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。
The mathematical models of the proportional solenoids coil current were provided and the control method for electro-hydraulic proportional amplifier was analyzed.
在此基础上对电液比例放大器的控制方法进行了分析并给出了具体电路；
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