Abstract

AbstractThe performance limitation analysis of networked control systems (NCSs) with denial‐of‐service (DoS) attacks and external disturbances is studied in this paper. An optimal control strategy is proposed to solve the problem of performance limitation, and also an intrusion detection system (IDS) method is used to detect DoS attacks, so that DoS attacks have the least impact on NCSs. A non‐cooperative game model between IDS and DoS attackers is established, and the optimal packet delivery rate of NCSs is obtained by solving the Nash equilibrium (NE) strategy of the non‐cooperative game. An appropriate Lyapunov function is selected, and the accuracy of the definition is proved by the dynamic programming and mathematical induction. The derived results show that the performance limitation of NCSs is influenced by traditional constraints, DoS attacks, and external disturbances. Finally, some examples are given to show the effectiveness of the obtained theoretical results.

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