Sensorless field oriented control of PMSM based on the extended KALMAN filter observer

摘要

in this paper, a study of sensorless field oriented control applied to surface-mount permanent-magnet synchronous motor is presented, the motor has been described in a stationary two-axes reference frame (a,P), to overcome the uncertainties the internal, measurement noises, the non zero initial rotor position and the dynamic nonlinearity of PMSM, the extended kalman filter (EKF) is used as a robust observer. The speed and rotor position estimation of PMSM drive are obtained through an EKF algorithm, by simply measurement of the stator line voltages and currents. Good state estimation with EKF observer is proved by the simulation results.%Artykuł poświęcony jest bezczujnikowemu sterowaniu silnikiem synchronicznym z magnesami trwałymi. Jako odporny obserwator jest użyty filtr Kalmana. Prędkość I pozycja wirnika są określane na podstawie algorytmu filtru prze pomiar napięcia I prądu stojanas.