Sensorless Speed Control of Surface PMSM using DTC Control Based on Extended Kalman Filter
نویسنده
چکیده
_ Speed control of permanent magnet synchronous motor (PMSM) using Direct Torque Control has rapid response and good static and dynamic performance but less accurate since current, torque and flux linkage wave forms contain big ripples. To overcome these disadvantages stator flux linkage and rotor speed are estimated using Extended Kalman Filter. Therefore, sensorless speed control of surface permanent magnet synchronous motor using DTC control based on Extended Kalman Filter is realized. Simulation results have proved that this method has rapid torque response of DTC control as well as robust to motor parameters and load disturbance because of EKF. Key words__ Permanent magnet synchronous motor, Direct Torque Control, Stator flux linkage observation, Extended Kalman filter, Sensorless Speed control.
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