二相混合式步进电动机谐波转矩的仿真研究

Simulation Research on the Harmonic Torque of the 2-phase Hybrid Stepping Motor

分析了二相混合式步进电动机的谐波转矩,提出了一种采用电流前馈控制来减小谐波转矩的方法,并建立二相混合式步进电动机的模型,进行了仿真。仿真结果表明,这种方法能有效减小谐波转矩,降低步进电动机的振动。

This paper analyzes the harmonic torque of the 2-phase hybrid stepping motor and puts forword a method of using current feedforword control to reduce the harmonic torque.Further along,a simulation model of 2-phase hybrid stepping motor is established and the simulation is performed.The result of simulation verifies that with this method the harmonic torque is decreased and the vibration is weakened effectively.