Equations of motion for the triaxial attitude control testbed
Sangbum Cho
Jinglai Shen
McClamroch, N.H.
Bernstein, D.S.
Dept. of Aerosp. Eng., Michigan Univ., Ann Arbor, MI;
This paper appears in: Decision and Control, 2001. Proceedings of the 40th IEEE Conference on
Publication Date: 2001
Volume: 4,
On page(s): 3429-3434 vol.4
Meeting Date: 12/04/2001 - 12/07/2001
Location: Orlando, FL, USA
ISBN: 0-7803-7061-9
References Cited: 6
INSPEC Accession Number: 7212212
Digital Object Identifier: 10.1109/.2001.980388
Current Version Published: 2002-08-06
Abstract
The triaxial attitude control testbed has been developed as part
of a research program on spacecraft multibody rotational dynamics and
control. In this paper, equations of motion are derived and presented in
various forms. Actuation mechanisms are incorporated into the models
including: moment actuators that are fixed to the triaxial base body, as
well as reaction wheel actuators and proof mass actuators that are fixed
to the triaxial base body. The models also allow incorporation of
unactuated auxiliary bodies that are constrained to move relative to the
triaxial base body. The models expose the dynamic coupling between the
rotational motion of the triaxial base body, the relative or shape
motion of the auxiliary degrees of freedom, and dynamics associated with
actuation mechanisms
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