Direct adaptive control and robust analysis for unknown multivariable nonlinear systems with fuzzy logic systems

In this paper, we are dealing with the problem of controlling an unknown nonlinear dynamical system modeled by fuzzy logic systems. In the ideal case of complete model matching, convergence of the state to zero plus boundedness of all signals in the closed loop system is ensured. Moreover, the robustness of the controller designed in the ideal case is given in the framework of singular perturbation theory.

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