An introduction to event-triggered and self-triggered control

W.P.M.H. Heemels, K. H. Johansson, P. Tabuada

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

793 Citations (Scopus)

Abstract

Recent developments in computer and communication technologies have led to a new type of large-scale resource-constrained wireless embedded control systems. It is desirable in these systems to limit the sensor and control computation and/or communication to instances when the system needs attention. However, classical sampled-data control is based on performing sensing and actuation periodically rather than when the system needs attention. This paper provides an introduction to event- and self-triggered control systems where sensing and actuation is performed when needed. Event-triggered control is reactive and generates sensor sampling and control actuation when, for instance, the plant state deviates more than a certain threshold from a desired value. Self-triggered control, on the other hand, is proactive and computes the next sampling or actuation instance ahead of time. The basics of these control strategies are introduced together with a discussion on the differences between state feedback and output feedback for event-triggered control. It is also shown how event- and self-triggered control can be implemented using existing wireless communication technology. Some applications to wireless control in process industry are discussed as well.

Original languageEnglish
Title of host publication51st IEEE Conference on Decision and Control, CDC 2012
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages3270-3285
Number of pages16
ISBN (Print)978-1-4673-2065-8
DOIs
Publication statusPublished - 1 Dec 2012
Event51st IEEE Conference on Decision and Control (CDC 2012) - Maui, United States
Duration: 10 Dec 201213 Dec 2012
Conference number: 51

Conference

Conference51st IEEE Conference on Decision and Control (CDC 2012)
Abbreviated titleCDC 2012
CountryUnited States
CityMaui
Period10/12/1213/12/12

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