In this paper, a simple model of cogging torque, using torque superposition of waveforms phase-shifted from torque waveform of one poletransition over one slot, is presented.

• 采用一种简单的转矩计算模型，即一个磁极中心经过一个槽口所产生的齿槽拉力波形的移相叠加来近似整个永磁电机的齿槽转矩；