Korean Journal of Remote Sensing (대한원격탐사학회지)

Korean Society of Remote Sensing (대한원격탐사학회)
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Scenario Based Operating Satellite Payload Data Analysis Method to Secure Highly Reliable EGSE Early

고신뢰성 지상시험지원장비 조기 확보를 위한 시나리오 기반 위성 탑재체 패킷 분석방법

  • Lee, Jong-Tae (Satellite Payload Research Office, Korea Aerospace Research Institute) ;
  • Lee, Ki-Jun (Department of Electronics Engineering, Chungnam National University)
  • 이종태 (한국항공우주연구원 위성탑재체연구단) ;
  • 이기준 (충남대학교 전자공학과)
  • Received : 2017.07.07
  • Accepted : 2017.09.22
  • Published : 2017.10.30
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Abstract

Since satellites, including payloads, are limited in how they can respond to problems after launch, the functionality of the satellite should be verified sufficiently by EGSE (Electrical Ground Support Equipment). In addition, considering the trend that the development period of the satellite is shortening and the development of the EGSE must precede the development of the engineering model of electronic equipment, early securing of EGSE is necessary to comply with the development schedule of the entire satellite. In this paper, we propose a method for early securing highly reliable EGSE by devising a scenario based operating payload packet analyzer, which is a part of the EGSE, through functional modularization and external parameterization, and show the result of applying the implemented payload packet analyzer to real satellite program.

탑재체를 포함한 위성은 발사 이후 문제 발생시 조치할 수 있는 방법이 한정적이므로, 지상시험지원장비를 이용하여 그 기능을 충분히 검증하여야 한다. 또한 위성의 개발기간이 단축되고 있는 추세와 지상시험지원장비의 개발 완료시점이 전장품 엔지니어링 모델 개발완료보다 앞서야 한다는 점을 고려하면, 지상시험지원장비의 조기 확보는 위성 전체의 개발일정 준수를 위해서 반드시 필요하다고 할 수 있다. 본 논문에서는 지상시험지원장비의 일부인 탑재체 패킷 분석장치를 기능별 모듈화와 외부 파라메터화를 통해 시나리오 기반으로 동작할 수 있게 고안하여 고신뢰도의 지상시험지원장비 조기 확보방안을 제시하고, 구현한 장비를 실재 위성 개발사업에 적용한 결과를 보여준다.

Keywords

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