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1·Some faults such as amplifier offset, parameter changes, servo valve backlash and sensor fault are seeded in a virtual way by means of different switches in Simulink.

通过不同开关的动作来虚拟模拟常见的故障，诸如，放大器漂移、系统参数改变、伺服阀反冲以及传感器失灵等。

2·This paper give an advice that we can realize closed cycle control of feeding shaft by proportional valve and linear grid ruler instead of servo amplifier and servo motor.

利用比例阀和线性光栅尺配合使用替代伺服放大器和伺服电机实现进给轴的闭环控制。

3·The power stage of servovalves is spool valve, playing the role of hydraulic pressure amplifier.

电液伺服阀的功率级一般为滑阀，起液压放大器的作用。

4·Increasing the input signal to the amplifier results in a corresponding increase in output current to the valve solenoid.

增加放大器地输入信号会导致输出到阀电磁铁的电流相应的增加。

5·This system was composed of industrial control computer, PCL-832 servo-type motor control board, servo-type amplifier, servo-type valve and hydraulic motor.

该系统主要由工业控制计算机、PCL—832三轴伺服马达控制板、伺服放大器、伺服阀、液压马达等组成。

6·In this paper, the electro-hydraulic servo system is valve-controlled motor, mainly include electro-hydraulic servo valves, amplifier, hydraulic motors, and other feedback components.

本文中电液伺服系统为阀控马达系统，主要包括电液伺服阀、放大器、液压马达、反馈元件等。

7·The electro-hydraulic servo unit which the system used, is the digital electro-hydraulic servo unit, the servo amplifier is embedded in the electro-hydraulic servo valve;

系统的电液伺服装置为数字式电液伺服装置，其中，伺服放大器嵌入在电液伺服阀中；