MSTI2 is a small, 164 kg (362 lb), 3-axis stabilized, low-Earth-orbiting satellite whose mission is missile booster tracking. The spacecraft is actuated by 3 reaction wheels and 12 hot gas thrusters. It carries enough fuel for a projected life of 6 months. The sensor complement consists of a Horizon Sensor, a Sun Sensor, low-rate gyros, and a high rate gyro for despin. The total pointing control error allocation is 6 mRad (.34 Deg), and this is while tracking a target on the Earth's surface. This paper describes the Attitude Control System (ACS) algorithms which include the following: attitude acquisition (despin, Sun and Earth acquisition), attitude determination, attitude control, and linear stability analysis.
Overview of the Miniature Sensor Technology Integration (MSTI) Spacecraft Attitude Control System
1994
15 pages
Report
Keine Angabe
Englisch
Astronautics , Unmanned Spacecraft , Attitude control , Missile tracking , Pointing control systems , Spin reduction , Gyroscopes , Reaction wheels , Solar sensors , Spacecraft control , Algorithms , Attitude (Inclination) , High temperature gases , Horizon , Stability tests , MSIT2 spacecraft , Satellite attitude control
British Library Conference Proceedings | 1994
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