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

Albert Bosse; Thomas D. Sharp; Stuart J. Shelley; Keith K. Denoyer; R. Scott Erwin

doi:10.1117/12.350724

9 June 1999 Control of the ultraLITE precision deployable test article using adaptive spatio-temporal-filtering-based control

Albert Bosse, Thomas D. Sharp, Stuart J. Shelley, Keith K. Denoyer, R. Scott Erwin

Author Affiliations +

Proceedings Volume 3668, Smart Structures and Materials 1999: Smart Structures and Integrated Systems; (1999) https://doi.org/10.1117/12.350724
Event: 1999 Symposium on Smart Structures and Materials, 1999, Newport Beach, CA, United States

Abstract

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.

Citation Download Citation

Albert Bosse, Thomas D. Sharp, Stuart J. Shelley, Keith K. Denoyer, and R. Scott Erwin "Control of the ultraLITE precision deployable test article using adaptive spatio-temporal-filtering-based control", Proc. SPIE 3668, Smart Structures and Materials 1999: Smart Structures and Integrated Systems, (9 June 1999); https://doi.org/10.1117/12.350724

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