期刊
IEEE TRANSACTIONS ON AUTOMATIC CONTROL
卷 65, 期 8, 页码 3714-3721出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAC.2019.2953210
关键词
Cyclic dwell-time switching; observer-based control; periodic denial-of-service (DoS) attacks; piecewise linear Lyapunov functions; unstable subsystems
资金
- National Natural Science Foundation of China [61973131, 61603221, U1813201]
- Scientific Research Funds of Huaqiao University [605-50Y19010]
- Australian Research Council [DP120104986]
- NSW Cyber Security Network in Australia [P00025091]
This article studies the observer-based output feedback control problem for a class of cyber-physical systems with periodic denial-of-service (DoS) attacks, where the attacks coexist both in the measurement and control channels in the network scenario. The periodic DoS attacks are characterized by a cyclic dwell-time switching strategy, such that the resulting augmented system can be converted into a class of discrete-time cyclic dwell-time switched systems including a stable subsystem and an unstable subsystem. By means of a cyclic piecewise linear Lyapunov function approach, the exponential stability and l(2)-gain analysis, and observer-based controller design are carried out for the augmented discrete-time cyclic switched system. Then, the desired observer and controller gains in piecewise linear form are determined simultaneously so as to ensure that the resulting closed-loop system is exponentially stable with a prescribed H-infinity performance index. Finally, a practical application of unmanned ground vehicles under periodic DoS attacks is provided to verify the effectiveness of the developed control approach.
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