Abstract
In this paper, an event-triggered disturbance attenuation and rejection scheme is proposed for nonlinear networked systems with limited bandwidth and multiple disturbances based on the interval type-2 Takagi-Sugeno fuzzy model. A fuzzy disturbance observer is constructed to estimate the disturbance generated by the exogenous system, and then such kind of disturbance can be rejected. Sufficient conditions are presented such that a fuzzy H∞ controller can be designed to guarantee the stability of the resulting closed-loop system with a prescribed performance index, regardless of disturbances. An event-triggered control scheme is designed to reduce the frequency of the controller updating and thus save the network resources. A numerical example is given to demonstrate the validity of the new design methods presented.
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