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A Gradient Estimation Scheme of an External Unknown Torque on a Satellite | IEEE Conference Publication | IEEE Xplore

A Gradient Estimation Scheme of an External Unknown Torque on a Satellite


Abstract:

Inherent among newly developed "plug and play" satellites will be errors in measurement and placement of the devices-sensors and actuators-on the satellite. Other uncerta...Show More

Abstract:

Inherent among newly developed "plug and play" satellites will be errors in measurement and placement of the devices-sensors and actuators-on the satellite. Other uncertainties also arise due to the unprecise nature of plug and play (PNP) satellites. One of these uncertainties is the body frame to the orbit frame transformation. Not knowing this transformation makes it difficult to accurately model the gravity gradient's influence on the satellite. An adaptive algorithm for the gravity gradient estimation problem is presented.
Date of Conference: 09-13 July 2007
Date Added to IEEE Xplore: 30 July 2007
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Conference Location: New York, NY, USA

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