TY - JOUR T1 - Investigation of torque-speed characteristics and cogging torque of fractional-slot IPM brushless AC machines having alternate slot openings JO - IEEE Transactions on Industry Applications PY - 2012/01/01 AU - Azar Z AU - Zhu ZQ AU - Ombach G ED - DO - DOI: 10.1109/TIA.2012.2190962 VL - 48 IS - 3 SP - 903 EP - 912 Y2 - 2025/01/03 ER -