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On the trade-off between control performance and communication cost for event-triggered control over lossy networks
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0003-4733-2240
KTH, School of Electrical Engineering (EES), Automatic Control.
2013 (English)In: 2013 European Control Conference, ECC 2013, IEEE , 2013, 1168-1174 p.Conference paper (Refereed)
Abstract [en]

This paper develops a theoretical framework for quantifying the trade-off between communication cost and control performance in event-triggered control over lossy networks. We consider a system where the communication between the controller and actuator is dictated by a threshold-based event-triggering algorithm, and develop a Markov-chain model that describes the attempted and successful transmissions of control messages over the lossy communication channel. A feature of our model is that it considers retransmissions of unsuccessful messages and that it accounts for the delay associated with such retransmissions. A systematic framework for analyzing the trade-off between the communication rate and control performance and for optimal tuning of the event threshold emanates by combining this model with an analytical model of the closed-loop performance. Numerical examples demonstrate the effectiveness of the proposed framework.

Place, publisher, year, edition, pages
IEEE , 2013. 1168-1174 p.
Keyword [en]
Closed-loop performance, Communication cost, Communication rate, Control performance, Event-triggered controls, Markov-chain models, Systematic framework, Theoretical framework
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-143328ISI: 000332509701092ScopusID: 2-s2.0-84893335740ISBN: 978-303303962-9OAI: diva2:706233
2013 12th European Control Conference, ECC 2013; Zurich; Switzerland; 17 July 2013 through 19 July 2013

QC 20140319

Available from: 2014-03-19 Created: 2014-03-19 Last updated: 2014-04-24Bibliographically approved

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ReferencesLink to record
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