The author derives analytical expressions for the Grammians of a model given in modal coordinates for the dynamics of a flexible space structure (FSS). These expressions are then used as the basis for a new algorithm to compute a dominant reduced-order model for such a system in an efficient manner. The resulting reduced-order model is obtained directly rather than by truncating a balanced model of the entire system, thus giving rise to significant efficiency gains for the typical FSS case where the reduced-order model is of very much lower order than the original system.


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    Titel :

    Closed-form Grammians and model reduction for flexible space structures


    Weitere Titelangaben:

    Geschlossene Form der Gramschen Matrix und Modellreduktion für flexible Raumfahrtstrukturen


    Beteiligte:
    Williams, T. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1990


    Format / Umfang :

    4 Seiten, 20 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Model reduction for flexible space structures

    GAWRONSKI, WODEK / WILLIAMS, TREVOR | AIAA | 1991


    Model reduction for flexible space structures

    Gawronski, Wodek / Williams, Trevor | NTRS | 1989


    Model reduction for flexible space structures

    GAWRONSKI, WODEK / WILLIAMS, TREVOR | AIAA | 1989


    Model reduction for flexible space structures

    Gawronski, Wodek / Williams, Trevor | NTRS | 1991


    Closed-Loop Grammians and Model Reduction for Decentralized Control of Flexible Structures

    Wu, J. / Williams, T. / American Institute of Aeronautics and Astronautics et al. | British Library Conference Proceedings | 1996