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Optimal resilient tracking control of switched systems under denial-of-service attacks

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  • Chen, Chen
  • Wang, Lijie

Abstract

This article investigates the optimal output tracking problem for linear switched systems under DoS attacks. In contrast to early results which only consider the stability of switched systems under DoS attacks, the proposed control scheme can ensure the stability of the system while optimizing the system performance. Firstly, an augmented system is constructed based on the physical objects and command generator. Then, a Riccati equation of such an augmented system with DoS attacks is provided, and the optimal control scheme is obtained by iterative algorithm. Furthermore, to better align with practical scenarios, in this article, some restrictions on the instants of DoS attacks and switchings are removed, that is, multiple switchings are allowed during both active and inactive intervals of DoS attacks. In addition, the quantitative relationship regarding the duration and frequency of DoS attacks and the switching law is provided, which plays a key role in ensuring the stability of switching system under attacks. Finally, numerical examples are provided to demonstrate the effectiveness of the proposed method.

Suggested Citation

  • Chen, Chen & Wang, Lijie, 2024. "Optimal resilient tracking control of switched systems under denial-of-service attacks," Chaos, Solitons & Fractals, Elsevier, vol. 189(P1).
    • Handle: RePEc:eee:chsofr:v:189:y:2024:i:p1:s0960077924012001
    DOI: 10.1016/j.chaos.2024.115648
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