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Security control scheme for cyber-physical system with a complex network in physical layer against false data injection attacks

Author

Listed:
  • Zhao, Younan
  • Gu, Peng
  • Zhu, Fanglai
  • Liu, Tianyi
  • Shen, Runjie

Abstract

In this paper, based on finite-frequency domain H∞ control techniques, security control issues are investigated for a cyber-physical system (CPS) suffering from false data injection (FDI) attacks on sensors and actuators, where the real system in the physical layer is a complex network system. First, for each subsystem of the complex network system, an H∞ proportion integral (PI) observer is designed to estimate the system states and attack signals on the sensors and actuators simultaneously. Second, a state feedback controller with attack compensation is proposed using the estimates of the attack signals and the states. Thus, an observer-based security control strategy against FDI attack is set up and the stability analysis is accomplished by frequency domain H∞ control techniques. Finally, a simulation example is given to illustrate the better performance of the proposed methods compared with the traditional H∞ method.

Suggested Citation

  • Zhao, Younan & Gu, Peng & Zhu, Fanglai & Liu, Tianyi & Shen, Runjie, 2023. "Security control scheme for cyber-physical system with a complex network in physical layer against false data injection attacks," Applied Mathematics and Computation, Elsevier, vol. 447(C).
    • Handle: RePEc:eee:apmaco:v:447:y:2023:i:c:s0096300323000772
    DOI: 10.1016/j.amc.2023.127908
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    References listed on IDEAS

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    1. Jingyang Mao & Ying Sun & Xiaojian Yi & Hongjian Liu & Derui Ding, 2021. "Recursive filtering of networked nonlinear systems: a survey," International Journal of Systems Science, Taylor & Francis Journals, vol. 52(6), pages 1110-1128, April.
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    Cited by:

    1. Li, Xin & Lei, Anzhi & Zhu, Liangkuan & Ban, Mingfei, 2024. "Improving Kalman filter for cyber physical systems subject to replay attacks: An attack-detection-based compensation strategy," Applied Mathematics and Computation, Elsevier, vol. 466(C).
    2. Wang, Chen & Qi, Yiwen & Tang, Yiwen & Li, Xin & Ji, Ming, 2024. "Robust control with protected feedback information for switched systems under injection attacks," Applied Mathematics and Computation, Elsevier, vol. 475(C).

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