Abstract

This paper presents the application of the continuous model predictive control (C-MPC) for the direct torque control (DTC) of a permanent magnet synchronous motor (PMSM). The C-MPC is designed for the direct regulation of the components of the stator flux and the electromagnetic torque of the PMSM. A linear state-space model based on a feedback linearization of the PMSM is used to formulate the controller. The control signals are applied to the PMSM via a power inverter through a pulse width modulator (PWM). The proposed controller is formulated as a constrained optimization problem, where the voltage applied to the motor is selected as the control input and restricted to the power inverter's linear region. Simulation results are presented to demonstrate the effectiveness of the proposed control scheme.

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