高压封闭回路系统 high pressure closed loop system
非闭合回路系统 open loop system
闭环回路伺服系统 closed-loop servo system
半封闭式回路系统 semi-closed circuit system
闭合回路控制系统 closed loop control system
闭回路控制系统 close-loop control system
闭合回路系统 [自] closed-loop system
低压闭合回路系统 low pressure closed loop system
闭合回路跟踪系统 closed loop tracking system
闭回路自动控制系统 closed loop automatic control system
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。
In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.
因此对工程机械行走驱动泵控马达闭式回路系统及关键液压元件开展研究将有重大意义。
Therefore the research of pump-control-motor closed-circuit for mobile hydraulics driving system and key hydraulic components will have great significance.
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