Abstract
This paper focuses on the problem of position tracking control for field-oriented induction motors with input saturation. In the scheme, an adaptive fuzzy control based on backstepping technique is designed. Fuzzy logic systems are used to approximate the unknown nonlinearities and the adaptive backstepping control is employed to construct controllers. The proposed adaptive fuzzy controllers guarantee the tracking error converge to a small neighborhood of the origin. Compared with the conventional backstepping, the designed fuzzy controllers’ structure is very simple. The simulation results show that the new controller overcomes the influences of the parameter uncertainties and guarantee a tracking performance.
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