Large space optical system active vibration suppression

Details Large space optical system active vibration suppression Large space optical system active vibration suppression

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987spie..748..106h&link_type=abstract

IN: Structural mechanics of optical systems II; Proceedings of the Meeting, Los Angeles, CA, Jan. 13-15, 1987 (A88-34486 13-74).

Physics

Optics

Control Systems Design, Integrated Optics, Large Space Structures, Optical Equipment, Vibration Damping, Actuators, Feedback Control, Finite Element Method, Reduced Order Filters

Scientific paper

Large space optical system vibration suppression is presently undertaken through the assembly of an integrated optics/structures/controls simulation, in order to test the performance of the primary control system. This high authority control/low authority control (HAC/LAC) system's simulated performance for a defined suppression requirement encompassed a partially validated FEM model, the requisite optical performance algorithms, and a closed loop HAC/LAC model. The specified -40 dB requirements are met with actuators of minimal, 0.5-lb weight at eight locations, which cause no significant changes in either modal frequency or shape.

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