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This paper present a direct adaptive fuzzy approach for a class of single-input-single-output (SISO) unknown non-affine nonlinear systems. A fuzzy logic system (FLS) is employed to approximate unknown plant nonlinearity. To update the adjustable parameters in FLS, a modified projection gradient algorithm is proposed which combines the advantage of projection gradient adaptive law and sigma - modification...
This paper studies the design of Hinfin tracking control for a class of uncertain nonlinear systems using multi-model switching in the presence of uncertainty and disturbance. First of all, T-S models are employed to model the uncertain nonlinear system. The input space is divided into multiple regions, in which the local T-S models are given and the corresponding controllers are designed Thereupon,...
This paper proposes a multi-model switching integrated control for a class of nonlinear systems based on terminal sliding mode control and T-S fuzzy control. This class of nonlinear systems has two control loops: the outer loop and inner loop. The resulting controller utilizes two-loop controller and provides robust tracking of the required tracks. First, the required virtual control input is determined...
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