Secure State-Reconstruction Over Networks Subject to Attacks

Secure state-reconstruction is the problem of reconstructing the state of a linear time-invariant system from sensor measurements that have been corrupted by an adversary. Whereas most work focuses on attacks on sensors, we consider the more challenging case where attacks occur on sensors as well as...

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Bibliographic Details
Published inIEEE control systems letters Vol. 5; no. 1; pp. 157 - 162
Main Authors Mao, Yanwen, Diggavi, Suhas, Fragouli, Christina, Tabuada, Paulo
Format Journal Article
LanguageEnglish
Published IEEE 01.01.2021
Subjects
fault detection
Fault tolerant systems
Indexes
network analysis and control
Network coding
Observability
Receivers
Relay networks (telecommunications)
Sensors
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Summary:Secure state-reconstruction is the problem of reconstructing the state of a linear time-invariant system from sensor measurements that have been corrupted by an adversary. Whereas most work focuses on attacks on sensors, we consider the more challenging case where attacks occur on sensors as well as on nodes and links of a network that transports sensor measurements to a receiver. In this letter we provide necessary and sufficient conditions for the secure state-reconstruction problem to be solvable in the presence of attacks on sensors and on the network.
ISSN:2475-1456
2475-1456
DOI:10.1109/LCSYS.2020.3000853