期刊
IEEE ACCESS
卷 7, 期 -, 页码 181032-181040出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2019.2959083
关键词
Cyber-physical system; DoS attacks; dynamic output feedback control; stability analysis
资金
- National Natural Science Foundation of China [61863026, 61563031]
- Industrial Support and Guidance Project for Higher Education of Gansu Province [2019C-05]
- Open Fund Project of Key Laboratory of Gansu Advanced Control for Industrial Process [2019KFJJ03]
This paper focuses on dynamic output feedback control of Cyber-Physical Systems (CPS) under Denial-of-Service (DoS) attacks. Firstly, by analyzing the different effects of DoS attacks on the sensorto-controller (S-C) channel and the controller-to-actuator(C-A) channel respectively, a switching system modeling method for the dynamic output feedback CPS is presented. Considering the bandwidth of the two channels is different and the energy limitation of the attacker, it is fair to assume that an attacker can only jam one communication channel at each time step and the maximum number of consecutive DoS attacks is bounded. Secondly, according to a packet-based transmission scheme, a nested switching model considering both the spatial variability and the temporal persistence of DoS attacks is constructed on the basis of the switching system. Then, the exponential stability condition of the dynamic output feedback CPS is obtained, and a controller design method based on linear matrix inequality is proposed. Finally, a simulation example is given to verify the effectiveness of the proposed method.
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