网络攻击下基于观测器的信息物理系统输出反馈控制

兰州理工大学学报 ›› 2023, Vol. 49 ›› Issue (4): 74-81.

• 自动化技术与计算机技术 • 上一篇下一篇

网络攻击下基于观测器的信息物理系统输出反馈控制

祝超群^*1,2,3, 贾玄¹

1.兰州理工大学电气工程与信息工程学院, 甘肃兰州 730050;
2.兰州理工大学甘肃省工业过程先进控制重点实验室, 甘肃兰州 730050;
3.兰州理工大学电气与控制工程国家级实验教学示范中心, 甘肃兰州 730050

收稿日期:2021-10-31 出版日期:2023-08-28 发布日期:2023-08-29
通讯作者: 祝超群(1977-),男,新疆塔城人,博士,副教授. Email:chaoqunzhu@yeah.net
基金资助:
国家自然科学基金(61863026,61563031),甘肃省科技重大专项(21ZD4GA028),甘肃省高等学校产业支撑引导项目(2019C-05)

Observer-based output feedback control of cyber-physical systems under cyber attacks

ZHU Chao-qun^1,2,3, JIA Xuan¹

1. College of Electrical and Information Engineering, Lanzhou Univ. of Tech., Lanzhou 730050, China;
2. Key Laboratory of Gansu Advanced Control for Industrial Processes, Lanzhou Univ. of Tech., Lanzhou 730050, China;
3. National Demonstration Center for Experimental Electrical and Control Engineering Education, Lanzhou Univ. of Tech., Lanzhou 730050, China

Received:2021-10-31 Online:2023-08-28 Published:2023-08-29

摘要/Abstract

摘要： 针对信息物理系统中随机发生的虚假数据注入攻击和数据包丢失现象,提出了一种基于观测器的信息物理系统输出反馈安全控制方法.首先,考虑到虚假数据注入攻击和数据包丢失的影响,建立了一类具有网络攻击、数据包丢失和外部扰动等多种约束参数的马尔可夫跳变系统模型;其次,借助李雅普诺夫稳定性理论、随机系统理论和线性矩阵不等式方法给出系统随机稳定的充分条件,进而设计了具有给定H_∞性能的信息物理系统输出反馈控制器;最后,通过仿真实例验证了所提控制方法的正确性和有效性.

关键词: 信息物理系统, 马尔可夫跳变系统, 虚假数据注入攻击, 数据包丢失, 输出反馈控制

Abstract: An observer-based output feedback control strategy is investigated for security control problem of cyber-physical systems (CPS) subject to false data injection (FDI) attacks and packet dropouts. Firstly, the closed-loop Markov jump system model with FDI attacks, packet dropouts and external disturbance is established by considering the effects of FDI attacks and the case of packet dropouts. Then, the sufficient conditions for the closed-loop system to be stochastic stability are conducted by utilizing the Lyapunov theory, the stochastic analysis technology and linear matrix inequality approach, and the observer-based output feedback controller is derived with the prescribedH_∞ performance. Finally, an illustrative example is given to demonstrate the effectiveness of the proposed method.

Key words: cyber-physical systems, Markov jump system, false data injection attack, packet dropout, output feedback control

中图分类号:

TP273

祝超群, 贾玄. 网络攻击下基于观测器的信息物理系统输出反馈控制[J]. 兰州理工大学学报, 2023, 49(4): 74-81.

ZHU Chao-qun, JIA Xuan. Observer-based output feedback control of cyber-physical systems under cyber attacks[J]. Journal of Lanzhou University of Technology, 2023, 49(4): 74-81.

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网络攻击下基于观测器的信息物理系统输出反馈控制

Observer-based output feedback control of cyber-physical systems under cyber attacks

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