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Nonlinear control strategies of variable speed constant frequency(VSCF) wind power generator systems, especially passivity-based control(PBC) methods, have been a focus in the literature. The main purpose of this paper is to develop a control algorithm that forces the wind driven doubly fed induction generator(DFIG) to track reference flux and speed trajectories with time-varying load torque. To achieve...
This paper deals with the chaos phenomenon of doubly fed induction generator(DFIG). The Takagi-Sugeno (T-S) fuzzy model of DFIG chaos system is built. Based on the fuzzy Lyapunov function approach, a robust optimal controller is designed in the form of linear matrix inequality (LMI). Thus the chaos of DFIG with parametric uncertainties is eliminated. The simulation result shows that the fuzzy optimal...
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