| Sensorless Full-Digital PMSM Drive With Extended Kalman optimum Estimation of Speed and Rotor Position is proposed in this paper0 Math model of PMSM and the theory of EKE is analyzed in detail0 Linearization of nonlinear equation of motor driver using a ? ,8 reference frame0 Real-time optimal estimation online of motor position 0 and speed co of PM utilizing Extended Kalman filter (EKE)O An advantage of this idea is realization of speed control needs only terminal voltage and phase current of motor driver according to the model of motor driver0 The simulation in the environment of Matlab 5.3 show, that this method has good motor position tracking performance and rather good speed tracking performance0 Moreover, ability of anti-disturbance of load is the remarkable feature of this system and at the same time, the controlling performance is pretty good0 It is shown this method makes it0... |
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