基于变精度粗糙集的航空发动机故障诊断

基金项目: 总装备部科研资助项目

Aeroengine fault diagnosis based on variable precision rough sets

The Engineering Institute, Air Force Engineering University, Xi'an 710038, China

摘要: 针对航空发动机故障诊断的实际情况,在分析粗糙集理论缺陷的基础上,引入变精度粗糙集模型对专家给出的样本集进行处理,并将所得到的极小化决策算法用于历史故障样本集的分析,得到了高的识别率,从实践的角度证明了该方法的有效性以及小样本情况下所得决策算法的普适性.
- 故障诊断 /
- 航空发动机 /
- 粗糙集 /
- 变精度粗糙集
Abstract: According to the practical conditions of aeroengine fault diagnosis,the paper firstly analyzed limitation of rough sets,then processed the samples set from experts experience by introducing variable precision rough sets model.And the samples sets of history faults were analyzed by the received decision-rules.The rate of identification was high.The result proves the effect of this method and the applicability of the decision-rules received from the small samples set.
- fault diagnosis /
- aeroengine /
- rough sets /
- variable precision rough sets(VPRS)

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