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Pulse width modulation for multi-agent systems
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7309-8086
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2016 (English)In: Automatica, ISSN 0005-1098, E-ISSN 1873-2836, Vol. 70, 173-178 p.Article in journal (Refereed) PublishedText
Abstract [en]

This paper studies the consensus problem for multi-agent systems. A distributed consensus algorithm is developed by constructing homogeneous pulse width modulators for agents in the network. In particular, a certain percentage of the sampling period named duty cycle is modulated according to some state difference with respect to the neighbors at each sampling instant. During each duty cycle, the amplitude of the pulse is fixed. The proposed pulse width modulation scheme enables all agents to sample asynchronously with arbitrarily large sampling periods. It provides an alternative digital implementation strategy for multi-agent systems. We show that consensus is achieved asymptotically under the proposed scheme. The results are compared with the self-triggered ternary controller.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 70, 173-178 p.
Keyword [en]
Multi-agent systems, Pulse width modulation, Sampled-data control, Algorithms, Counting circuits, Modulation, Sampled data control systems, Voltage control, Consensus problems, Digital implementation, Distributed consensus, Duty-cycle, Pulse width modulators, Sampling instants, Sampling period, Multi agent systems
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-186906DOI: 10.1016/j.automatica.2016.03.012ISI: 000378182700020ScopusID: 2-s2.0-84963677313OAI: oai:DiVA.org:kth-186906DiVA: diva2:930202
Note

Funding Details: 61503249, NSFC, National Natural Science Foundation of China

QC 20160523

Available from: 2016-05-23 Created: 2016-05-16 Last updated: 2016-07-15Bibliographically approved

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Dimarogonas, Dimos V.
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