用有限差分的方法求解电机电枢槽气隙磁位分布-With the finite difference method for solving the air-gap magnetic armature slot distribution

异槽式单叠绕组直流电机换向性能研究Different slot type single lap winding DC motor commutation performance research-Different slot type single lap winding DC motor commutation performance research

不等宽永磁体削弱表面永磁电机齿槽转矩方法The permanent magnet surface of unequal width weakening cogging torque of permanent magnet motor method-The permanent magnet surface of unequal width weakening cogging torque of permanent magnet motor method