Journal
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
Volume 33, Issue 3, Pages 2219-2237Publisher
WILEY
DOI: 10.1002/rnc.6490
Keywords
DoS attacks; H-infinity control; resilient event-triggering scheme; sampled-based switching law; switched IT2 fuzzy systems
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This article focuses on the H-infinity control problem for event-triggered switched interval type-2 (IT2) fuzzy systems under denial-of-service (DoS) attacks. An acknowledgment (ACK) mechanism is introduced to detect and zero the input signal being attacked, and an event-triggering scheme resilient to DoS is presented to reduce network bandwidth pressure. Additionally, a sampled-based switching law is designed to ensure stability and exclude Zeno behavior.
This article focuses on the H-infinity control problem for event-triggered switched interval type-2 (IT2) fuzzy systems under denial-of-service (DoS) attacks. For a switched IT2 fuzzy system subject to DoS attacks, we introduce an acknowledgment (ACK) mechanism to detect DoS attacks. With the help of the ACK detection scheme, we take the initiative to zero the input signal being attacked. In this way, when the system is being attacked, we need not consider issues of controller premise variables not being updated and the controller mode unmatched with the plant mode. Then, an event-triggering scheme resilient to DoS is presented to reduce the bandwidth pressure of the network. Moreover, we design a sampled-based switching law to not only achieve the stability of switched systems but also exclude the Zeno behavior of switchings. Sufficient conditions are proposed to guarantee the stability with the H-infinity performance of switched IT2 fuzzy systems under DoS. Finally, we give two examples to testify the effectiveness of our results.
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