High-Performance Speed Sensorless Direct Torque Control of PMSM
2011 ◽
Vol 130-134
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pp. 2828-2831
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Keyword(s):
A high-performance speed sensorless direct torque control (DTC) system of permanent magnet synchronous motor (PMSM) is presented in this paper. The stator flux linkage, speed, rotor position and load torque of PMSM are observed using a fourth-order Extended Kalman Filter (EKF) and a second-order Kalman Filter (KF) and the observed load torque is used for feed-forward compensation of reference torque. Simulation results clearly demonstrate the performance of speed can be improved when load torque is changed and the validity of the proposed control strategy.
2011 ◽
Vol 328-330
◽
pp. 1667-1670
2012 ◽
Vol 614-615
◽
pp. 1570-1573
2012 ◽
Vol 220-223
◽
pp. 1040-1043