Joabe Amaral da Silva

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This work proposes a theoretical approach of gain-scheduled fuzzy PI control design based on gain and phase margins specifications for LPV (Linear and Parameters Varying) systems, in the continuous time domain. A mathematical formulation from the Takagi-Sugeno fuzzy model structure as well as the PDC (Parallel Distributed Compensation) strategy is(More)
In the design of modern and classical control systems, the first step is establish a suitable mathematical model to describe the behavior of the controlled plant (Takagi & Sugeno, 1985; Ying et al., 1990). However, in practical situations, such a requirement is not feasible because in practical control systems the plants are always nonlinear systems, which(More)
In this paper a robust fuzzy control design based on gain and phase margins specifications for nonlinear systems, in the continuous time domain, is proposed. A mathematical formulation based on Takagi-Sugeno fuzzy model structure as well as the PDC strategy is presented. Analytical formulas are deduced for the sub-controllers parameters, in the robust fuzzy(More)
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