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Memory-based Event-Triggered Control for Networked Control System under Cyber-attacks
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  • Abdel Mouneim Khemissat,
  • Noureddine Nafir,
  • Mohamed Emad Farrag,
  • Mohamed Rouamel
Abdel Mouneim Khemissat
Universite du 20 Aout 1955 de Skikda

Corresponding Author:[email protected]

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Noureddine Nafir
Universite du 20 Aout 1955 de Skikda
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Mohamed Emad Farrag
Glasgow Caledonian University School of Computing Engineering and Built Environment
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Mohamed Rouamel
Universite du 20 Aout 1955 de Skikda
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Abstract

This paper focuses on the problem of stability for a class of linear networked control systems (NCSs) subjected to network communication delays and random deception attacks. A new memory event-triggered mechanism (METM) is proposed to reduce the unnecessary transmitted data through the communication channel and then enhance the network resources. In this context, a new memory stochastic state feedback controller is proposed to stabilize the closed-loop networked control system. A new randomly occurring deception attacks model is employed to deal with the security problem of NCSs. Sufficient stability conditions are derived based on a suitable Lyapunov-Krasovskii functional (LKF). The designed methodology is proposed in terms of linear matrix inequality to synthesize both event-triggered parameters and controller gains, and to reduce the conservatism of the system some integral lemma are exploited to bind the time derivative of the LKF. Finally, two numerical examples are presented to illustrate the effectiveness of the proposed method which provides a maximal upper bound value of the network induced of delay and less transmitted packet regarding the maximal value delay obtained in other works, so less conservatism results are obtained, compared to previous ones in the literature.