Journal
IEEE TRANSACTIONS ON CYBERNETICS
Volume 50, Issue 1, Pages 48-60Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCYB.2018.2863689
Keywords
Delta domain; denial-of-service (DoS) attack; game theory; resilient control; wireless networked control system (WNCS)
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Funding
- National Natural Science Foundation of China [61627810, 61320106010, 61633003, 61661136007, 61603021]
- Program for Changjiang Scholars and Innovative Research Team [IRT 16R03]
- Innovative Research Team of the National Natural Science Foundation of China [61421063]
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The resilient control refers to the control methodology which provides an interdisciplinary solution to secure the control system. In this paper, the resilient control problem is investigated for a class of wireless networked control systems (WNCS) under a denial-of-service (DoS) attack. In the presence of the DoS attacker, the control command sent by the transmitter may be interfered, which can cause the degradation of the signal-to-interference-plus-noise ratio and further lead to packet dropout phenomenon. Such a packet dropout phenomenon is described by a two-state Markov-chain. A cross-layer view is adopted toward the security issue of the considered WNCS. The Nash power strategies and optimal control strategy in the delta-domain are obtained in the cyber- and physical-layer, respectively. Based on the obtained strategies, the coupled-design problem is solved which aims to drive the underlying control performance to the desired security region by dynamically manipulating the cyber-layer pricing parameters. Finally, a numerical simulation is conducted to verify the validity of the proposed methodology.
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