GPS attitude determination system and method using baseline...

Details GPS attitude determination system and method using baseline... GPS attitude determination system and method using baseline...

2007-07-19

2008-12-23

Issing, Gregory C (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C701S215000

Reexamination Certificate

active

07468695

ABSTRACT:
The baseline of a GPS attitude determination system is extended beyond the confines of the platform to improve attitude determination. A structurally detached GPS antenna is located away from the platform defining an extended baseline to a body-fixed GPS antenna attached to the platform with an unknown orientation with respect to the platform. An electro-optical (EO) sensor on the platform acquires an EO observable reference feature on the remote GPS antenna and measures the extended baseline orientation with respect to the orientation of the platform. A processor processes GPS data, positional or interferometric, from both GPS antennas to determine the extended baseline orientation in a reference coordinate system. The first and second baseline orientations determine platform attitude.

REFERENCES:
patent: 4949089 (1990-08-01), Ruszkowski, Jr.
patent: 6369755 (2002-04-01), Nichols et al.
patent: 6463366 (2002-10-01), Kinashi et al.
patent: 6507738 (2003-01-01), Allison et al.
patent: 7292185 (2007-11-01), Whitehead et al.
Institute of Navigation, Satellite Division, “Instantaneous GPS Attitude Determination,” Proceedings of the ION GPS-93 Sixth International Technical Meeting of the Satellite Division of the Institute of Navigation, Sep. 22-24, 1993, pp. 603-615.

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