Plenary Lecture

Robust Fuzzy Control for Synchronous Machine with Uncertain Parameters

Professor Najat Ouaaline
University Hassan 1st, FSTS
Settat, Morocco
E-mail: najat.ouaaline@uhp.ac.ma

Abstract: This paper is concerned with the robust control problem of the synchronous machine systems with uncertain parameters. The uncertain non-linear model is first represented by a Takagi-Sugeno with several fuzzy IF-THEN rules. Next, based on these a T-S fuzzy model, a simple fuzzy controller is designed via the parallel distributed compensation (PDC) technique to realize the stabilization of our system. The robust stability of the closed-loop synchronous machine system are proved based on Lyapunov criterion, some sufficient conditions are derived and the common Pi is solved by linear matrix inequalities (LMI) toolbox of Matlab, so that the whole closed-loop fuzzy system with the synthesized fuzzy control is asymptotically stable. Furthermore, we also discuss the robustness of the closed loop system with perturbations. Finally, a Simulation results demonstrate that the designed fuzzy controller can stabilize the uncertain synchronous machine system.

Brief Biography of the Speaker: Najat Ouaaline graduated from the University Sidi Mohamed Ben Abdellah, faculty of science, Fes, Morocco in 1996, Laboratory of Electronics, Signals, Systems and Computers “LESSI”. She specialized in electronics and signal processing. Since 1997, she worked as a full-time professor in University Hassan 1st, Technical and science faculty in Settat, Morocco, where she actively was a member of the Engineering Didactics Laboratory and System Dynamics “L.I.D.D.S”, Department of Mathematics and Computer Science and as a research associate in the Laboratory of Automation and Computer Engineering “LA2I” at Mohammadia School of Engineers, University Mohammed V-Agdal, Rabat. Her research, interests now in the fuzzy modeling and fuzzy control applications to power electronics and particularly to synchronous and asynchronous machines, where she is involved in the research and development of systems on the application of fuzzy control in power electronics for renewable energy systems. Also, she is the Marocain National Contact Point (NCP) for the SMEs of the Seventh Framework Programme (FP7) of the European Community for research, technological development and demonstration activities. These NCP’s provide information and guidance to SMEs wishing to participate in EU research and are able to offer personalised support in the proposer’s own language. They are connected into an European network of contact points.

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