In order to analyze the reliability of the new lock mechanism which is an important part of aircraft cabin door system, this paper studies the reliability and sensitivity for the lock mechanism based on surrogate models and variance methods respectively. Function hazard analysis (FHA) and failure mode effects analysis (FMEA) of lock mechanism is studied firstly. Then, based on dynamics simulation model, performance function and various random variables, the widely used surrogate models of lock mechanism is established and verified. Based on the most accurate metamodel which has been established, the unlocking reliability which is the most hazardous function is calculated. Finally, the variance-based sensitivity method is used for sensitivity analysis of influence factors, the result shows that the tension of lock-hook from lock-ring is the largest influence factor on the unlocking reliability, which could contribute to the analysis and further improvement of lock mechanism.
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ASME 2015 International Mechanical Engineering Congress and Exposition
November 13–19, 2015
Houston, Texas, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5757-1
PROCEEDINGS PAPER
The Reliability and Sensibility Analysis for an Aircraft Lock Mechanism Based on the Surrogate Models
Wei Guo,
Wei Guo
Northwestern Polytechnical University, Xi’an, China
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Weimin Cui,
Weimin Cui
Northwestern Polytechnical University, Xi’an, China
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Tianxiang Yu,
Tianxiang Yu
Northwestern Polytechnical University, Xi’an, China
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Bifeng Song
Bifeng Song
Northwestern Polytechnical University, Xi’an, China
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Wei Guo
Northwestern Polytechnical University, Xi’an, China
Weimin Cui
Northwestern Polytechnical University, Xi’an, China
Tianxiang Yu
Northwestern Polytechnical University, Xi’an, China
Bifeng Song
Northwestern Polytechnical University, Xi’an, China
Paper No:
IMECE2015-52505, V014T08A009; 9 pages
Published Online:
March 7, 2016
Citation
Guo, W, Cui, W, Yu, T, & Song, B. "The Reliability and Sensibility Analysis for an Aircraft Lock Mechanism Based on the Surrogate Models." Proceedings of the ASME 2015 International Mechanical Engineering Congress and Exposition. Volume 14: Emerging Technologies; Safety Engineering and Risk Analysis; Materials: Genetics to Structures. Houston, Texas, USA. November 13–19, 2015. V014T08A009. ASME. https://doi.org/10.1115/IMECE2015-52505
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