Method and system for optimizing torque in a CMG array

Details Method and system for optimizing torque in a CMG array Method and system for optimizing torque in a CMG array

2006-03-21

2006-03-21

Barefoot, Galen (Department: 3644)

Aeronautics and astronautics

Spacecraft

Attitude control

C701S013000, C074S005400

Reexamination Certificate

active

07014150

ABSTRACT:
A momentum-control system for a spacecraft is disclosed. The momentum-control system comprises an attitude-control system. The attitude-control system receives data concerning a desired spacecraft maneuver and determines a torque command to complete the desired spacecraft maneuver. A momentum actuator control processor coupled to the attitude-control system receives the torque command. The momentum actuator control processor calculates a gimbal rate command comprising a range-space gimbal rate required to produce the torque command and a null-space gimbal rate required to maximize the ability to provide torque in the direction of a current torque. At least four control-moment gyros are coupled to the momentum control actuator control processor. Each of the control-moment gyros receives and executes the gimbal rate to produce the desired maneuver.

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PCT International Search Report: PCT/US2005/025709, Applicant Reference No. H0007346PCT-5706, Nov. 8, 2005, EP International Search Authority, 6 pages.

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