TY - CONF T1 - Effect of multipole magnetization of a permanent magnet ring on the cogging torques and back EMF waveforms of a BLDCM JO - Proceedings of the 2nd Chinese International Conference on Electrical Machines PY - 1995/01/01 AU - Jewell GW AU - Riley CD AU - Howe D ED - Y2 - 2024/12/22 ER -