Case Study on Improvement of Reliability Prediction Accuracy in Development Phase for Aircraft

항공기 개발단계에서의 신뢰도 예측 정확도 향상에 관한 사례연구

  • 김영일 (항공우주연구원 항공연구본부) ;
  • 변광식 (삼성테크윈 파워시스템연구소) ;
  • 김한태 (삼성테크윈 파워시스템연구소)
  • Received : 2009.11.16
  • Accepted : 2009.12.26
  • Published : 2009.12.31

Abstract

In development phase of the Aircraft Systems, the reliability prediction of electronic equipments are usually performed using MIL-HDBK-217. The reliability of fielded electronic systems, however, used to be underestimated with MIL-HDBK-217. To solve this problem, some alternatives are suggested and Telcordia SR-332 is among them. In this case study, the reliability of ESU which controls gas turbine engine is predicted using Telcordia SR-332 along with the development test data. The predicted reliabilities of ESU using Telcordia SR-332 and MIL-HDBK-217 are also compared. As a result this case study showed that the predicted reliability using Telcordia SR-332 was better close to field(operation) reliability than MIL-HDBK-217.

Keywords

References

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