Aeronautics and astronautics – Spacecraft – Attitude control
Reexamination Certificate
2006-12-05
2006-12-05
Swiatek, Robert P. (Department: 3643)
Aeronautics and astronautics
Spacecraft
Attitude control
C701S013000
Reexamination Certificate
active
07143982
ABSTRACT:
A method for yaw steering a spacecraft including performing yaw steering of the spacecraft to have a yaw angle (ψ) for all sun elevation angles (β). The method further including smoothing a yaw steering motion for orbital position parameters (η) where high rotational rates {dot over (ψ)} and high rotational accelerations {umlaut over (ψ)} would occur. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
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L. Barker et al., “Sirius Satellite Design: The Challenges of the Tundra Orbit in Commercial Spacecraft Design”, Guidance and Control 2001, Proceedings of the Annual AAS Rocky Mountain Conference, Jan. 31, 2001, pp. 575-596.
W. Bao, “Materials Quick Reference,” XP—002275236, Jul. 2001, downloaded on Mar. 26, 2004 from URL:http://www.cz3.nus.edu.sg/{bao/teach/cz4206/matqkref.pdf.
Ebert Klaus
Oesterlin Wilfried
Astrium GmbH
Greenblum & Bernstein P.L.C.
Swiatek Robert P.
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