Title :
Robust nonlinear predictive control of a permanent magnet synchronous motor
Author :
Errouissi, Rachid ; Ouhrouche, Mohand ; Chen, Wen-Hua
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of New Brunswick, Fredericton, NB, Canada
Abstract :
A robust nonlinear predictive controller with a disturbance observer for a permanent magnet synchronous motor (PMSM) is presented. As the disturbance relative degree is less than that of the input, it is quite challenging to adopt the existing disturbance observer-based predictive control techniques. In the proposed controller, robustness of the closed loop system with respect to mismatched parameters and unknown load torque is significantly improved. Stability of the closed-loop system is proved, and the controller is easy to implement. Validity of the proposed controller was experimentally tested on a dSPACE DS1104 board driving a 0.25 kW PMSM drive. Excellent results were obtained with respect to the speed trajectory tracking performance and robustness.
Keywords :
closed loop systems; nonlinear control systems; observers; permanent magnet motors; predictive control; robust control; synchronous motor drives; PMSM drive; closed loop system; dSPACE DSll04 board; disturbance observer; load torque; mismatched parameter; permanent magnet synchronous motor; power 0.25 kW; robust nonlinear predictive controller; stability; Robots; Robustness; Permanent magnet synchronous motor (PMSM); disturbance observer; nonlinear predictive control (NPC); predictive generalized minimum variance (PGMV); robustness; stability;
Conference_Titel :
IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society
Conference_Location :
Montreal, QC
Print_ISBN :
978-1-4673-2419-9
Electronic_ISBN :
1553-572X
DOI :
10.1109/IECON.2012.6388980