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     Peter A. Koziol, Esq.
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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Hierarchical strategy for singularity avoidance in arrays of control moment gyroscopes

Invented by: Brian J. Hamilton
Glendale, AZ

Brian K. Underhill
Phoenix, AZ

Originally Assigned to: Honeywell International Inc.
Morristown, NJ
[Now assigned to . . .]

Issued:2010-09-28
Filed:2006-09-29
Application No:11540452
Examined by:Tran; Khoi

A control system for adjusting the attitude of a spacecraft comprises a set of control moment gyroscopes (CMGs) configured to allow null space maneuvering. The control system further comprises a momentum actuator control processor coupled to the set of CMGs and configured to determine a mandatory null space maneuver to avoid singularities and determine an optional null space maneuver to increase available torque. The mandatory null space maneuver can be calculated based upon certain gimbal angles, and can be implemented by augmenting the inverse-Jacobian control matrix.

[pdf] U.S. Pat. No. 7,805,226

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This information is part of a study by Oasis Global, Inc. of all space inventions filed at the United States Patent and Trademark Office, and is provided for informational purposes only. It is not an endorsement of any particular assignee, inventor or invention. Although Peter A. Koziol represents inventors and assignees of space inventions he does not represent all of the inventors and assignees listed. The prosecuting attorney agent or firm for each patent is identified by the United States Patent and Trademark Office in the patent specfication, which can be viewed by clicking on the patent image or downloading the patent document. For more information regarding Mr. Koziol's background and experience, or to learn more about space inventions, please contact Mr. Koziol.

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