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

  • 제45권8호
  • /
  • Pages.686-696
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  • 2017
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  • 1225-1348(pISSN)
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  • 2287-6871(eISSN)
한국항공우주학회 (The Korean Society for Aeronautical and Space Sciences)
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3U 큐브위성 표준 플랫폼에 기반한 한누리 5호 개발 및 검증

KAUSAT-5 Development and Verification based on 3U Cubesat Standard Platform

  • Song, Sua (Department of Aerospace & Mechanical Engineering, Graduate School, Korea Aerospace University) ;
  • Lee, Soo-Yeon (Department of Aerospace & Mechanical Engineering, Graduate School, Korea Aerospace University) ;
  • Kim, Hong-Rae (Department of Aerospace & Mechanical Engineering, Graduate School, Korea Aerospace University) ;
  • Chang, Young-Keun (Department of Aerospace & Mechanical Engineering, Graduate School, Korea Aerospace University)
  • 투고 : 2017.04.03
  • 심사 : 2017.07.28
  • 발행 : 2017.08.01
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초록

본 연구에서는 3U 큐브위성의 표준 플랫폼을 기반으로 한누리 5호 위성을 개발하고 이를 검증하였다. 표준 플랫폼의 기계시스템 설계에서는 초소형 부품 및 서브시스템 기능/성능을 초소형 PCB에 집적 및 소형화하도록 하고, 다양한 탑재체를 수용하도록 전기적 능력을 극대화한다. 한누리 5호는 지구저궤도(LEO)에서 운용하는 3U 크기의 큐브위성으로 적외선 카메라를 이용한 지구관측임무와 가이거뮬러 튜브로 우주방사선 측정을 하는 과학임무를 수행한다. 또한, 자체 개발한 소형 가변속제어모멘트자이로(VSCMG)와 퍼지로직 기반의 MPPT (Maximum Power Point Tracking) 등의 부품(장치)들에 대한 기술검증도 포함한다. 한누리 5호의 검증을 위해 한누리 5호 위성체계의 ETB 시험, 기능시험 및 인증(Qualification)과 인수(Acceptance) 수준의 환경시험을 수행하였고 이들 시험결과를 제시하였다.

The major objective of this study is to develop and verify the KAUSAT-5 based on the modular 3U CubeSat standard platform. In the mechanical system design of a 3U standard platform, subsystem and micro equipment functions/performance should be integrated and miniaturized on micro-sized PCBs and electrical capability was maximized to accommodate multiple payloads. KAUSAT-5 is 3U-sized Cubesat which will be operated in Low Earth Orbit(LEO), which implements mainly two scientific missions; one is to observe the Earth through infrared camera and the other is to measure space radiation with a Geiger Muller tube. An additional mission is to verify the equipment(device) such as VSCMG and fuzzy logic-based MPPT internally developed. The results of ETB, qualification and acceptance level environmental tests were shown to verify standard platform and KAUSAT-5 Cubesat.

키워드

참고문헌

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