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Event-triggered PI control: Saturating actuators and anti-windup compensation
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control.
KTH, School of Electrical Engineering (EES), Automatic Control. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-9940-5929
2012 (English)In: 2012 IEEE 51st Annual Conference on Decision and Control (CDC), IEEE conference proceedings, 2012, 6566-6571 p.Conference paper, Published paper (Refereed)
Abstract [en]

Event-triggered control aims at reducing the communication load over the feedback link in networked control systems by adapting the information exchange to the current needs. This paper investigates the consequences of actuator saturation on the behavior of event-triggered PI control. Stability properties are derived using linear matrix inequalities (LMIs) which show how the stability of the event-triggered control loop depends on the selection of the event threshold. In order to overcome the potential performance degradation due to integrator windup caused by actuator saturation, the proposed scheme is extended by incorporating a static anti-windup mechanism. The results are illustrated by simulations.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2012. 6566-6571 p.
Series
IEEE Conference on Decision and Control. Proceedings, ISSN 0191-2216
Keyword [en]
Actuators, Barium, Numerical stability, Pi control, Stability analysis, Symmetric matrices, Vectors
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-111451DOI: 10.1109/CDC.2012.6426747ISI: 000327200406135Scopus ID: 2-s2.0-84874261841ISBN: 978-1-4673-2064-1 (print)OAI: oai:DiVA.org:kth-111451DiVA: diva2:586407
Conference
51st IEEE Conference on Decision and Control, CDC 2012; Maui, HI; United States; 10 December 2012 through 13 December 2012
Funder
VinnovaKnut and Alice Wallenberg FoundationSwedish Research Council
Note

QC 20130215

Available from: 2013-02-15 Created: 2013-01-11 Last updated: 2013-12-19Bibliographically approved

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