This paper introduces an electrohydraulic control system based on PLC. A double close - loop control system with electro - hydraulic proportional valve is adopted.
一种基于PLC的电液自动控制系统，采用了电液比例阀的双闭环控制系统。
The double close loops of speed and current control is introduced in the system and the PI control is implemented in the current and speed loop, the position of rotor pole is detected by hall element.
系统采用电流、速度双闭环控制，电流、速度的调节采用PI调节，转子磁极位置通过霍尔元件检测。
Brushless motor control system design based on C8051 was introduced, speed and current double close loop control was realized.
论述了基于C8051的直流无刷电机控制系统设计，实现了速度、电流的双闭环控制。
This paper designed a double close loop control system based on current and voltage.
本文设计了电流闭环和电压闭环的双闭环控制系统。
The resolving Procedures represented by resolving set-integrator circuit and equivalent speed loop regulating circuit of double close oop SCR-D system.
以给定积分器电路和双闭环晶闸管供电直流调速系统中等效速度环调节回路为例，说明求解过程。
Finally, the indirect vector control system is made as the research target and double close loop control systems which contain synchronous current inside loop and speed outside loop are introduced.
首先对磁场定向控制理论进行了详细分析，比较后采用间接磁场定向的控制方法，并建立基于同步电流内环、转速外环的双闭环控制结构。
The software system includes the algorithm of double close loop based on fuzzy self tuning PI.
软件部分主要研究了模糊自整定PI双闭环控制算法。
The stability of the system is analyzed by small-signal, the results shows that the double integrator close-loop is a Phase-Locked-Loop (PLL) essentially.
采用小信号的方法对其稳定性进行分析。分析结果表明这种结构本质上具有锁相环的功能。
The stability of the system is analyzed by small-signal, the results shows that the double integrator close-loop is a Phase-Locked-Loop (PLL) essentially.
采用小信号的方法对其稳定性进行分析。分析结果表明这种结构本质上具有锁相环的功能。
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