Method and apparatus for intelligent attitude and orbit control

Details Method and apparatus for intelligent attitude and orbit control Method and apparatus for intelligent attitude and orbit control

1998-05-14

2000-02-15

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

Attitude control

244169, 244171, B64G 124

Patent

active

060243279

ABSTRACT:
The present invention provides an improved intelligent control apparatus and method of a satellite where the orbit and attitude control are executed autonomously onboard the satellite. The satellite makes an intelligent decision whether the satellite should be in normal operations mode or in the contingency mode, and if the satellite is in the normal mode, then attitude and orbit of satellite is controlled autonomously to maintain the predetermined attitude and orbit. If the satellite is in the contingency mode, then the satellite decides whether there is collision danger and executes emergency orbit maneuver automatically if such danger exists. Furthermore the satellite checks for the anomaly functioning sensors and actuators, and discontinues their usage.

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