介绍了一种用功率谱估计来测量气隙磁通密度的方法,分析了该方法实现的理论可行性、具体的控制策略,并给出了原理框图和仿真结果。表明本方法能有效减小SR电机的转矩脉动,具有一定的应用价值。
Power spectrum estimation method of air gap magnetic flux density is used as scheme of SR motor torque ripple control. The feasibility of its realization theoretically is analyzed and given specific control strategy and principle block diagram.