Spacecraft attitude control and momentum unloading using gimballed and throttled thrusters
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United States of America Patent
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Sep 20, 1994
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N/A
app pub date -
Apr 28, 1992
filing date -
Apr 28, 1992
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Abstract
A spacecraft (201) maintains its north-south positioning by using one of two pairs of single-gimballed throttled thrusters (221-224) on a face of the spacecraft (201). The throttles (118) and gimbals (116) of the thrusters (221-224) are controlled to produce torques on the spacecraft (201) that will maintain a desired attitude for the spacecraft (201) while simultaneously desaturating the momentum stabilizing wheels ( 120, 121 ) of the spacecraft (201).
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