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Title: Gossip average consensus in a Byzantine environment using stochastic Set-Valued Observers
Authors: Silvestre, Daniel
Rosa, P.
Cunha, R.
Hespanha, J.P.
Silvestre, C.
Keywords: stochastic systems
distributed algorithms
Issue Date: Dec-2013
Publisher: IEEE
Citation: D. Silvestre, P. Rosa, R. Cunha, J. P. Hespanha and C. Silvestre, "Gossip average consensus in a Byzantine environment using stochastic Set-Valued Observers," 52nd IEEE Conference on Decision and Control, Firenze, 2013, pp. 4373-4378.
Abstract: We address the problem of a consensus system in the presence of Byzantine faults seen as an attacker injecting a perturbation in the state of the nodes. We propose the use of Set-Valued Observers to detect if the state observations are compatible with the system dynamics. The method is extended to the stochastic case by introducing a strategy to construct a set that is guaranteed to contain all possible states with, at least, a pre-specified desired probability. The proposed algorithm is stable in the sense that it requires a finite number of vertices to represent polytopic sets while also enabling the a priori computation of the largest magnitude of a disturbance that an attacker can inject without being detected.
Peer reviewed: yes
metadata.dc.identifier.doi: 10.1109/CDC.2013.6760562
ISSN: 0191-2216
Appears in Collections:AUTONOMA TECHLAB - Artigos/Papers
DCT- Comunicações em conferências
DCT - Artigos/Papers

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