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KOMPSAT-2 Fault and Recovery Management
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  • KOMPSAT-2 Fault and Recovery Management
  • KOMPSAT-2 Fault and Recovery Management
저자명
Baek. Myung-Jin,Lee. Na-Young,Keum. Jung-Hoon
간행물명
KSAS international journal
권/호정보
2002년|3권 2호|pp.31-39 (9 pages)
발행정보
한국항공우주학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

In this paper, KOMPSAT-2 on-board fault and ground recovery management design is addressesed in terms of hardware and software components which provide failure detection and spacecraft safing for anomalies which threaten spacecraft survival. It also includes ground real time up-commanding operation to recover the system safely. KOMPSAT-2 spacecraft fault and recovery management is designed such that the subsequent system configuration due to system initialization is initiated and controlled by processors. This paper will show that KOMPSAT-2 has a new design feature of CPU SEU mitigation for the possible upsets in the processor CPUs as a part of on-board fault management design. Recovery management of processor switching has two different ways: gang switching and individual switching. This paper will show that the difficulties of using multiple-processor system can be managed by proper design implementation and flight operation.