槽式扭矩盒太阳能聚光系统的故障树分析
周剑1，梁尚明1*，乔红伟2
（1.四川大学 制造科学与工程学院，四川 成都 610065；2.德阳东方阿贝勒管道系统有限公司，四川 绵竹 618200）
摘要：为了提高槽式扭矩盒太阳能聚光系统的可靠性，利用模糊故障树分析法对其进行分析研究。建立了槽式扭矩盒太阳能聚光系统的故障树，通过定性分析得出了该故障树的最小割集。针对该系统故障发生概率具有模糊性及不确定性的特点，将模糊理论引入故障树分析，采用模糊数刻画底事件发生概率。在定性分析的基础上进行定量计算，得出了系统故障树顶事件发生的模糊概率隶属函数图象。
关键词：槽式扭矩盒太阳能聚光系统；可靠性；模糊数；隶属函数；模糊故障树
中图分类号：TK512 文献标志码：A doi：10.3969/j.issn.1006-0316.2016.05.005
文章编号：1006－0316 (2016) 05－0018－05
Fault tree analysis for trough type torque box solar collector system
ZHOU Jian1，LIANG Shangming1，QIAO Hongwei2
( 1.School of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, China; 2.Deyang Dongfang Aberle Pipe System Co., Ltd., Mianzhu 618200, China )
Abstract：In order to increase the reliability of trough type torque box solar collector system, it was studied by using the fuzzy fault tree analysis method. The fault tree of trough type torque box solar collector system was established. The minimal cut sets of this fault tree were obtained through the qualitative analysis. According to the characteristics of the solar collector system fault's probability with fuzziness and uncertainty, the fuzzy theory was used for the fault tree analysis of trough type torque box solar collector system. The probability of basic event occurrence in the fault tree of the solar collector system was described by fuzzy numbers. The quantitative calculation was carried out on the basis of qualitative analysis, and membership function image of the fuzzy probability of top event occurrence in the fault tree was obtained.
Key words：trough type torque box solar collector system；reliability；fuzzy number；membership function；fuzzy fault tree
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收稿日期：2015－11－04
作者简介：周剑（1987－），男，甘肃陇南人，工学硕士，主要研究方向为机械设计及理论。*通讯作者：梁尚明（1961－），男，四川隆昌人，博士，教授，主要研究方向为机械设计及理论、CAD/CAE。
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