Cyclic Control Optimization for a Smart Rotor

Leonardo Bergami, Lars Christian Henriksen

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    Abstract

    The paper presents a method to determine cyclic control trajectories for a smart rotor undergoing periodic-deterministic load variations. The control trajectories result from a constrained optimization problem, where the cost function to minimize is given by the variation of the blade root flapwise bending moment within a rotor revolution. The method is applied to a rotor equipped with trailing edge flaps, and capable of individual blade pitching. Results show that the optimized cyclic control significantly alleviates the load variations from periodic disturbances; the combination of both cyclic flap and pitch allows to reduce the action (and hence the wear) on the pitch actuators, and still to achieve considerable load alleviation.
    Original languageEnglish
    Title of host publicationProceedings of 8th PhD Seminar on Wind Energy in Europe
    Number of pages6
    Publication date2012
    Publication statusPublished - 2012
    Event8th PhD Seminar on Wind Energy in Europe - Zurich, Switzerland
    Duration: 12 Sept 201214 Sept 2012

    Seminar

    Seminar8th PhD Seminar on Wind Energy in Europe
    Country/TerritorySwitzerland
    CityZurich
    Period12/09/201214/09/2012

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