항공우주시스템공학회지 (Journal of Aerospace System Engineering)

  • 제12권1호
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  • Pages.17-26
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  • 2018
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  • 1976-6300(pISSN)
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  • 2508-7150(eISSN)
항공우주시스템공학회 (The Society for Aerospace System Engineering)
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인공위성과 가변속 제어모멘트자이로의 상호작용 모델링 및 해석

Modeling and Analysis of Interactions Between A Satellite and Variable-Speed Control Moment Gyros

  • 진재현 (순천대학교 우주항공공학과/우주항공연구센터) ;
  • 이현재 (조선대학교 항공우주공학과)
  • Jin, Jaehyun (Dept. of Aerospace Engineering/Center for Aerospace Engineering Research, Sunchon National University) ;
  • Leeghim, Henzeh (Department of Aerospace Engineering, Chosun University)
  • 투고 : 2017.11.13
  • 심사 : 2017.12.29
  • 발행 : 2018.02.28
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초록

다물체 동역학 기법을 이용하여 가변속 제어모멘트자이로와 인공위성의 상호작용하는 모델을 개발한 연구결과를 소개한다. 이 상호작용 모델을 이용하여, VCMG 모터의 사양 설계와 위성 구조물의 강도설계에 활용할 수 있는 데이터를 얻었다. 그리고 태양 전지판과 같은 유연 모듈의 상호작용 효과도 포함하였다. 위성의 기동에 의하여 유연 모드가 야기되고, 이 모드의 진동에 의하여 위성 자세에 변동이 가해진다. 모델리카 언어로 시뮬레이션 프로그램을 개발하고, 제시한 모델의 타당성을 검증하였다.

The interaction model between variable-speed control moment gyros and a satellite has been studied based on the multi-body dynamics. Using the interaction model, we could obtain data for the design of VCMG motors and the strength design of structure. The interaction effects of flexible modules such as solar panels were included. Flexible modes are excited by the satellite's maneuver, and these modes cause perturbations in the satellite attitude. We developed a simulation program by Modelica and verified the proposed model.

키워드

과제정보

연구 과제번호 : 초소형 위성의 자세제어용 가변속 CMG 설계 및 제어기술

연구 과제 주관 기관 : 한국연구재단

참고문헌

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