Journal of the Korean Society for Aeronautical & Space Sciences (한국항공우주학회지)

The Korean Society for Aeronautical and Space Sciences (한국항공우주학회)
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Numerical Investigation of On-orbit Thermal Characteristics for Cube Satellite with Passive Attitude Stabilization Method

수동형 자세제어 안정화 방식을 적용한 큐브위성의 열적 특성분석

  • Oh, Hyun-Ung (Department of Aerospace Engineering, Chosun University) ;
  • Park, Tae-Yong (Department of Aerospace Engineering, Chosun University)
  • Received : 2013.07.13
  • Accepted : 2014.04.16
  • Published : 2014.05.01
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Abstract

Passive attitude stabilization methods using the permanent magnet combined with hysteresis damper and the gravity gradient boom have been widely used for the attitude determination and control of cube satellite, due to its advantage of system simplicity. In this paper, on-orbit thermal characteristics of the cube satellite considering the attitude profiles obtained from the above passive attitude stabilization methods have been investigated through on-orbit thermal analysis. In addition, the effectiveness of the various thermal coatings on the panel for the communication antenna installation has been verified.

히스테리시스 댐퍼를 조합한 영구자석과 중력붐을 적용한 수동형 자세제어 안정화 방식은 시스템의 단순화가 가능하여 임무목적에 따라 큐브위성의 자세제어에 용이하게 적용되고 있다. 상기의 자세제어 안정화 방식을 적용한 경우, 큐브위성의 자세 프로파일은 상이하며, 본 논문에서는 각각의 자세제어 방식 적용에 따른 큐브위성의 열적 특성을 궤도 열해석을 통해 분석하였다. 또한, 통신용 안테나 장착 등의 목적으로 태양전지셀이 장착되지 않는 판넬 표면의 상이한 열코팅 적용에 따른 큐브위성의 열적 영향을 분석하였다.

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References

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