结构模糊可靠性分析方法的泛灰求解

刘杰; 卿启湘; 张青春; 陈小月

doi:10.3879/j.issn.1000-0887.2015.03.006

结构模糊可靠性分析方法的泛灰求解

doi: 10.3879/j.issn.1000-0887.2015.03.006

刘杰^1,2,
卿启湘¹,
张青春^1,3,
陈小月^1,2

¹汽车车身先进设计制造国家重点实验室(湖南大学), 长沙 410082;²特种装备先进设计技术与仿真教育部重点实验室(湖南大学),长沙 410082;³聊城职业技术学院,山东聊城 252000

基金项目: 国家科技支撑计划项目(2012BAH09B02)；高等学校博士学科点专项科研基金(20120161130001)

详细信息

作者简介:
刘杰(1989—)，男，山东人，博士生（E-mail: jliu@hnu.edu.cn）;卿启湘(1964—)，男，湖南人，副教授，博士生导师（通讯作者. E-mail: qixiangcn@163.com）.

中图分类号: TB114.3
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- 文章访问数: 1463
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- PDF下载量: 970
- 被引次数: 0
出版历程
- 收稿日期: 2014-07-21
- 修回日期: 2014-12-21
- 刊出日期: 2015-03-15

Solving of the Structural Fuzzy Reliability Analysis Method With Universal Grey Numbers

¹State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body (Hunan University), Changsha 410082, P.R.China;²Key Laboratory of Advanced Design and Simulation Techniques for Special Equipment of Ministry of Education (Hunan University), Changsha 410082, P.R.China;³Liaocheng Vocational & Technical College, Liaocheng, Shandong 252000, P.R.China

Funds: The National Key Technology R & D Program of China(2012BAH09B02)

摘要

摘要: 针对现有的基于区间求解结构模糊可靠度方法的缺陷，提出了一种新的求解结构模糊可靠度方法.该方法利用泛灰数描述与结构基本变量概率分布相关的不确定参数，并将这些泛灰数引入到结构模糊可靠度计算中，得出了较为精确的结构可靠度计算结果.数值算例表明，该方法得到的结构可靠度区间更窄，实现了利用较少的信息量得到较精确的可靠度计算结果，相比传统的结构模糊可靠度计算方法能提供更多、更精确的关于结构安全程度的有用信息.
- 区间 /
- 泛灰数 /
- 结构可靠性 /
- 模糊可靠性 /
- 不确定性参数
Abstract: To overcome the defects in the existing interval solving of the structural fuzzy reliability analysis method, a new method was proposed. Universal grey numbers were used to describe the basic uncertain parameters related to the probability distributions of the variables, and then these numbers were introduced into analysis of the fuzzy reliability of structures, to give more accurate results. The numerical example shows that the proposed method gets narrower intervals of structural reliability, and achieves more accurate reliability calculation results with less input information. What’s more, in comparison with the traditional fuzzy reliability calculation procedures, the proposed method provides more available and more accurate information about the safety degree of the related structure.
- interval /
- universal grey number /
- structural reliability /
- fuzzy reliability /
- uncertain parameter

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参考文献(19)

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结构模糊可靠性分析方法的泛灰求解

doi: 10.3879/j.issn.1000-0887.2015.03.006

作者简介:
刘杰(1989—)，男，山东人，博士生（E-mail: jliu@hnu.edu.cn）;卿启湘(1964—)，男，湖南人，副教授，博士生导师（通讯作者. E-mail: qixiangcn@163.com）.

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Solving of the Structural Fuzzy Reliability Analysis Method With Universal Grey Numbers

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结构模糊可靠性分析方法的泛灰求解

doi: 10.3879/j.issn.1000-0887.2015.03.006

作者简介: 刘杰(1989—)，男，山东人，博士生（E-mail: jliu@hnu.edu.cn）;卿启湘(1964—)，男，湖南人，副教授，博士生导师（通讯作者. E-mail: qixiangcn@163.com）.

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出版历程

Solving of the Structural Fuzzy Reliability Analysis Method With Universal Grey Numbers

计量

出版历程

目录

作者简介:
刘杰(1989—)，男，山东人，博士生（E-mail: jliu@hnu.edu.cn）;卿启湘(1964—)，男，湖南人，副教授，博士生导师（通讯作者. E-mail: qixiangcn@163.com）.