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항공전자장비의 운용자료 분석을 통한 신뢰성 성장 연구A Study on Reliability Growth through Failure Analysis by Operational Data of Avionic Equipments
- Other Titles
- A Study on Reliability Growth through Failure Analysis by Operational Data of Avionic Equipments
- Issue Date
- 2013
- Publisher
- 한국산업경영시스템학회
- Keywords
- Aerospace Reliability; Failure Rate Trend; MFTBF; MIL-HDBK-217F; Reliability Growth
- Citation
- 한국산업경영시스템학회지, v.36, no.4, pp 100 - 108
- Pages
- 9
- Indexed
- KCI
- Journal Title
- 한국산업경영시스템학회지
- Volume
- 36
- Number
- 4
- Start Page
- 100
- End Page
- 108
- ISSN
- 2005-0461
2287-7975
- Abstract
- In aerospace industry, MTBF (Mean Time Between Failure) and MFTBF (Mean Flight Time Between Failure) are generallyused for reliability analysis. So far, especially to Korean military aircraft, MFTBF of avionic equipments is predicted byMIL-HDBK-217 and MIL-HDBK-338, however, the predicted MFTBF by military standard has a wide discrepancy to that ofreal-world operation, which leads to overstock and increase operation cost. This study analyzes operational data of avionicequipments. Operational MFTBF, which is calculated from operational data, is compared with predicted MFTBF calculated conventionallyby military standard. In addition, failure rate trend is investigated to verify reliability growth in operational data, theinvestigation shows that failure rate curve from operational data has somewhat pattern with decreased failure rate and constantfailure rate.
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Collections - 공과대학 > Department of Industrial and Systems Engineering > Journal Articles
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