Mohammed Chikouche T, Mezouar A, Terras T, Hadjeri S. Variable Gain PI Controller Design For Speed Control of a Doubly Fed Induction Motor Using State-Space Nonlinear Approach. Eng. Technol. Appl. Sci. Res. [Internet]. 2013 Jun. 3 [cited 2025 Apr. 6];3(3):433-9. Available from: https://mail.etasr.com/index.php/ETASR/article/view/305