With the digital control, volume of compressive oil provided by hydraulicpowerunit in actuator can be regulated to modulate the test load value.
在油源设备提供一定压力油液的情况下，计算机调整输入到液压缸内的油液流量，由此控制试验载荷。
2
This paper introduces the data capture method for model setting of dynamic characteristics of hydraulicpowerunit and the construction of tester software and hardware.
本文介绍对水力机组动态特性进行建模时的数据获取方法及测试仪的软硬件结构。
3
The hydraulicpowerunit is a very important part of industrial hydraulic system, and also an important noise source.