Predictive control at fixed switching frequency for a dual three-phase induction machine with Kalman filter-based rotor estimator

Abstract

Classic finite-set model predictive control techniques are distinguished by a variable switching frequency which causes noise, large voltage and current ripple. This paper presents an enhanced predictive current control technique with fixed switching frequency applied to the six-phase drives and a Kalman Filter estimator. Simulation results are provided to show the efficiency of the current control algorithm using the mean square error and total harmonic distortion as a figures of merit, thus concluding that the system can work properly with this enhanced technique.