TY - JOUR T1 - Sensorless Direct Torque Control of PMSM Drive with EKF Estimation of Speed, Rotor Position and Load Torque Observer AU - , Said Benaggoune AU - , Sebti Belkacem AU - , Rachid Abdessemed JO - Asian Journal of Information Technology VL - 6 IS - 2 SP - 236 EP - 242 PY - 2007 DA - 2001/08/19 SN - 1682-3915 DO - ajit.2007.236.242 UR - https://makhillpublications.co/view-article.php?doi=ajit.2007.236.242 KW - DTC KW -Extended Kalman Filter (EKF) KW -Permanent Magnet Synchronous Motor (PMSM) KW -control KW -sensorless KW -load torque observer AB - This study presents the estimation of speed, rotor position and load torque of a robust sensorless Direct Torque Control (DTC) method for Permanent Magnet Synchronous Motor (PMSM) based on the Extended Kalman Filter (EKF). The model of PMSM and its EKF models in MATLAB/Sirnulink simulation environment are developed. The proposed EKF speed position estimation method is also proved insensitive to the PMSM parameter variations. Simulation results demonstrate a good performance and robustness. ER -