Advanced optical sensing and processing technologies for the distributed control of large flexible spacecraft

Details Advanced optical sensing and processing technologies for the distributed control of large flexible spacecraft Advanced optical sensing and processing technologies for the distributed control of large flexible spacecraft

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991stin...9131609w&link_type=abstract

Final Report Photon Research Associates, Inc., Cambridge, MA. Research Div.

Physics

Optics

Active Control, Control Systems Design, Distributed Parameter Systems, Flexible Spacecraft, Large Space Structures, Optical Data Processing, Optoelectronic Devices, Actuators, Design Analysis, Electro-Optics, Nasa Programs, Optical Equipment, Technology Assessment, Technology Utilization, Telescopes

Scientific paper

The objective was to examine state-of-the-art optical sensing and processing technology applied to control the motion of flexible spacecraft. Proposed large flexible space systems, such an optical telescopes and antennas, will require control over vast surfaces. Most likely distributed control will be necessary involving many sensors to accurately measure the surface. A similarly large number of actuators must act upon the system. The used technical approach included reviewing proposed NASA missions to assess system needs and requirements. A candidate mission was chosen as a baseline study spacecraft for comparison of conventional and optical control components. Control system requirements of the baseline system were used for designing both a control system containing current off-the-shelf components and a system utilizing electro-optical devices for sensing and processing. State-of-the-art surveys of conventional sensor, actuator, and processor technologies were performed. A technology development plan is presented that presents a logical, effective way to develop and integrate advancing technologies.

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