This paper describes a modal parameter estimation algorithm that uses frequency response functions relative to several exciter locations in a simultaneous manner. Phase information between the exciter locations is used to separate close or multiple roots, and consistent estimates are given for modal parameters and eigenvectors. An experimental investigation of a structure with repeated roots is described. In the single exciter location case, this method reduces to the least squares complex exponential technique.


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    Titel :

    A Multi-Input Modal Estimation Algorithm for Mini-Computers


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Rocklin, G. Thomas (Autor:in) / Vold, Harvard (Autor:in) / Kundrat, John (Autor:in) / Russell, Richard (Autor:in)

    Kongress:

    SAE International Congress and Exposition ; 1982



    Erscheinungsdatum :

    01.02.1982




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    A multi-input modal estimation algorithm for mini-computers

    Vold,H. / Kundrat,J. / Rocklin,G.T. et al. | Kraftfahrwesen | 1982





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