Abstract
Finite set model predictive control (FS-MPC) has been inducted for motor drive system. The dynamic response of FS-MPC is one of the major factors that stands out amongst the controller family. Nevertheless, the motor speed regulation required additional control and generally a conventional proportional-integral (PI) controller is used. This paper presents a two-degree-of-freedom (2-DOF) control strategy to enhance the dynamic performance of motor speed regulation. The 2-DOF control design is consisting of a conventional PI controller and an additional proportional gain as a feedforward loop. The 2-DOF control along with FS-MPC is employed for the permanent magnet synchronous motor (PMSM) drive system. The step change in load disturbance as well as reference speed is considered for the comparative analysis of the controllers for the motor drive system. The simulation model is developed in MATLAB/Simulink using dedicated System Generator blockset for digital system based controller design for comparative analysis.
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