Calculation by theoretical analysis may ascertain the ideal rotate speed of variable-speedpump and ideal opening of regulating valve, completes adjust process at one time.
经理论分析计算，确定变速泵理想的转速，确定调节阀理想的开度，调节过程一次完成。
2
In this paper, the principle of variablespeedpump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.
给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。
3
The model of hydraulic motor pumpvariablespeed control system is built.