Aeronautics and astronautics – Spacecraft – Attitude control
Patent
1990-04-11
1991-11-05
Peters, Jr., Joseph F.
Aeronautics and astronautics
Spacecraft
Attitude control
244171, 244165, 342352, 342355, 342357, B64G 124
Patent
active
050625926
ABSTRACT:
A first orientation control system controls the orientation of the main body of a satellite so that the main body is oriented toward the center of the Earth, and a second orientation control system controls the orientation of an antenna so that the antenna is continuously directed toward a target (e.g., a satellite revolving around the Earth). Between these two control systems, there is inevitably mutual interference, due to dynamic effects. To prevent this mutual interference, the first control system controls the orientation of the main body of the satellite on the basis of antenna driving information of the second orientation control system, while the second control system corrects the antenna driving information on the basis of orientation error information of the first control system.
REFERENCES:
patent: 3757336 (1973-09-01), Rosen
patent: 3818767 (1974-06-01), Donohue et al.
patent: 4078748 (1978-03-01), Sen
patent: 4687161 (1987-08-01), Plescia et al.
patent: 4776540 (1988-10-01), Westerlund
F. F. Mobley, "The SAS-3 Attitude Control System", 1975, APL Technical Digest, vol. 14, No. 3.
R. E. Roberson, "Where Do We Stand on Attitude Control", Aviation Age, R & D Handbook, 1959, pp. B5-B10.
Ellis Christopher P.
Kabushiki Kaisha Toshiba
Peters Jr. Joseph F.
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