Abstract
In this paper, a class of interval type-2 Takagi–Sugeno (IT2 T–S) fuzzy interconnected system subjected to deception attacks is investigated by developing a state-dependent asynchronous intermittent control scheme. Whether control actions should be imposed or not is decided by an asynchronous activated mechanism in each subsystem, which contains two exponential attenuation surfaces and three state-dependent subregions. Besides, a switching controller is designed, which includes three sub-controllers with respect to above three subregions. Specially, this new type controller not only can avoid potential chattering behaviors resulted from the switchings among sub-controllers, but also can describe the attack signals as an intermittent nonlinear term to decrease the potential success rate of cyber intrusions. Moreover, under the concept of exponentially input-to-state stable (EISS), the concerned system is verified to be EISS by transforming the attack signals into a residual term. Finally, the validity of the proposed control strategy is verified by two illustrative examples.
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