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Resilient Control of Cyber-Physical System Using Nonlinear Encoding Signal Against System Integrity Attacks

Journal Article · · IEEE Transactions on Automatic Control

Here, in this article, we propose an attack-resilient control structure for a cyber-physical system (CPS) to enhance the CPS security against stealthy system integrity attacks that manipulate the state of the physical plant while undetected. With the help of nonlinear encoding/decoding components, the proposed structure can detect stealthy attacks and preserve the nominal performance without considering attacks. Meanwhile, for avoiding the eavesdropping of transmitted signals used to synchronize encoding/decoding components between the physical and cyber layers, the chaotic oscillators are employed for the secure communication. The resilience against the malicious attacks and the robustness under the time delay and nonlinear components of the proposed CPS structure are investigated in view of input-to-state stable framework. Simulations for quadruple-tank process are performed to validate the performance of the proposed method.

Research Organization:
Univ. of Central Florida, Orlando, FL (United States)
Sponsoring Organization:
USDOE Office of Science (SC); USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
EE0009028; EE0009152; EE0007998; EE0007327; EE0006340
OSTI ID:
2324949
Alternate ID(s):
OSTI ID: 2326018
OSTI ID: 1848426
Journal Information:
IEEE Transactions on Automatic Control, Journal Name: IEEE Transactions on Automatic Control Journal Issue: 9 Vol. 66; ISSN 0018-9286
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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