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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국우주과학회 Journal of Astronomy and Space Sciences Journal of Astronomy and Space Sciences 제36권 제4호
- 발행연도
- 2019.1
- 수록면
- 235 - 248 (14page)
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초록· 키워드
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This paper suggests a relative orbit control strategy for the CubeSat Astronomy by NASA and Yonsei using Virtual Telescope Alignment eXperiment (CANYVAL-X) mission. The main goal of CANYVAL-X is to demonstrate an essential technique, which is an arrangement among two satellites and a specific celestial object, referred to as inertial alignment, for a next-generation virtual space telescope. The inertial alignment can be accomplished by an inertial alignment system, which is a relative orbit control system combined with other subsystems, including attitude control, and the system has requirements for the relative state. Through the proposed relative orbit control strategy, consisting of separation, proximity keeping, and reconfiguration, the requirements will be satisfied. The separation direction of the two CubeSats with respect to the orbital plane is decided to provide advantageous initial condition to the orbit controller. Differential atmospheric drag control (DADC), which generates orbit control acceleration by changing the spacecraft’s effective cross section via attitude control rather than consuming propellant, is used for proximity keeping between the two CubeSats. Before the inertial alignment system is activated, reconfiguration is performed because it is difficult to meet the requirements during the proximity-keeping stage. Numerical simulations show that the requirements of the inertial alignment system can be satisfied by the relative orbit control strategy. Furthermore, through numerical simulations, it is demonstrated that the inertial alignment can be achieved using the inertial alignment system when the requirements are satisfied. We had been receiving a beacon signal for several months after the launch; however, we have lost the signal completely at present.
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참고문헌 (18)
참고문헌 신청
Bonin G / 2015 / CanX-4 and CanX-5 precision formation flight: mission accomplished! / 29th Annual AIAA/USU Conference on Samll Satellites
H.-C. Cho / 2009 / Analytic Solution for Fuel-Optimal Reconfiguration in Relative Motion / Journal of Optimization Theory and Applications 141(3):495~512
Foster C / 2017 / Differential drag control scheme for large constellation of planet satellites and on-orbit results / Proceeding of the 9th International Workshop on Satellite Constellations and Formation Flying
E. Gill / 2013 / Formation flying within a constellation of nano-satellites: The QB50 mission / Acta Astronautica 82(1):110~117
한상혁 / 2017 / 한국의 큐브위성 개발 현황 분석 / 한국항공우주학회지 45(11):975~988
H.-C. Cho / 2009 / Analytic Solution for Fuel-Optimal Reconfiguration in Relative Motion / Journal of Optimization Theory and Applications 141(3):495~512
Foster C / 2017 / Differential drag control scheme for large constellation of planet satellites and on-orbit results / Proceeding of the 9th International Workshop on Satellite Constellations and Formation Flying
E. Gill / 2013 / Formation flying within a constellation of nano-satellites: The QB50 mission / Acta Astronautica 82(1):110~117
한상혁 / 2017 / 한국의 큐브위성 개발 현황 분석 / 한국항공우주학회지 45(11):975~988
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