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SPACE PATENTS BY
Aerospace Assignees
Aerospace Inventors
Time Lines

Target acquisition control for spacecraft gimballed payload

Invented by: Tung-Ching Tsao
Torrance, CA

Ketao Liu
Cerritos, CA

Originally Assigned to: The Boeing Company
Chicago, IL
[Now assigned to . . .]

Issued:2008-10-14
Filed:2004-09-28
Application No:10951670
Examined by:To; Tuan C

A method and apparatus for controlling a gimbaled platform (108). The method comprises the steps of computing an acquisition phase gimbal angle rate command .omega..sub.cmd.sub.--.sub.Acq (530) from a measured LOS angle error .DELTA..theta..sub.LOS (520) for an initial control period T while computing an estimated LOS angle rate {circumflex over (.omega.)}.sub.LOS (524), computing a tracking phase gimbal angle rate command .omega..sub.cmd.sub.--.sub.Trk (532) using a controller (512) having an output initialized with the estimated LOS angle rate {circumflex over (.omega.)}.sub.LOS (524), and commanding the gimballed platform (108) according to an angle rate command .omega..sub.cmd (522), wherein the angle rate command .omega..sub.cmd (522) is the acquisition phase angle rate command .omega..sub.cmd.sub.--.sub.Acq (530) during the initial control period T and the tracking phase gimbal angle rate command .omega..sub.cmd.sub.--.sub.Trk (532) after the initial control period T.

[pdf] U.S. Pat. No. 7,437,224

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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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