DK-iteration robust control design of a wind turbine

Mahmood Mirzaei, Hans Henrik Niemann, Niels Kjølstad Poulsen

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    Abstract

    The problem of robust control of a wind turbine is considered in this paper. A controller is designed based on a 2 degrees of freedom linearized model. An extended Kalman filter is used to estimate effective wind speed and the estimated wind speed is used to find the operating point of the wind turbine. Due to imprecise wind speed estimation, uncertainty in the obtained linear model is considered. Uncertainties in the drivetrain stiffness and damping parameters are also considered as these values are lumped parameters of a distributed system and therefore they include inherent uncertainties. We include these uncertainties as parametric uncertainties in the model and design a robust controller using DK-iteration method. The controller is applied on a full complexity simulation model and simulations are performed for wind speed step changes.
    Original languageEnglish
    Title of host publication2011 IEEE International Conference on Control Applications
    PublisherIEEE
    Publication date2011
    ISBN (Print)978-1-4577-1062-9
    DOIs
    Publication statusPublished - 2011
    Event2011 IEEE International Conference on Control Applications - Denver, United States
    Duration: 28 Sept 201130 Sept 2011
    https://ieeexplore.ieee.org/xpl/conhome/6034545/proceeding

    Conference

    Conference2011 IEEE International Conference on Control Applications
    Country/TerritoryUnited States
    CityDenver
    Period28/09/201130/09/2011
    Internet address

    Keywords

    • Wind turbines
    • Wind speed
    • Generators
    • Uncertainty
    • Aerodynamics
    • Mathematical model
    • Rotors

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