Synchronization of Complex Dynamical Networks Subject to DoS Attacks: An Improved Coding-Decoding Protocol

This article investigates the synchronization of communication-constrained complex dynamic networks subject to malicious attacks. An observer-based controller is designed by virtue of the bounded encode sequence derived from an improved coding-decoding communication protocol. Moreover, taking the se...

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Vydáno v:IEEE transactions on cybernetics Ročník 53; číslo 1; s. 102 - 113
Hlavní autoři: Xing, Mengping, Lu, Jianquan, Qiu, Jianlong, Shen, Hao
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States IEEE 01.01.2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Average dwell-time (ADT) constraint
Coding
Communication
Communication channels
complex dynamic networks
Constraints
Control systems design
Data communication
Data transmission
Decoding
Denial of service attacks
denial-of-service (DoS) attacks
Denial-of-service attack
Dwell time
Encoding
improved coding–decoding protocol (CDP)
input-to-state stability (ISS)
Networks
Protocols
Stability
Stability criteria
Symmetric matrices
Synchronism
Synchronization
ISSN:2168-2267, 2168-2275, 2168-2275
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Shrnutí:This article investigates the synchronization of communication-constrained complex dynamic networks subject to malicious attacks. An observer-based controller is designed by virtue of the bounded encode sequence derived from an improved coding-decoding communication protocol. Moreover, taking the security of data transmission into consideration, the denial-of-service attacks with the frequency and duration characterized by the average dwell-time constraint are introduced into data communication, and their influence on the coder string is analyzed explicitly. Thereafter, by imposing reasonable restrictions on the transmission protocol and the occurrence of attacks, the boundedness of coding intervals can be obtained. Since the precision of data is generally limited, it may lead to the situation that the signal to be encoded overflows the coding interval such that it results in the unavailability of the developed coding scheme. To cope with this problem, a dynamic variable is introduced to the design of the protocol. Subsequently, based on the Lyapunov stability theory, sufficient conditions for ensuring the input-to-state stability of the synchronization error systems under the communication-constrained condition and malicious attacks are presented. The validity of the developed method is finally verified by a simulation example of chaotic networks.
Bibliografie:ObjectType-Article-1
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ISSN:2168-2267
2168-2275
2168-2275
DOI:10.1109/TCYB.2021.3090406