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On the trade-off between control performance and communication cost for event-triggered control over lossy networks
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik.ORCID-id: 0000-0003-4733-2240
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik.
2013 (engelsk)Inngår i: 2013 European Control Conference, ECC 2013, IEEE , 2013, s. 1168-1174Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
IEEE , 2013. s. 1168-1174
Emneord [en]
Closed-loop performance, Communication cost, Communication rate, Control performance, Event-triggered controls, Markov-chain models, Systematic framework, Theoretical framework
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-143328ISI: 000332509701092Scopus ID: 2-s2.0-84893335740ISBN: 978-303303962-9 (tryckt)OAI: oai:DiVA.org:kth-143328DiVA, id: diva2:706233
Konferanse
2013 12th European Control Conference, ECC 2013; Zurich; Switzerland; 17 July 2013 through 19 July 2013
Merknad

QC 20140319

Tilgjengelig fra: 2014-03-19 Laget: 2014-03-19 Sist oppdatert: 2014-04-24bibliografisk kontrollert

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Totalt: 58 treff
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