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飞机舱门泄压阀机构磨损可靠性与灵敏度分析

周长聪 赵浩东 常琦 吉梦瑶 李琛

周长聪, 赵浩东, 常琦, 等 . 飞机舱门泄压阀机构磨损可靠性与灵敏度分析[J]. 北京航空航天大学学报, 2021, 47(4): 690-697. doi: 10.13700/j.bh.1001-5965.2020.0024
引用本文: 周长聪, 赵浩东, 常琦, 等 . 飞机舱门泄压阀机构磨损可靠性与灵敏度分析[J]. 北京航空航天大学学报, 2021, 47(4): 690-697. doi: 10.13700/j.bh.1001-5965.2020.0024
ZHOU Changcong, ZHAO Haodong, CHANG Qi, et al. Reliability and sensitivity analysis of relief valve mechanism of aircraft door considering wear[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(4): 690-697. doi: 10.13700/j.bh.1001-5965.2020.0024(in Chinese)
Citation: ZHOU Changcong, ZHAO Haodong, CHANG Qi, et al. Reliability and sensitivity analysis of relief valve mechanism of aircraft door considering wear[J]. Journal of Beijing University of Aeronautics and Astronautics, 2021, 47(4): 690-697. doi: 10.13700/j.bh.1001-5965.2020.0024(in Chinese)

飞机舱门泄压阀机构磨损可靠性与灵敏度分析

doi: 10.13700/j.bh.1001-5965.2020.0024
基金项目: 

国家自然科学基金 51975476

陕西省自然科学基础研究计划 2020JM-135

西北工业大学硕士研究生创意创新种子基金 CX2020115

详细信息
    作者简介:

    周长聪  男, 博士, 副教授, 博士生导师。主要研究方向: 多体动力学仿真、机械可靠性分析与设计

    赵浩东  男, 硕士研究生。主要研究方向: 多体动力学仿真、机械可靠性分析与设计

    通讯作者:

    周长聪. E-mail: changcongzhou@nwpu.edu.cn

  • 中图分类号: V221+.92;V240.2

Reliability and sensitivity analysis of relief valve mechanism of aircraft door considering wear

Funds: 

National Natural Science Foundation of China 51975476

Natural Science Basic Research Program of Shaanxi 2020JM-135

Seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University CX2020115

More Information
  • 摘要:

    泄压阀机构是飞机舱门的重要组成部分,对维持飞机正常安全运行起到重要作用。在ADAMS软件中建立了飞机舱门泄压阀机构多体动力学仿真模型,研究销轴发生以磨损为主要形式的性能退化时,对泄压阀机构定位精度的影响。建立了泄压阀机构定位精度的功能函数,引入主动学习Kriging代理模型,挑选符合学习准则的点提高代理模型精度。采用Monte Carlo方法计算了不同磨损次数下泄压阀机构的失效概率与3种全局灵敏度指标的变化规律,并给出了不同阈值情况下失效概率和基于失效概率的全局灵敏度指标的变化规律。结果表明:在不同磨损次数下,对于磨损量较大的销轴,其全局灵敏度指标值也较大,并且各项指标随磨损次数的变化规律存在差异。

     

  • 图 1  飞机舱门泄压阀机构示意图

    Figure 1.  Schematic diagram of aircraft door's relief valve mechanism

    图 2  不同磨损量下泄压阀的打开角度

    Figure 2.  Opening angles of relief valve under different wear amounts

    图 3  不同销轴处的法向压力随磨损次数变化的曲线

    Figure 3.  Change of normal pressure with wear times for different pins

    图 4  不同销轴处的磨损量随磨损次数变化的曲线

    Figure 4.  Change of wear amounts with wear times for different pins

    图 5  泄压阀机构可靠性和灵敏度分析流程

    Figure 5.  Flowchart of reliability and sensitivity analysis for relief valve mechanism

    图 6  代理模型加点收敛过程

    Figure 6.  Convergence progress of surrogate model adding points

    图 7  不同磨损次数下失效概率随角度阈值的变化规律

    Figure 7.  Rule of failure probability varying with threshold under different wear times

    图 8  δi随销轴磨损次数的变化规律

    Figure 8.  Rule of δi varying with pins wear times

    图 9  ηi随销轴磨损次数的变化规律

    Figure 9.  Rule of ηi varying with pins wear times

    图 10  给定阈值下εi随销轴磨损次数的变化规律

    Figure 10.  Rule of εi varying with pins wear times under fixed threshold

    图 11  3×104次磨损时εi随角度阈值的变化规律

    Figure 11.  Rule of εi varying with angle threshold under 3×104 wear times

    表  1  30 000次磨损时输入变量概率分布信息

    Table  1.   Probability distribution information of input variables at 30 000 times of wear

    变量 分布类型 均值/mm 变异系数
    X1 正态分布 0.255 0.1
    X2 正态分布 0.065 0.1
    X3 正态分布 0.074 0.1
    X4 正态分布 0.101 0.1
    X5 正态分布 0.117 0.1
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-01-16
  • 录用日期:  2020-03-13
  • 网络出版日期:  2021-04-20

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