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本文介绍一种可不用动态流量计,而采用四个线性液阻组成的液压桥,由压力传感器测出桥路节点压力变化量,再经数学变换的方法得出蓄能器的阻抗频率特性。
In this paper, we introduce a hydraulic bridge that can be made of four linear fluid resistances without using a dynamic flowmeter. The pressure changes of the bridge nodes are measured by a pressure sensor, and then the impedance frequency characteristics of the accumulator are obtained through mathematical transformation.