Abstract
A novel anti-windup model predictive control (MPC) method is proposed to deal with the controller output saturation for the nonlinear permanent magnet synchronous motor (PMSM) speed control system. The nonlinear PMSM speed control system is transformed into the time-varying linear system and the thresholds of system variables are converted to system constraints, furthermore, the linear MPC controller is designed to achieve anti-windup control with the system. At the same time, the oval invariant set is introduced to ensure the stability of the finite horizon MPC control system. With contrast to Anti-Windup PI, The simulation results verify that the MPC has excellent static and dynamic performance and strong robustness.
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