Optics: measuring and testing – Angle measuring or angular axial alignment – Star/sun/satellite position indication with photodetection
Patent
1999-02-04
2000-02-01
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
Star/sun/satellite position indication with photodetection
73178R, 244166, 244171, 701 13, 702151, G01B 1126, B64G 132, G01C 2100
Patent
active
060209569
ABSTRACT:
A pseudo gyro emulates mechanical gyros by software processes by processing space system appendage measurement data and reaction wheel tachometer data within reference and control systems of a satellite using principals of conservation of momentum to compute the vehicular bus angular velocity rate data by accounting for the momentum transfer between the satellite, the bus, and the appendages for providing accurate relative vehicular position and angular velocity rate data as an integral part of attitude reference and control systems now having higher reliability, longer life times, lower power consumption, and more accurate vehicular angular velocity rate data generated within high bandwidth operations.
REFERENCES:
patent: 3681583 (1972-08-01), Kubo et al.
patent: 5205518 (1993-04-01), Stetson, Jr.
patent: 5259577 (1993-11-01), Achkar et al.
patent: 5308024 (1994-05-01), Stetson, Jr.
Hamada Brian T.
Heatwole Craig M.
Herman Louis K.
Manke Girard M.
McCain Ian M.
Buczinski Stephen C.
Reid Derrick Michael
The Aerospace Corporation
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