此程序为三环伺服系统的PID控制算法仿真，其中三环为位置环、速度环和电流环。-procedure for the three-ring servo system PID control algorithm simulation, which tricyclic ring for position, velocity and current loop Central.

此程序为三环伺服系统的PID控制算法仿真，其中三环为位置环、速度环和电流环。-procedure for the three-ring servo system PID control algorithm simulation, which tricyclic ring for position, velocity and current loop Central.