TY - JOUR T1 - Improved current-regulated delta modulator for reducing switching frequency and low-frequency current error in permanent magnet brushless AC drives JO - IEEE Transactions on Power Electronics PY - 2005/03/01 AU - Wipasuramonton P AU - Zhu ZQ AU - Howe D ED - DO - DOI: 10.1109/TPEL.2004.842957 VL - 20 IS - 2 SP - 475 EP - 484 Y2 - 2025/11/14 ER -