Practical stability of perturbed event-driven controlled linear systems

W.P.M.H. Heemels, J.H. Sandee

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

4 Citations (Scopus)


Abstract—Many plants are regulated by digital controllers that run at a constant sampling frequency, thereby requiring a high processor load for the computations. To guarantee a good control performance, such a high sampling frequency might be required at some periods of time, but not necessarily continuously. By using an event-driven control scheme that triggers the update of the control value only when the (tracking or stabilization) error is large, the average processor load can be reduced considerably. Although event-driven control can be effective from a CPU-load perspective, the analysis of such control schemes is much more involved than that of conventional schemes and is a widely open research area. This paper investigates the control performance of an event-driven controlled continuous-time linear system with additive disturbances in terms of practical stability (ultimate boundedness). By using the derived results, the event-driven controller can be tuned to get satisfactorily transient behavior and desirable ultimate bounds, while reducing the required average processor load for its implementation. Several examples illustrate the theory.
Original languageEnglish
Title of host publicationProceedings of the 2006 American Control Conference (ACC 2006), 14-16 June 2006, Minneapolis
Place of PublicationNew York
PublisherInstitute of Electrical and Electronics Engineers
ISBN (Print)1-4244-0210-7
Publication statusPublished - 2006
Event2006 American Control Conference (ACC 2006), June 14-16, 2006, Minneapolis, MN, USA - Minneapolis, MN, United States
Duration: 14 Jun 200616 Jun 2006


Conference2006 American Control Conference (ACC 2006), June 14-16, 2006, Minneapolis, MN, USA
Abbreviated titleACC 2006
Country/TerritoryUnited States
CityMinneapolis, MN


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