双环式活塞
Two types of signals-crankcase pressure signal and block vibration acceleration signal were considered to have the property of mutual complementarity. The signals could be used to identify the status of piston-cylinder-ring assembly, and several effective characteristic parameters of the signals were selected.
认为曲轴箱压力和机身振动加速度这两类信号具有互补性,可以用于识别活塞缸套活塞环组件工作状态,对其选取了几个有效的信号特征参数。
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