In this paper, a fuzzy controller design problem is considered for nonlinear perturbed ship steering systems. The nonlinear perturbed ship steering system is transformed into a Takagi-Sugeno (T-S) fuzzy model, which has similar dynamics to the original nonlinear system. By using linear feedback controller design technology, a nonlinear fuzzy controller is developed for the perturbed T-S type ship steering model. Building on the nonlinear fuzzy controller, a number of most important performance constraints in fuzzy control systems are addressed. These include stability conditions, minimum control input energy, and individual state variance constraints. Finally, a numerical simulation is given to show the effects of the proposed fuzzy control methodology.
Fuzzy control with input energy and state variance constraints for perturbed ship steering systems
International Journal of Computer Applications in Technology ; 27 , 2-3 ; 133-143
2006
11 Seiten, 27 Quellen
Aufsatz (Zeitschrift)
Englisch
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