TY - JOUR T1 - Simplified analytical optimization and comparison of torque densities between electrically excited and permanent-magnet machines JO - IEEE Transactions on Industrial Electronics PY - 2014/09/01 AU - Chu WQ AU - Zhu ZQ AU - Chen JT ED - DO - DOI: 10.1109/TIE.2013.2279119 VL - 61 IS - 9 SP - 5000 EP - 5011 Y2 - 2025/01/03 ER -