The analytical result proves that,by utilizing the wavelet neural networks in this paper,the two abnormal sound faults of diesel engine are distinguished efficiently,and the serious degrees of the faults are monitored as well.

• 结果表明,利用文中所设计的小波神经网络能非常准确地诊断出EQ 6BT柴油机活塞敲缸响、活塞销响两种异响故障及其故障的严重程度。