Method of sun and earth acquisition for three axis stabilized sa

Details Method of sun and earth acquisition for three axis stabilized sa Method of sun and earth acquisition for three axis stabilized sa

1980-09-24

1982-11-09

Barefoot, Galen L.

Aeronautics and astronautics

Spacecraft

Attitude control

244171, 244176, B64G 136

Patent

active

043580769

ABSTRACT:
A method of sun and earth acquisition for satellites which are stabilized in three dimensions and are equipped with acquisition sensors is provided. The method enables the acquisition of the earth and sun to be concluded as quickly as possible. The method includes a series of cumulative or alternative steps for changing the attitude of the satellite relative to the sun. These attitude changes are governed by a simple set of control equations. An arrangement for effecting the method is also provided.

REFERENCES:
patent: 3206141 (1965-09-01), Dryden
patent: 3429524 (1969-02-01), Buckingham et al.
patent: 3439884 (1969-04-01), Slater
patent: 3547381 (1970-12-01), Shaw et al.
patent: 4071211 (1978-01-01), Muhlfelder et al.
Redisch, W. N., "ATS-6 Description and Performance, IEEE Trans. on Aerospace & Electronic Sys.", vol. AES-11, No. 6, pp. 994-1003, Nov. 1975.
Bittner et al., "The Attitude Determination and Control Subsys. of the Intelsat V Spacecraft", Proceedings of AOCS Conf., 11/3-6/77.

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