Tuning Extended Kalman Filter for Induction Motor Drives using Simulated Annealing

S. Buyamin and J.W. Finch (UK)


Simulated Annealing, Induction Motor, Extended Kalman Filter (EKF) and Optimisation


The use of an Extended Kalman Filter as an observer for a sensorless Induction Motor is longstanding. However, little attempt has been made to optimise the filter performance. This paper proposes a Simulated Annealing algorithm to solve the tuning process of the EKF covariance matrices. The optimisation technique of EKF using Simulated Annealing is illustrated through simulation implementation by constant V/f control of an IM. The paper concentrates on finding the setting of the EKF parameters and the performance is compared to use of trial and error.

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