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Annihilation of angular momentum bias during thrusting and spinning-up maneuversDuring spinning-up and thrusting maneuvers of rockets and spacecraft, undesired transverse torques (from error sources such as thruster misalignment, center-of-mass offset and thruster mismatch) perturb the angular momentum vector from its original orientation. In this paper a maneuver scheme is presented which virtually annihilates the angular momentum vector bias, even though the magnitude and direction of the perturbing body-fixed torques are unknown. In the analysis it is assumed that the torques are small and constant and that the spacecraft or rocket can be approximated by a rigid body, which may be asymmetric. Typical maneuvers of the Galileo spacecraft are simulated to demonstrate the technique.
Document ID
19900040886
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Longuski, J. M.
(Purdue Univ. West Lafayette, IN, United States)
Kia, T.
(Purdue University West Lafayette, IN, United States)
Breckenridge, W. G.
(JPL Pasadena, CA, United States)
Date Acquired
August 14, 2013
Publication Date
December 1, 1989
Publication Information
Publication: Journal of the Astronautical Sciences
Volume: 37
ISSN: 0021-9142
Subject Category
Astrodynamics
Accession Number
90A27941
Funding Number(s)
CONTRACT_GRANT: NSF MSS-89-08392
Distribution Limits
Public
Copyright
Other

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