Aeronautics and astronautics – Spacecraft – Attitude control
Patent
1998-09-29
2000-10-24
Eldred, J. Woodrow
Aeronautics and astronautics
Spacecraft
Attitude control
244165, B64G 128
Patent
active
061353922
ABSTRACT:
A spacecraft attitude control system includes a Momentum Wheel Assembly (MWA) or a Reaction Wheel Assembly (RWA), containing a spinning flywheel, mounted by the use of a mounting bracket to a rotary gimbal which is mounted to spacecraft. The operating MWA/RWA unit is rotated by the rotary gimbal about the gimbal's axis of rotation generating a torque which is provide to the spacecraft, resulting in its movement. The system has the added advantage that the majority of the components are commercially available off-the-shelf products.
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"SSO Mechanisms and Control Systems," Rev D, Honeywell Satellite Systems Operation, Glendale, AZ (8 pages).
"Type 55 Biaxial Drive System for Space Flight Applications," Schaeffer Magnetics, Inc., Chatsworth, CA (4 pages).
"Control Moment Gyroscopes," Honeywell Space Systems Group, Satellite Systems Operation, Phoenix, AZ, Apr. 1993 (4 pages).
"Reaction Wheel and Momentum Wheel Assemblies," Honeywell Space Systems Group, Satellite Systems Operation, Phoenix, AZ, Apr. 1993 (4 pages).
Eldred J. Woodrow
Grunebach Georgann S.
Hughes Electronics Corporation
Sales M. W.
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