Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operation torque.
反应式步进驱动电机的转子无绕组，由被励磁的定子绕组产生反应力矩实现步进运行。
2
Hybrid stepping motor rotor with permanent magnets, excitation and produced by permanent magnet electromagnetic torque realize stepping operation.
混合式步进电机的转子用永久磁钢，由励磁和永磁产生的电磁力矩实现步进运行。
3
To attenuate the vibration of a rotor system subjected to random excitation, a stochastic optimal control strategy for the vibration control was presented.