The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 13, 2011
Filed:
Jan. 03, 2005
David D. Needelman, Torrance, CA (US);
Rongsheng LI, Hacienda Heights, CA (US);
Yeong-wei A. Wu, Rancho Palos Verdes, CA (US);
David D. Needelman, Torrance, CA (US);
Rongsheng Li, Hacienda Heights, CA (US);
Yeong-Wei A. Wu, Rancho Palos Verdes, CA (US);
The Boeing Company, Chicago, IL (US);
Abstract
A method of estimating the alignment of a star sensor () for a vehicle () includes generating star tracker data. A vehicle attitude and a star sensor attitude are determined in response to the star tracker data. A current alignment sample is generated in response to the vehicle attitude and the star sensor attitude. A current refined estimate alignment signal is generated in response to the current alignment sample and a previously refined estimate alignment signal via a vehicle on-board filter ().