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Mechanical System Design and Development of the HAUSAT-1 Picosatellite

초소형위성 HAUSAT-1의 기계시스템 설계 및 개발

  • 황기룡 (한국항공대학교 대학원) ;
  • 민명일 (한국항공대학교 대학원) ;
  • 문병영 (한국항공대학교 대학원) ;
  • 장영근 (한국항공대학교 항공우주 및 기계공학부)
  • Published : 2004.11.01

Abstract

The satellite is exposed to the severe vibration environments such as random vibration environments such as random vibration, acceleration, shock, and acoustics during launch ascent and transportation. It is also faced with various space environments such as thermal vacuum, radiation and microgravity during the mission life. The satellite should be designed, manufactured, assembled and tested to be able to endure in these harsh environments. This paper addresses the results of the structural and thermal design and analyses for the HAUSAT-1 picosatellite which is scheduled to launch in the first quarter of 2005 by Russian launch vehicle "Dnepr". The qualification vibration and thermal vacuum tests have been conducted and passed at the satellite level to ensure that the HAUSAT-1 mechanical system was designed to be stable with enough margin.

위성은 조립 및 시험 완료 후 운반 및 발사 순간부터 임무 궤도로 진입할 때까지 발사체에 의한 정하중, 동하중 및 충격하중을 겪게 되며, 임무궤도에서 열진공, 복사 및 미세중력 환경하에 놓이게 되어 위성의 설계, 제작, 조립 및 시험 시 이들 발사환경과 우주환경을 고려하여 개발을 수행하여야 한다. 본 논문에서는 HAUSAT-1 피코위성의 구조 열해석과 설계 결과를 논의하고, 발사 과정과 우주에서 겪게 되는 환경을 모사한 발사환경 및 우주환경시험의 결과를 논의한다. HAUSAT-1 위성의 기계시스템은 인증 수준의 진동시험과 열진공시험 후에도 안정하다는 것을 확인하였다.

Keywords

References

  1. 장영근, 이동호, "인공위성 시스템 설계공학" 1997, 경문사.
  2. Stanford Univ. and CalPoly, "CubeSat Design Specifications Document", Rev. VIII, 2003.
  3. "Genenral Environment Verification for STS & ELV, Payloads, Subsystems and Component", NASA Goddard Space Flight Center, 1996.
  4. Stanford Univ. and CalPoly, "Standard Vibration Test Operating Procedure" (SVTOP), 2002.

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