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Delay-Induced Watermarking for Detection of Replay Attacks in Linear Systems
April 2, 2024, 7:11 p.m. | Christoforos Somarakis, Raman Goyal, Erfaun Noorani, Shantanu Rane
cs.CR updates on arXiv.org arxiv.org
Abstract: A state-feedback watermarking signal design for the detection of replay attacks in linear systems is proposed. The control input is augmented with a random time-delayed term of the system state estimate, in order to secure the system against attacks of replay type. We outline the basic analysis of the closed-loop response of the state-feedback watermarking in a LQG controlled system. Our theoretical results are applied on a temperature process control example. While the proposed secure …
arxiv attacks control cs.cr cs.sy design detection eess.sy feedback input linear order random replay signal state system systems watermarking
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