G - Physics – 05 – D
Patent
G - Physics
05
D
341/80
G05D 1/10 (2006.01) B64G 1/24 (2006.01) B64G 1/36 (2006.01) B64G 1/40 (2006.01) B64G 1/44 (2006.01)
Patent
CA 2032808
An attitude control device for a satellite stabilized on three axes including a pitch axis comprises two solar generator wings extending in opposite directions away from a satellite body on respective longitudinal axes at least approximately parallel to the pitch axis. Two drive motors drive these wings independently of each other in rotation about rotation axes at least approximately parallel to the pitch axis to keep the wings facing the Sun with a depointing angle at most equal to a predetermined maximum depointing value. Sensors measure attitude angles and a computation system commands the drive motors according to the attitude angles. On each wing an additional surface in the form at least one vane extends longitudinally beyond the end of the wing parallel to its longitudinal axis. These additional surfaces have substantially the same surface area and are inclined about this axis relative to the wings in opposite directions by at least approximately the same angle which is less than the 90° complement of the maximum amplitude of wing depointing.
Aerospatiale Societe Nationale Industrielle
Riches Mckenzie & Herbert Llp
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