ADRC-based model predictive torque control for PMSMs fed by three-phase four-switch inverters
- Publication Type:
- Conference Proceeding
- Chinese Control Conference, CCC, 2016, 2016-August pp. 4550 - 4555
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© 2016 TCCT. An automatic disturbance rejection control (ADRC)-based model predictive torque control (MPTC) strategy is developed for permanent magnet synchronous motors (PMSMs) fed by three-phase four-switch inverters. The model of a PMSM fed by a three-phase four-switch inverter is built firstly. Then the ADRC and MPTC are respectively designed. The resultant ADRC-based MPTC PMSM fed by an unhealthy inverter is fault-tolerant effective with dynamical performance very close to an ADRC-based MPTC PMSM fed by a healthy inverter. On the other hand, compared with PI-based MPTC PMSM fed by unhealthy inverter, it possesses better command-following characteristics and stronger robustness as well as smaller THD value in the presence of variations of reference speed and load torque. The simulation results validate the feasibility and effectiveness of the proposed scheme.
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