Observer-Based Event-Triggered Control for Networked Linear Systems Subject to Denial-of-Service Attacks

This paper is concerned with the observer-based event-triggered control for a continuous networked linear system subject to denial-of-service (DoS) attacks, where the attacks are launched periodically to block the data transmission in control channels. First, a new observer state-based resilient eve...

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Bibliographic Details
Published in:IEEE transactions on cybernetics 2020-05, Vol.50 (5), p.1952-1964
Main Authors: Hu, Songlin, Yue, Dong, Han, Qing-Long, Xie, Xiangpeng, Chen, Xiaoli, Dou, Chunxia
Format: Article
Language:English
Subjects:
Cyber-physical systems (CPSs)
Data transmission
Decay rate
Denial of service attacks
denial-of-service (DoS) attacks
Denial-of-service attack
Event triggered control
Intelligent sensors
Jamming
Linear matrix inequalities
Linear systems
networked control systems (NCSs)
Observers
Offshore engineering
Offshore structures
piecewise Lyapunov–Krasovskii functional
Power system stability
resilient event-triggered communication scheme
Stability analysis
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Summary:This paper is concerned with the observer-based event-triggered control for a continuous networked linear system subject to denial-of-service (DoS) attacks, where the attacks are launched periodically to block the data transmission in control channels. First, a new observer state-based resilient event-triggering scheme is developed in the presence of DoS attacks. Second, a novel event-based switched system model is established by considering the effect of the event-triggering scheme and DoS attacks simultaneously. By virtue of this new model combined with a piecewise Lyapunov-Krasovskii functional method, the sufficient conditions are derived to guarantee exponential stability of the resulting switched system. It is shown that the proposed results can establish a quantitative relationship among the launching/sleeping periods of the attacks, the event-triggering parameters, the sampling period, and the exponential decay rate. Third, criteria for designing a desired observer-based event-triggered controller are provided and expressed in terms of a set of linear matrix inequalities. Finally, an offshore structure model is presented to illustrate the efficiency of the developed control method.
ISSN:2168-2267
2168-2275
DOI:10.1109/TCYB.2019.2903817