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    Nonlinear vibration control of a membrane antenna structure

    Nonlinear vibration control of a membrane antenna structure


    In this paper, the active control of nonlinear vibration of a membrane antenna structure is investigated. Considering the geometric nonlinearity of large amplitude vibration of the membrane, the von Karman type geometrical nonlinear strain–displacement relationship is employed in this paper. Then, a nonlinear dynamic model of the membrane antenna structure is established by using the finite element method. It is assumed that the amplitude of vibration of the structure is relatively small when the controller in on, and then a H ∞ robust controller is developed to control the undesired nonlinear vibration of the membrane antenna structure based on the linearized model of the structure. Active control of both the free vibration and forced vibration of the structure are investigated. Numerical simulations are presented to study the nonlinearity of the large amplitude vibration of the structure and the effectiveness of the presented controller.

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    Titel :

    Nonlinear vibration control of a membrane antenna structure

    Beteiligte:
    Liu, Xiang (Autor:in) / Cai, Guoping (Autor:in) / Peng, Fujun (Autor:in) / Zhang, Hua (Autor:in)
    Erschienen in:

    Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering ; 233 , 9 ; 3273-3285

    Erscheinungsdatum :

    2019-07-01

    Format / Umfang :

    13 pages

    ISSN :

    0954-4100 , 2041-3025

    DOI :

    https://doi.org/10.1177/0954410018794321

    Medientyp :

    Aufsatz (Zeitschrift)

    Format :

    Elektronische Ressource

    Sprache :

    Englisch

    Schlagwörter :

    H∝ robust controller , nonlinear vibration control , Membrane antenna structure , nonlinear dynamic model , nonlinear dynamic characteristics

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