US Patent No: 5,957,410

Number of patents in Portfolio can not be more than 2000

Earth oriented satellite and process for controlling the position, nutation and spin

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A low earth orbiting satellite control arrangement according to the invention has an earth sensor for measuring roll and pitch of the satellite relative to an earth oriented moving reference system, a spin wheel mounted along an axis perpendicular to the orbital plane of the satellite for measuring spin of the satellite, and two magnet coils for generating control. A first of the two magnet coils is aligned substantially in parallel to a roll axis of the satellite, and the second is aligned substantially parallel to the yaw axis. Alternative control algorithms are disclosed for controlling attitude, nutation and spin of the satellite based on information from the earth sensor, spin wheel and an observer which is also mounted on the satellite.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DAIMLER-BENZ AEROSPACE AGDE24

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bruederle, Ernst Ottobrunn, DE 5 33
Fichter, Walter Munich, DE 14 64
Surauer, Michael Chieming, DE 16 172

Cited Art Landscape

Patent Info (Count) # Cites Year
 
AEROSPATIALE SOCIETE NATIONALE INDUSTRIELLE (2)
* 5,259,577 Attitude control system for three-axis stabilized satellite in near-equatorial orbit 21 1991
* 5,269,483 Continuously acting one-way satellite roll-yaw attitude control method and device 16 1992
 
HUGHES ELECTRONICS CORPORATION (2)
* 5,413,293 Magnetic torque attitude control systems 7 1992
* 5,540,405 Method and apparatus for compensating for magnetic disturbance torques on a satellite 11 1993
 
LOCKHEED MARTIN CORPORATION (2)
* 4,916,622 Attitude control system 11 1988
* 5,343,398 Spacecraft roll-yaw compensator with orbit-rate and harmonic bandpass filters 10 1992
 
COMSAT CORPORATION (1)
* 4,776,540 Method of orienting a synchronous satellite 20 1987
 
Messerschmitt-Bolkow-Blohm GmbH (1)
* 4,746,085 Method for determining the earth's magnetic field and a satellite's attitude for attitude control 9 1987
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
The Boeing Company (2)
* 6,508,438 Spacecraft orbit control using orbit position feedback 4 2001
8,620,496 Systems and method of controlling a spacecraft using attitude sensors 0 2008
 
LOCKHEED MARTIN CORPORATION (1)
* 6,471,161 Satellite attitude control system 4 1999
 
SPACE SYSTEMS/LORAL, LLC (1)
* 6,292,722 Magnetic torquer control with thruster augmentation 7 2000
* Cited By Examiner