Journal of Applied Engineering Science & Technology
Volume 1, Numéro 2, Pages 51-60
2015-03-20
Stability Analysis Of The Extended Kalman Filter For Permanent Magnet Synchronous Motor
Authors : Taibi Djamel . Titaouine Abdenacer . Benchabane Fateh . Bennis Ouafae .
Abstract
This paper presents a sensorless direct field oriented control fed interior permanent magnet synchronous motor (IPMSM) by using a known mathematical tool. The Kalman filter is an observer for linear and non-linear systems and is based on the stochastic intromission, in others words, noise. It is a question of studying the state and measurement noise covariance matrices Q and R on the stability of the Extended Kalman Filter. This last is used for the d, q stator current, mechanical speed, rotor position, stator resistance and the load torque estimation. The simulation tests carried out on Matlab Simulink showed that the matrix R improves much more quality of the estimated states while the matrix Q allows the improvement of the estimation process convergence.
Keywords
Permanent magnet synchronous machine; Direct filed oriented control; Extended Kalman filter; Estimation
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