Comparative analysis of direct torque control and DTC based on sliding mode control for PMSM drive

This paper firstly introduces the mathematical equations of PMSM (permanent magnet synchronous motor), an overview of direct torque control (DTC) and a DTC based on sliding mode control for PMSM, and then builds PMSM control system simulation models with above two methods in MATLAB /Simulink environment. Finally, we got the starting response, torque ripple and load perturbation responses of DTC and SMC-DTC by comparison the simulation results of the two models.

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