work principles of each parts, and proves the validity through the examples of ball screw fault diagnosis.

中图分类号: 

• TP18