It s more complicated to calculate the cogging torque precisely,because it s related to many effects,such as the number of poles and tooth,poles-arc coefficient,kinds of slot and so on.

• 齿槽转矩是由永磁体磁场与磁槽之间相互作用而产生的,它会引起转矩脉动,甚至可能发生与电机共振的现象。