Saidi, Youcef, Abdelkader Mezouar, Yahia Miloud, Mohammed Amine Benmahdjoub, Brahim Brahmi, and Kamel Djamel Eddine Kerrouche. 2021. “Lyapunov Function Based Flux and Speed Observer Using Advanced Non-Linear Backstepping DVC for PWM-Rectifier Connected Wind-Turbine-Driven PM Generator”. Periodica Polytechnica Electrical Engineering and Computer Science 65 (3):174-85. https://doi.org/10.3311/PPee.17005.