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Observer-Based H ∞ Load Frequency Control for Networked Power Systems with Limited Communications and Probabilistic Cyber Attacks

Author

Listed:
  • Yixuan Ge

    (School of Electrical and Automation, Nanjing Normal University, Nanjing 210046, China)

  • Guobao Liu

    (School of Electrical and Automation, Nanjing Normal University, Nanjing 210046, China)

  • Guishu Zhao

    (School of Electrical and Automation, Nanjing Normal University, Nanjing 210046, China)

  • Huai Liu

    (School of Electrical and Automation, Nanjing Normal University, Nanjing 210046, China)

  • Ji Sun

    (School of Electrical and Automation, Nanjing Normal University, Nanjing 210046, China)

Abstract

This paper studies load frequency control (LFC) for networked power systems with limited communications and probabilistic cyber attacks. Some restrictions exist during the information transmission, which can impair behavior and lead to instability of power systems. Throughout this paper, we consider such power systems that involve multi-path missing measurements and input–output time-varying delays as well as cyber attacks in the communication channels. A feedback controller is presented, which is based on the observer to implement H ∞ LFC for power systems with disturbance rejection level γ . By Lyapunov stability theory, adequate criteria are given to ensure the stable operation of power systems. Finally, the validity of theoretical analysis is demonstrated and illustrated by numerical simulations.

Suggested Citation

  • Yixuan Ge & Guobao Liu & Guishu Zhao & Huai Liu & Ji Sun, 2022. "Observer-Based H ∞ Load Frequency Control for Networked Power Systems with Limited Communications and Probabilistic Cyber Attacks," Energies, MDPI, vol. 15(12), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4234-:d:834497
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    References listed on IDEAS

    as
    1. Wenxi Feng & Yanshan Xie & Fei Luo & Xianyong Zhang & Wenyong Duan, 2021. "Enhanced Stability Criteria of Network-Based Load Frequency Control of Power Systems with Time-Varying Delays," Energies, MDPI, vol. 14(18), pages 1-22, September.
    2. Zhenghao Wang & Yonghui Liu & Zihao Yang & Wanhao Yang, 2021. "Load Frequency Control of Multi-Region Interconnected Power Systems with Wind Power and Electric Vehicles Based on Sliding Mode Control," Energies, MDPI, vol. 14(8), pages 1-15, April.
    3. Wang, Yingchun & Yan, Wei & Zhang, Huaguang & Xie, Xiangpeng, 2022. "Observer-based dynamic event-triggered H∞ LFC for power systems under actuator saturation and deception attack," Applied Mathematics and Computation, Elsevier, vol. 420(C).
    4. Fei Zhao & Jinsha Yuan & Ning Wang & Zhang Zhang & Helong Wen, 2019. "Secure Load Frequency Control of Smart Grids under Deception Attack: A Piecewise Delay Approach," Energies, MDPI, vol. 12(12), pages 1-15, June.
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