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Author:

Chen, Wen-Di (Chen, Wen-Di.) | Niu, Ben (Niu, Ben.) | Wang, Huan-Qing (Wang, Huan-Qing.) | Li, Hai-Tao (Li, Hai-Tao.) | Wang, Ding (Wang, Ding.)

Indexed by:

EI Scopus SCIE

Abstract:

An adaptive event-triggered control strategy for non-strict feedback nonlinear cyber-physical systems with time delays against deception attacks and actuator faults is presented. The most prominent difficulty lies in after the system signals are damaged by malicious deception attacks, all the exact states in the system are unavailable. Another design difficulty is the common existence of unknown nonlinearities and time-varying time delays, which makes it difficult to get the desired controller. Thus, to stabilize the studied cyber-physical systems, an unusual coordinate transformation is presented, where the attack gains and the problem of unavailability of states are considered simultaneously. Furthermore, the effect of the malicious deception attacks on the studied system is tackled by using Nussbaum technology and designing the Lyapunov functions with the attack gains. The unknown nonlinear functions, the mismatch problem for the control input caused by the nonlinearities of time-varying time delays are processed by neural networks technology and Lyapunov-Krasovskii functions. As a result, a controller based on event-triggered mechanism is constructed to reduce the waste of communication resources. The presented control strategy can ensure the signals in the closed-loop system are bounded. Finally, the Matlab simulation experiments are showed to verify the effectiveness of the developed strategy. Note to Practitioners-This paper studies the adaptive event-triggered control strategy for non-strict feedback nonlinear cyber-physical systems with time delay under deception attacks and actuator faults. Cyber-physical systems are widely used in power system, aviation system and other practical systems. However, due to the openness of network communication channels, attackers are prone to transmitting incorrect data to controllers and actuators, resulting in unusable system states, which is a challenging problem to ensure system stability by only using the compromised system states. In addition, the safety control problem of cyber-physical systems with time delays and actuator faults is investigated simultaneously, which poses significant challenges to the design of an desired controller. Therefore, by constructing Lyapunov functions and designing adaptive laws, not only the system under deception attacks is stabilized, but also the control strategy studied is made more practical.

Keyword:

actu-ator faults Nussbaum technology event-trigged mechanism Index Terms-Nonlinear cyber-physical systems deception attacks

Author Community:

  • [ 1 ] [Chen, Wen-Di]Shandong Normal Univ, Sch Informat Sci & Engn, Jinan 250014, Peoples R China
  • [ 2 ] [Niu, Ben]Shandong Normal Univ, Sch Informat Sci & Engn, Jinan 250014, Peoples R China
  • [ 3 ] [Wang, Huan-Qing]Bohai Univ, Sch Math & Phys, Jinzhou 121000, Liaoning, Peoples R China
  • [ 4 ] [Li, Hai-Tao]Shandong Normal Univ, Sch Math & Stat, Jinan 250014, Peoples R China
  • [ 5 ] [Wang, Ding]Beijing Univ Technol, Sch Informat Technol, Beijing 100124, Peoples R China
  • [ 6 ] [Wang, Ding]Chinese Acad Sci, Inst Automation, State Key Lab Management & Control Complex Syst, Beijing 100190, Peoples R China

Reprint Author's Address:

  • [Niu, Ben]Shandong Normal Univ, Sch Informat Sci & Engn, Jinan 250014, Peoples R China;;

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Source :

IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING

ISSN: 1545-5955

Year: 2023

Issue: 3

Volume: 21

Page: 4106-4116

5 . 6 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count: 18

SCOPUS Cited Count: 22

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

Affiliated Colleges:

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