TY - CONF T1 - Flux-weakening characteristics of trapezoidal back-emf machines in brushless DC and AC modes JO - Conference Proceedings - IPEMC 2006: CES/IEEE 5th International Power Electronics and Motion Control Conference PY - 2006/01/01 AU - Zhu ZQ AU - Shen JX AU - Howe D ED - DO - DOI: 10.1109/IPEMC.2006.297203 SN - 9781424404483 VL - 2 SP - 908 EP - 912 Y2 - 2025/01/03 ER -