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Secure Distributed ...
Secure Distributed Filtering for Unstable Dynamics Under Compromised Observations
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- He, Xingkang (författare)
- KTH,Reglerteknik,ACCESS Linnaeus Centre
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- Ren, Xiaoqiang (författare)
- Shanghai Univ, Dept Automat, Sch Mechatron Engn & Automat, Shanghai 200444, 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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(creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2019
- 2019
- Engelska.
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Ingår i: 2019 IEEE 58th Conference on Decision and Control (CDC). - : Institute of Electrical and Electronics Engineers (IEEE). ; , s. 5344-5349
- Relaterad länk:
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https://cdc2019.ieee...
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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
- In this paper, we consider a secure distributed filtering problem for linear time-invariant systems with bounded noises and unstable dynamics under compromised observations. A malicious attacker is able to compromise a subset of the agents and manipulate the observations arbitrarily. We first propose a recursive distributed filter consisting of two parts at each time. The first part employs a saturation like scheme, which gives a small gain if the innovation is too large. The second part is a consensus operation of state estimates among neighboring agents. A sufficient condition is then established for the boundedness of estimation error, which is with respect to network topology, system structure, and the maximal compromised agent subset. We further provide an equivalent statement, which connects to 2s-sparse observability in the centralized framework in certain scenarios, such that the sufficient condition is feasible. Numerical simulations are finally provided to illustrate the developed results.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Nyckelord
- Invariance
- Linear systems
- Distributed filtering
- Distributed filters
- Estimation errors
- Linear time invariant systems
- Network topology
- State estimates
- System structures
- Unstable dynamics
- Time varying control systems
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)