The increasing need for better pointing accuracy of antennas connected to spacecraft leads to a requirement for more-efficient controllers, which in turn calls for more-accurate identification of the vibration frequencies. Different identification methods may be applied in order to identify vibration frequencies. This paper presents the result from a study of identification of vibration frequencies using subspace methods. A mathematical model, for both simpler and more advanced spacecraft, are modelled in MATLAB and simulated using torque inputs. Acceleration measurements are used to identify the vibration frequencies of the spacecraft.


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    Titel :

    Identification of vibration parameters in a spacecraft using subspace methods


    Weitere Titelangaben:

    Identifikation von Schwingungsparametern in einem Satelliten mittels Teilraumverfahren


    Beteiligte:
    Skullestad, A. (Autor:in) / Hallingstad, O. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1997


    Format / Umfang :

    10 Seiten, 6 Bilder, 4 Tabellen, 14 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch







    Nonparametric Subspace Identification of Nonlinear Structures - Application to a Spacecraft

    Noel, J.-P. / Kerschen, G. / American Institute of Aeronautics and Astronautics; American Society of Mechanical Engineers; American Society of Civil Engineers | British Library Conference Proceedings | 2013