TY - CONF T1 - Acoustic noise and vibration of direct-torque-controlled permanent magnet brushless DC drives JO - IET Conference Publications PY - 2012/01/01 AU - Leong JH AU - Zhu ZQ ED - DO - DOI: 10.1049/cp.2012.0264 IS - 592 CP Y2 - 2025/01/03 ER -