Experimental results are presented for active vibration control of the Air Force Research Laboratory's UltraLITE Precision Deployable Optical Structure (PDOS), a ground based model of a sparse array, large aperture, deployable optical space telescope. The primary vibration suppression technique employs spatio-temporal filtering, in which a small number of sensors are used to produce modal coordinates for the structural modes to be controlled. The spatio-temporal filtering technique is well suited for the control of complex, real-world structures because it requires little model information, automatically adapts to sensor and actuator failures, is computationally efficient, and can be easily configured to account for time-varying system dynamics. While controller development for PDOS continues, the results obtained thus far indicate the need for an integrated optical/structural control system.


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    Title :

    Control of the UltraLITE precision deployable test article using adaptive spatio-temporal filtering based control


    Contributors:
    Bosse, A.B. (author) / Sharp, T.D. (author) / Shelley, S.J. (author) / Denoyer, K.K. (author) / Erwin, R.S. (author)


    Publication date :

    1999


    Size :

    11 Seiten, 13 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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