무궁화위성 1,2호의 지상용 자세 데이터 추정 기법 연구Ground Based Attitude Determination Techniques for Koreasat 1,2

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Momentum Biased System is adopted as an attitude control system of Koreasat 12. Roll/pitch angles are measured by an Earth sensor, while other attitude data are not directly measured. Based upon kinematic coupling effect between momentum wheel and orbit rate, the other attitude data that are not measured can be estimated. In this research, nonlinear attitude dynamics of Koreasat 1,2 are derived and attitude estimation software using the Extended Kalman Filter are implemeted and tested by using the simulation data. In this way the attitude data not measured for a geosynchronous satellite using momentum biased system can be shown to be estimated in real-time.
Publisher
한국항공우주학회
Issue Date
2000-02
Language
Korean
Citation

한국항공우주학회지, v.28, no.1, pp.87 - 96

ISSN
1225-1348
URI
http://hdl.handle.net/10203/76229
Appears in Collection
AE-Journal Papers(저널논문)
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