Adaptive Disturbance Estimation for Offset-Free SISO Model Predictive Control

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Abstract

Offset free tracking in Model Predictive Control requires estimation of unmeasured disturbances or the inclusion of an integrator. An algorithm for estimation of an unknown disturbance based on adaptive estimation with time varying forgetting is introduced and benchmarked against the classical disturbance modelling approach, where the system description is augmented by a disturbance state. The time varying forgetting renders the new approach less sensitive to the nature of the disturbance. By simulation we demonstrate that this algorithm is advantageous in case of infrequent step disturbances of any magnitude.
Original languageEnglish
Title of host publicationProceedings of the American Control Conference
PublisherIEEE
Publication date2011
Pages2417-2422
ISBN (Print)978-1-4577-0079-8, 978-1-4577-0081-1
Publication statusPublished - 2011
Event2011 American Control Conference - San Francisco, CA, United States
Duration: 29 Jun 20111 Jul 2011
http://a2c2.org/conferences/acc2011/index.php?r=1&page=Greetings&w=1280&b=2

Conference

Conference2011 American Control Conference
Country/TerritoryUnited States
CitySan Francisco, CA
Period29/06/201101/07/2011
Internet address
SeriesAmerican Control Conference
ISSN0743-1619

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