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http://dx.doi.org/10.5139/JKSAS.2003.31.7.100

The 3-Axis Attitude Stabilization System Design of Picosat Hausat-1  

Seo,Seung-Won (한국항공대학교 항공우주공학과 대학원)
Jeong,Nam-Suk (한국항공대학교 항공우주공학과 대학원)
Jang,Yeong-Geun (한국항공대학교 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.31, no.7, 2003 , pp. 100-111 More about this Journal
Abstract
The HAUSAT-1(Hankuk Aviation University SATellite-1) will orbit at the altitude of 650km-800 km with 65 or 98 degree inclination angle. The effects of magnetic field and Earth gravity are more predominant than other space disturbances because the HAUSAT-1 will be positioned in LEO(Low Earth Orbit). The HAUSAT-1 design implements a magnetic control system and gravity-stable system which implement the solar panel deployment system. The simulation using MATLAB was performed to make sure the attitude stability of HAUSAT-1, which is based on the 8th order magnetic field model and non-linear equations of disturbances and the HAUSAT-1 attitude. The stability is investigated for two different HAUSAT-1 configurations and attitude which are affected by disturbances through simulation. The results for gravity-gradient stable and non gravity-gradient stable system are compared. Methodology of attitude stabilization was explored to develop an effective attitude control system for the HAUSAT-1 using magnetic torquers.
Keywords
Disturbances; Non-linear Equation; Magnetic Torquer; Gravity-gradient Boom;
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