The Mini-Mast is a 20 meter long three-dimensional, deployable/retractable truss structure designed to imitate future trusses in space. Presented here are results from a robust (with respect to measurement noise sensitivity), time domain, modal identification technique for identifying the modal properties of the Mini-Mast structure even in the face of noisy environments. Three testing/analysis procedures are considered: sinusoidal excitation near resonant frequencies of the Mini-Mast, frequency response function averaging of several modal tests, and random input excitation with a free response period.


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    Title :

    Robust modal identification/estimation of the Mini-Mast testbed


    Contributors:


    Publication date :

    1992-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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