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Fault Diagnosis Study of the Inlet and Exhaust System Based on Vibration Signal
Author(s): 
Pages: 34-37
Year: Issue:  5
Journal: VEHICLE ENGINE

Keyword:  柴油机振动信号小波分析神经网络故障诊断;
Abstract: 提出了一种根据柴油机气缸盖振动信号诊断进排气系统故障的方法,介绍了对柴油机的振动信号进行小波降噪和小波分解,提取相应特征向量,然后将振动样本的特征向量作为径向基函数神经网络的输入参数,以故障类别作为输出参数训练该网络,训练后的神经网络可以利用测量的振动信号来判断柴油机的故障状况.仿真和试验证明该方法有效可行.
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