B - Operations – Transporting – 64 – G
Patent
B - Operations, Transporting
64
G
B64G 1/36 (2006.01) B64G 1/00 (2006.01) G05D 1/08 (2006.01) B64G 1/24 (2006.01) B64G 1/28 (2006.01)
Patent
CA 2117090
A measurement arrangement is useful for controlling the attitude of a three- axis stabilized satellite equipped with sun-sensors for determining the orientation of the sun (sun vector) with respect to a satellite-fixed coordinate system, as well as with speed gyroscopes for detecting components of the satellite speed of rotation vector .omega.. It is necessary that the measurement range of the sun-sensors cover the round angle in a preselectable plane (for example XY plane) and perpendicularly thereto a limited angular range of maximum ~.alpha.2max on both sides of the plane. In a ddition, only an integrating speed gyroscope carrying out measurements in a single measurement axis that encloses with the plane an angle of at least (.pi./2) - .alpha.2max should be provided. Also disclosed are an evaluation process for deter- mining the satellite speed of rotation, as well as the satellite deviation with re- spect to a direction of reference, a regulating system for carrying out attitude ~rol maneuvers using the measurement arrangement and the evaluation pro- ~, and a corresponding regulating process.
Bittner Helmut
Fichter Walter
Fischer Horst-Dieter
Surauer Michael
Astrium Gmbh
Smart & Biggar
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