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Threshold Optimization of Event-Triggered Multi-Loop Control Systems
KTH, School of Electrical Engineering (EES), Automatic Control. Univ Paderborn.ORCID iD: 0000-0003-4733-2240
KTH, School of Electrical Engineering (EES), Automatic Control.
2016 (English)In: 2016 13TH INTERNATIONAL WORKSHOP ON DISCRETE EVENT SYSTEMS (WODES), IEEE conference proceedings, 2016, 203-210 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers multiple linear stochastic control systems whose feedback loops are closed over a shared communication medium. A threshold-based event-triggering rule is used to transmit control commands from the controllers to the actuators, and network access is arbitrated using a static priority mechanism. Under these conditions, we study deadbeat control laws and compute the expected linear-quadratic loss of the closed-loop system as a function of the event-thresholds of the individual loops. Also, we present analytical expressions that quantify the trade-off between the communication cost and the control performance of such event-triggered control systems. Using a multi-dimensional exhaustive search method, we determine the set of event thresholds that attains the minimal expected linear-quadratic loss of the closed-loop systems. Simulation studies highlight the trade-off between the communication and control cost.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2016. 203-210 p.
Series
International Workshop on Discrete Event Systems, ISSN 1550-5227
Keyword [en]
Event-triggered control, Deadbeat control, Shared communication channel
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-193851ISI: 000382860200032Scopus ID: 2-s2.0-84981306039ISBN: 978-1-5090-4190-9 (print)OAI: oai:DiVA.org:kth-193851DiVA: diva2:1034231
Conference
13th International Workshop on Discrete Event Systems (WODES), MAY 30-JUN 01, 2016, Xian, PEOPLES R CHINA
Note

QC 20161011

Available from: 2016-10-11 Created: 2016-10-11 Last updated: 2016-10-11Bibliographically approved

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Scopushttp://wodes2016.diee.unica.it/home1-9-2.html

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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