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Journal of Fundamental and Applied Sciences

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Appliacation of the Kalman filter in control systems of power electronics

M. V. Talanov, A. V. Karasev, V. M. Talanov

Abstract


Kalman filter can deal with measurement and modelling inaccuracies and, also, can be used for the join state estimation.Higher accuracy of the parameters estimation of a control object can increase the power efficiency of control systems in inverter-fed drives. This paper introduces the improved extended Kalman Filter (EKF) for the real-time speed estimation of an induction motor (IM) in the sensorless control system of inverter-fed drive.

Key words: power electronics, inverter-fed drive, extended Kalman Filter, sensorless vector
control system, microcontroller.




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