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Consensus of Double Integrator Multi-agents under Communication Delay
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-9940-5929
2009 (English)In: IFAC Proceedings Volumes (IFAC-PapersOnline), 2009, 376-381 p.Conference paper (Refereed)
Abstract [en]

This paper deals with the consensus problem under network induced communication delays. It is well-known that introducing a delay generally leads to a reduce of the performance or to instability. Thus, investigating the impact of time-delays in the consensus problem is an important issue. Another important issue is to obtain an estimate of the convergence rate, which is not straightforward when delays appear in the network. In this paper, the agents are modelled as double integrator systems. It is assumed that each agent receives instantaneously its own output information but receives the information from its neighbors after a constant delay. A stability criterion is provided based on Lyapunov-Krasovskii techniques and is expressed in terms of LMI. An expression of the consensus equilibrium which depends on the delay and on the initial conditions taken in an interval is derived. The results are supported through several simulations for different network symmetric communication schemes.

Place, publisher, year, edition, pages
2009. 376-381 p.
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-105820ScopusID: 2-s2.0-80051540987OAI: diva2:572361
8th IFAC Workshop on Time Delay Systems

QC 20130528

Available from: 2012-11-27 Created: 2012-11-27 Last updated: 2013-05-28Bibliographically approved

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Alexandre, SeuretDimarogonas, Dimos V.Johansson, Karl Henrik
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