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In this paper, a method is proposed to design a robust controller for fuzzy parametric uncertain systems. An uncertain LTI system with fuzzy coefficients is referred as fuzzy parametric uncertain system. In this work the fuzzy coefficients are approximated by intervals (crisp sets) using the nearest interval approximation approach to get an interval system. Then a robust PI/PID controller is designed...
A new tuning method is proposed for fuzzy PID controller based on internal model control theory. First, the analytical model of the fuzzy PID controller is expressed as a linear PID controller plus a nonlinear compensation item. Then, the internal model control method can be used to approximately design the parameters of fuzzy PID controller analytically. Finally, stability of the fuzzy PID control...
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