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论文:2021,Vol:39,Issue(5):971-977 |
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引用本文： |
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冯蕴雯, 宋祉岑, 路成, 刘小飞. 基于FTA-AHP的飞机系统综合灵敏度评价分析[J]. 西北工业大学学报 |
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FENG Yunwen, SONG Zhicen, LU Cheng, LIU Xiaofei. Analysis of comprehensive sensitivity evaluation of aircraft system based on FTA-AHP[J]. Northwestern polytechnical university |
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| 基于FTA-AHP的飞机系统综合灵敏度评价分析 |
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| 冯蕴雯1, 宋祉岑1, 路成1, 刘小飞2 |
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1. 西北工业大学 航空学院, 陕西 西安 710072;
2. 中航工业一飞院, 陕西 西安 710089 |
| 摘要: |
| 针对系统的故障树灵敏度分析缺乏统一评价指标的问题，将层次分析法（analytic hierarchy process，AHP）引入故障树分析（fault tree analysis，FTA）中，提出一种FTA-AHP方法生成系统综合灵敏度评价指标。建立了系统故障树可靠性分析模型，并利用传统的灵敏度分析方法计算概率灵敏度、相对灵敏度及结构灵敏度3种指标。结合层次分析法，依据灵敏度分析结果和最小割集种类确定权重系数，开展系统故障树综合灵敏度评价分析。经案例验证显示比较于传统方法，综合灵敏度排序结果重复性更小，考虑因素全面，便于决策者做出判断。综合灵敏度评价模型的生成为系统可靠性分析提供支持。 |
| 关键词:
故障树分析
层次分析法
综合灵敏度
可靠性分析
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| Analysis of comprehensive sensitivity evaluation of aircraft system based on FTA-AHP |
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| FENG Yunwen1, SONG Zhicen1, LU Cheng1, LIU Xiaofei2 |
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1. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. AVIC The First Aircraft Institute, Xi'an 710089, China |
| Abstract: |
| Aiming at the lack of unified evaluation index for the sensitivity analysis of fault tree of the system, the Analytic Hierarchy Process(AHP) is introduced into Fault Tree Analysis(FTA), and an FTA-AHP method is proposed to generate the comprehensive sensitivity evaluation index of the system. Firstly, the reliability analysis model of the system fault tree is established, and three indexes including probabilistic sensitivity, relative sensitivity and structural sensitivity, are calculated by using the traditional sensitivity analysis method. Then, combined with the analytic hierarchy process, the weight coefficients were determined according to the sensitivity analysis results above and the type of the minimum cut set, and the comprehensive sensitivity evaluation and analysis of the system fault tree were carried out. Finally, the case verification shows that compared with the traditional method, the comprehensive sensitivity ranking results have less repeatability, and the factors are considered comprehensively, which is convenient for decision makers to make judgment. The synthetic sensitivity evaluation model developed provides support for system reliability analysis. |
| Key words:
fault tree analysis
analytic hierarchy process
comprehensive sensitivity
reliability analysis
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| 收稿日期: 2021-06-21
修回日期:
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| DOI: 10.1051/jnwpu/20213950971 |
| 基金项目: 国家自然科学基金（51875465）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,主要从事结构设计与可靠性研究。
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