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http://dx.doi.org/10.5139/JKSAS.2003.31.9.064

Compute Effective Onboard Stationkeeping System for Geostationary Satellites  

Park,Bong-Gyu (한국항공우주연구원 통신위성체계그룹)
Tak,Min-Je (한국과학기술원 항공우주공학과)
Bang,Hyo-Chung (한국과학기술원 항공우주공학과)
Choe,Jae-Dong (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.31, no.9, 2003 , pp. 64-74 More about this Journal
Abstract
This paper proposes a new autonomous stationkeeping system suitable for geostationary satellite and conducts computer simulation to verify the proposed algorithm. The proposed onboard system receives pseudo-range signal from ground equipments located at two different position with long baseline, determines the orbit error in realtime and generates orbit control commands. For minimized onboard stationkeeping logic and better reliability, the orbit controller is designed to generate control signal to have the orbit roughly follow predetermined reference range data which is generated through ground based computer simulation. The reference range data is assumed to be uploaded with time tag. A simple orbit controller is proposed which combines the reference $\Delta$V and feedback control signal. Finally, the performance of the proposed system is verified through the computer simulations.
Keywords
Autonomous Stationkeeping; Geostationary Satellite; Onboard Stationkeeping;
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