TY - JOUR T1 - Analytical optimisation of external rotor permanent magnet machines JO - Iet Electrical Systems in Transportation PY - 2013/06/01 AU - Chu W AU - Zhu Z AU - Shen Y ED - DO - DOI: 10.1049/iet-est.2012.0045 VL - 3 IS - 2 SP - 41 EP - 49 Y2 - 2025/11/14 ER -