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Event-triggered strategies for industrial control over wireless networks
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2008 (English)Conference paper, Published paper (Refereed)
Abstract [en]

New event-based sampling strategies can support the efficient use of radio resources in wireless control systems. Motivated by the recent introduction of wireless network nodes in process control industry, we consider the particular demands these closed-loop systems set on the wireless communication and the influence the communication has on the control performance. In the paper, it is pointed out that by letting sensor nodes transmit only when needed, it is possible to minimize the communication bandwidth utilization in these systems. We show how classical control strategies commonly based on periodic sampling, such as proportional-integralderivative control and minimum variance control, can be cast in an event-based setting in which decentralized communication decisions are taken suitable for commonly used contention-based medium access control protocols. Eventtriggered sampling for estimation is also reviewed. Simulated examples illustrate the results.

Place, publisher, year, edition, pages
ACM , 2008.
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-80711ISBN: 978-963-9799-36-3 (print)OAI: oai:DiVA.org:kth-80711DiVA: diva2:496662
Conference
Wireless Internet Conference WICON’08, November 17-19, 2008, Maui, Hawaii, USA
Note
Qc 20120220Available from: 2012-02-20 Created: 2012-02-10 Last updated: 2012-03-21Bibliographically approved

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Type fulltextMimetype application/pdf

Authority records BETA

Johansson, Karl Henrik

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Rabi, MabenJohansson, Karl Henrik
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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Language
  • de-DE
  • en-GB
  • en-US
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  • Other locale
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Output format
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