To proceed with induction motor speed control task, by using the passivity of motor rotor flux subsystems, a clear and simple design for the speed control systems with inner current-loops is presented.

• 摘要利用电机转子磁链子系统的无源性，给出带电流内环速度控制系统的一种简明设计，以达到控制感应电机速度之目的。