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论文:2016,Vol:34,Issue(5):761-766 |
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引用本文： |
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冯蕴雯, 郝恒, 薛小锋, 魏宇宏. 飞机阻力伞意外打开可靠性分析[J]. 西北工业大学学报 |
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Feng Yunwen, Hao Heng, Xue Xiaofeng, Wei Yuhong. Airplane Drag Chute Accidental Open Reliability Analysis[J]. Northwestern polytechnical university |
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| 飞机阻力伞意外打开可靠性分析 |
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| 冯蕴雯1, 郝恒1, 薛小锋1, 魏宇宏2 |
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1. 西北工业大学 航空学院, 陕西 西安 710072;
2. 中航飞机 西安飞机分公司, 陕西 西安 710089 |
| 摘要: |
| 阻力伞通常都设计成伞舱门打开阻力伞自动放出，针对飞机阻力伞舱门意外打开故障，以阻力伞机构工作原理为基础，分析得到导致该故障模式的故障原因分别为动力源失效、使用中安全锁定深度不够、弹性元件共振和构件强度刚度不足等，构建了阻力伞意外打开故障树，提出了相应的可靠性分析模型。对某型飞机阻力伞意外打开故障开展了可靠性分析，提出了改进建议与改进方向，为飞机阻力伞机构设计提供有益参考。 |
| 关键词:
阻力伞
意外打开
故障树
可靠性分析
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| Airplane Drag Chute Accidental Open Reliability Analysis |
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| Feng Yunwen1, Hao Heng1, Xue Xiaofeng1, Wei Yuhong2 |
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1. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. AVIC Aircraft Xi'an Aircraft Branch, Xi'an 710089, China |
| Abstract: |
| Airplane drag chute opens automatically when the door opens. Based on working principle, failure causes of the accidental open of an airplane drag chute include failure of power source, lack of safe lock depth, resonance of elastic element, and lack of strength and stiffness. Then the article builds the fault tree and raises relevant reliability analysis model. Citing airplane drag chute system of a certain plane as an example, we do the accidental open reliability analysis and raise improving suggestions. The work can provide reference on the mechanism design for airplane drag chute system. |
| Key words:
drag chute
accidental open
fault tree
reliability analysis
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| 收稿日期: 2016-04-12
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金（10577015）与民用飞机专项科研技术研究项目（MJZ-2014-F-06）资助 |
| 通讯作者:
Email： |
| 作者简介: 冯蕴雯(1968-),女,西北工业大学教授、博士生导师,主要从事飞行器结构机构可靠性设计与分析研究。
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