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研究了振动烈度的相关方法和理论,以WD615柴油机供油系断油故障诊断为例,通过各缸断油时振动烈度值与正常状态下振动烈度值的比较分析,验证了利用振动烈度进行发动机供油系统故障诊断方法的正确性。
The relevant methods and theories of vibration intensity are studied. Taking the fault diagnosis of diesel oil supply system of WD615 diesel engine as an example, the vibration intensity of each cylinder is compared with the vibration intensity under normal condition, Correctness of fault diagnosis method of fuel supply system.