Introduced an analysis method of gray incidence degree analysis and discussed the Application of the method in failure diagnosis of differentialpiston air compressor.
介绍了灰色关联度分析方法，并论述了灰色关联度分析方法在级差式空压机故障诊断中的应用。
2
The example showed that the failure state of differentialpiston air compressor could be diagnosed and located correctly by using gray incidence degree analysis method.
实例表明，应用灰色关联度分析方法可以准确地诊断和定位极差式空气压缩机的故障状态。
3
The working principle and structure of 3-cylinder hydraulic confined piston engine (HCPE) is put forward, and the working process differential equations is constructed.