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Geometrical Charact...
Geometrical Characterization Of Sensor Placement For Cone-Invariant And Multi-Agent Systems Against Undetectable Zero-Dynamics Attacks\Ast
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- Chen, Jianqi (författare)
- City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China.
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- Wei, Jieqiang (författare)
- KTH,Reglerteknik,ACCESS Linnaeus Centre
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- Chen, Wei (författare)
- Peking Univ, Dept Mech & Engn Sci, Beijing, Peoples R China.;Peking Univ, Beijing Innovat Ctr Engn Sci & Adv Technol, Beijing, Peoples R China.
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- Sandberg, Henrik (författare)
- KTH,ACCESS Linnaeus Centre,Reglerteknik
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- Johansson, Karl H., 1967- (författare)
- KTH,Reglerteknik,ACCESS Linnaeus Centre
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- Chen, Jie (författare)
- City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China.
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City Univ Hong Kong, Dept Elect Engn, Hong Kong, Peoples R China Reglerteknik (creator_code:org_t)
- Society for Industrial & Applied Mathematics (SIAM), 2022
- 2022
- Engelska.
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Ingår i: SIAM Journal of Control and Optimization. - : Society for Industrial & Applied Mathematics (SIAM). - 0363-0129 .- 1095-7138. ; 60:2, s. 890-916
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Undetectable attacks are an important class of malicious attacks threatening the security of cyber-physical systems, which can modify a system's state but leave the system output measurements unaffected and hence cannot be detected from the output. This paper studies undetectable attacks on cone-invariant systems and multi-agent systems. We first provide a general characterization of zero-dynamics attacks, which characterizes fully undetectable attacks targeting the nonminimum phase zeros of a system. This geometrical characterization makes it possible to develop a defense strategy seeking to place a minimal number of sensors to detect and counter the zero-dynamics attacks on the system's actuators. The detect and defense scheme amounts to computing a set containing potentially vulnerable actuator locations and nodes and a defense union for feasible placement of sensors based on the geometrical properties of the cones under consideration.
Ämnesord
- NATURVETENSKAP -- Data- och informationsvetenskap -- Datorteknik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Computer Engineering (hsv//eng)
Nyckelord
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- undetectable attacks
- sensor placement
- defense strategy
- cone-invariant systems
- multi-agent systems
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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