Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975guco.confq....g&link_type=abstract
American Institute of Aeronautics and Astronautics, Guidance and Control Conference, Boston, Mass., Aug. 20-22, 1975, 11 p.
Astronomy and Astrophysics
Astronomy
Design Analysis, Hubble Space Telescope, Low Cost, Pointing Control Systems, Astronomical Observatories, Block Diagrams, Cost Reduction, Safety Devices, Torque
Scientific paper
Vigorous efforts to reduce costs, coupled with changes in LST guidelines, took place in the Fall of 1974. These events made a new design of the LST and its Pointing and Attitude Control System possible. The major design changes are summarized as: an annular Support Systems Module; removal of image motion compensation; reaction wheels instead of CMG's; a magnetic torquer system to also perform the emergency and backup functions, eliminating the previously required mass expulsion system. Preliminary analysis indicates the Low Cost LST concept can meet the newly defined requirements and results in a significantly reduced development cost.
Glaese J. R.
Kennel H. F.
Nurre Gerald S.
Seltzer Stephen M.
Shelton H. L.
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