A sliding mode speed and flux control of a doubly fed induction machine

This paper, presents a Direct Field-Oriented Control (DFOC) of doubly fed induction machine (DFIM) motor mode with a variable structure control based on a sliding mode control (SMC). Our aim is to make the speed and the flux control robust to parameter variations. The use of the nonlinear sliding mode method provides very good performance for motor operation and robustness of the control law despite the external perturbation. The results show that the sliding mode controller has better performance, and it is robust against external load variation. To validate the proposed method, the simulation has been carried out using MATLAB-SIMULINK software and the results are presented.