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Continuous-time consensus with discrete-time communications
João Almeida1; Carlos Silvestre1,2; António M. Pascoal1
2012-05-23
Source PublicationSystems and Control Letters
ISSN0167-6911
Volume61Issue:7Pages:788-796
Abstract

This paper addresses the problem of reaching consensus among a group of agents that evolve in continuous-time and exchange information at discrete-time instants, referred to as update times. Each agent has its own sequence of update times and therefore the agents are not required to keep synchronized clocks among them. At each update time, an agent receives from a subset of the other agents their state, as determined by the communication topology that may be time-varying. Due to transmission delays, the information may be received by an agent with latency. In our proposed solution, the state of each agent is augmented with an extra state variable that is updated instantaneously at update times. Between updates, the original state and the extra variable both evolve in a continuous fashion. It is shown that consensus is reached asymptotically by reducing the original problem involving continuous-time variables and asynchronous communications to a discrete-time equivalent and using known results for discrete-time consensus.

KeywordMulti-agent Systems Asynchronous Consensus Discrete-time Communications Switching Topologies Time-varying Delays
DOI10.1016/j.sysconle.2012.04.004
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaAutomation & Control Systems ; Operations Research & Management Science
WOS SubjectAutomation & Control Systems ; Operations Research & Management Science
WOS IDWOS:000306044100005
PublisherELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
Scopus ID2-s2.0-84861203694
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Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorJoão Almeida
Affiliation1.Institute for Robotics and Systems in Engineering and Science (LARSyS), Instituto Superior Técnico, Technical University of Lisbon, Av.Rovisco Pais1,1049-001 Lisboa, Portugal
2.Faculty of Science and Technology, University of Macau, Taipa, Macau
Recommended Citation
GB/T 7714
João Almeida,Carlos Silvestre,António M. Pascoal. Continuous-time consensus with discrete-time communications[J]. Systems and Control Letters, 2012, 61(7), 788-796.
APA João Almeida., Carlos Silvestre., & António M. Pascoal (2012). Continuous-time consensus with discrete-time communications. Systems and Control Letters, 61(7), 788-796.
MLA João Almeida,et al."Continuous-time consensus with discrete-time communications".Systems and Control Letters 61.7(2012):788-796.
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