Performance Study of Sliding Mode Speed Controller for Induction Motor Vector Control Using MATLAB/SIMULINK

Year 2022, Volume: 6 Issue: 3, 65 - 72, 30.09.2022

Abdülhamit Nurettin Nihat İnanç

Abstract

The sliding mode controller SMC is an advanced controller that can be applied to non-linear systems; thus, it is a convenient control technology for asynchronous motor control. But the discontinuous control of the control law causes the chattering in the system's trajectories (oscillation around the desired value). This causes various unwanted effects such as current harmonics and torque ripple. While the experimental control coefficients found in the control law have a clear effect on limiting chattering and the system response speed. Therefore, in this paper, the performance of the sliding mode speed controller for a three-phase induction motor IM controlled by the technique of rotor flux orientation is studied to obtain optimum performance. The designed sliding mode controller was verified by practical approximation of simulations using MATLAB/SIMULINK. The simulation results showed the effect of experimental control coefficients on reducing the chattering phenomenon and improving the system performance.

Keywords

Sliding mode control, Field-Oriented Control, Induction motor, MATLAB/SIMULINK

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