Probabilistic neural network is good at classifying,we proposed a new method for aeroengine fault diagnosis based on PNN,and it can diagnose three typical aeroengine rotor fault accurately.

• 鉴于概率神经网络良好的分类性能,提出一种基于PNN的飞机发动机故障诊断方法,成功对三种典型飞机发动机转子故障做出了正确诊断。