TY - JOUR T1 - Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF JO - IEEE Transactions on Industry Applications PY - 2004/11/01 AU - Shen JX AU - Zhu ZQ AU - Howe D ED - DO - DOI: 10.1109/TIA.2004.836157 VL - 40 IS - 6 SP - 1629 EP - 1636 Y2 - 2025/11/14 ER -