Model Predictive Control of Trailing Edge Flaps on a wind turbine blade

Damien Castaignet, Niels Kjølstad Poulsen, Thomas Buhl, Jens Jakob Wedel-Heinen

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    Abstract

    Trailing Edge Flaps on wind turbine blades have been studied in order to achieve fatigue load reduction on the turbine components. We show in this paper how Model Predictive Control can be used to do frequency weighted control of the trailing edge flaps in order to reduce fatigue damage on the blade root. The design model is based on a modal model of the blade structure and a steady state aerodynamic model of the blade airfoils. Depending on the output filter, loads within different frequency range are decreased. A fine tuning of the Kalman filter and of the cost function allows to decrease significantly the blade root loads without damaging excessively the trailing edge flap actuators.
    Original languageEnglish
    Title of host publicationProceedings of the American Control Conference 2011
    PublisherACC
    Publication date2011
    Pages4398-4403
    ISBN (Print)978-1-4577-0080-4
    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
    CountryUnited States
    CitySan Francisco, CA
    Period29/06/201101/07/2011
    Internet address

    Bibliographical note

    This work is part of the ATEF project, which is partially funded by Danish
    National Advanced Technology Foundation (Højteknologifonden)

    Keywords

    • Wind turbine structures

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