一种不完备粗糙集的航电设备故障诊断方法

A Fault Diagnosis Method of Aerospace Avionics EquipmentBased on Incomplete Data of Rough Set Theory

摘要:

针对已获得的航电装备测试数据中存在不完备数据的问题,在分析不完备决策表和差别矩阵属性约简的基础上,给出了一种在航电装备故障诊断中基于不完备数据获取最优诊断规则的模型,并在某型超短波抗干扰机载通信电台中应用验证,结果表明其有效性,从而为提高部队航空装备的可靠性和维修性提供了一条途径。

Abstract:

There exists the incomplete data in the gained testing data of aerospace avionics equipment. In order to resolve this problem, one of fault diagnosis methods of aerospace avionics equipment based on incomplete data was given, after having analyzed the concept of incomplete decision table and discernibility matrix reduction algorithm. Then, the model was applied to some aerospace avionics equipments, and the results indicated it was effectual, which provided a new way to improve the reliability and maintainability of the equipments.