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Preprints of the Keldysh Institute of Applied Mathematics, 2007, 032, 22 pp. (Mi ipmp487)  

Use of Specified Model of Aerodynamic Torque in Investigation of Spacecraft «Foton»

Vas. V. Sazonov, V. V. Sazonov
Abstract: We develop a new model of attitude motion of spacecraft «Foton». The model is based on Euler's dynamic equations of a rotational motion of a rigid body. It takes into account four external mechanical torques acting upon the spacecraft: a gravitational torque, an aerodynamic torque, a torque which has constant components in a spacecraft body fixed coordinate system, and a torque from the Earth magnetic field. We use the special geometric model of the spacecraft outer shell. The detailed form of the expressions that define the torques above is adjusted with the spacecraft motion concerned. The model was tested in the problem of reconstruction of the «Foton M-2» attitude motion by processing onboard measurements of the Earth magnetic field strength. This spacecraft was in orbit in the period 31.05 - 16.06.2005. The use of the new model resulted in some increase of the reconstruction accuracy.
Document Type: Preprint
Language: Russian
Citation: Vas. V. Sazonov, V. V. Sazonov, “Use of Specified Model of Aerodynamic Torque in Investigation of Spacecraft «Foton»”, Keldysh Institute preprints, 2007, 032, 22 pp.
Citation in format AMSBIB
\Bibitem{SazSaz07}
\by Vas.~V.~Sazonov, V.~V.~Sazonov
\paper Use of Specified Model of Aerodynamic Torque in Investigation of Spacecraft «Foton»
\jour Keldysh Institute preprints
\yr 2007
\papernumber 032
\totalpages 22
\mathnet{http://mi.mathnet.ru/ipmp487}
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