regulating loop

The paper establishes a double-loop control model suitable for three-phase electric regulating valve with large capacity, presents the mathematical model of the velocity generator, which takes increment of valve position as input, and the velocity control strategy for fuzzy parameter self-aligning PID.

本文构建了适用于大流量三相电动调节阀的双闭环控制模型，提出了以阀位增量为输入量的速度发生器的数学模型和模糊参数自整定PID的速度控制策略。

The regulation algorithm of closed-loop current of control system is improved, and the regulating methods of the traditional PID and parameter self-regulation Fuzzy-PID are applied respectively at different operating states.

同时对控制系统的电流闭环调节算法进行了改进，提出在不同运行状态下分别采用常规PID和参数自整定Fuzzy-PID控制方法，增强了控制系统的自适应能力。

ZT-3 rotor test bed in Department of Mechanical Engineering in Southeast University is a DC motor centered open-loop control system, which speed is controlled by regulating the regulator manually.

东南大学机械系现有的转子实验台ZT-3是一个手动调节调压器来控制直流电动机转速的开环控制系统，配以相关设施可以完成学生测控、振动方面的实验。

After the dynamic configuration of speed loop is studied, its regulating manner is selected to meet the demand of no error and anti-disturbance.

通过研究速度环的动态结构，选择速度环的调节方式，以满足速度环的无差与抗扰要求。

Although self-driving power head for combined machine tool has been obsolete, such typical speed-regulating loop as feed power supply still has a bright future due to its high speed-stiffness and efficiency.

虽然组合机用自驱式动力头已被淘汰，但作为其进给动力源的该调速回路，由于其速度刚性和效率均高，仍将有广泛的用途。