| 基于模糊故障树理论卷板机可靠性分析 |
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| 引用本文： | 阎树田,郭波,崔庆成.基于模糊故障树理论卷板机可靠性分析[J].机械与电子,2009(11):23-26. |
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| 作者姓名： | 阎树田 郭波 崔庆成 |
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| 作者单位： | 1. 兰州理工大学数字制造技术与应用省部共建教育部重点实验室,甘肃,兰州,730050;兰州理工大学机电工程学院,甘肃,兰州,730050
2. 兰州理工大学数字制造技术与应用省部共建教育部重点实验室,甘肃,兰州,730050 |
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| 摘 要： | 利用故障树对卷板机的升降工作辊系统进行可靠性分析，考虑到基本事件的发生概率存在不确定性，采用三角模糊数将故障树中基本事件的发生概率模糊化，根据最小割集法的求解对其故障进行定性分析，利用定义和中值法对其故障进行定量分析，建立了基于三角模糊数的故障树分析方法流程，为提高系统的可靠性提供了分析依据。
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| 关 键 词： | 卷板机 升降工作辊系统 三角模糊数 故障树 中值法 |
Reliability Analysis of Roll Bending Machine Based on Fuzzy Fault Tree |
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| YAN Shu-tian,GUO Bo,CUI Qing-cheng.Reliability Analysis of Roll Bending Machine Based on Fuzzy Fault Tree[J].Machinery & Electronics,2009(11):23-26. |
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| Authors: | YAN Shu-tian GUO Bo CUI Qing-cheng |
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| Affiliation: | YAN Shu - tian ,GUO Bo ,CUI Qing - cheng (1. Key Laboratory of Numerical Manufacture and Application Lanzhou University of Technology,Lanzhou 730050,China; 2. Faculty of Mechanical and Electtiacal Enyineering, Lanzhou University of Technology,Lanzhou 730050,China) |
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| Abstract: | With fault tree the reliability of elevate working roller of roll bending machine is analyzed. In view of the uncertainty and imprecision of each basic event,triangle fuzzy set based fault tree method is introduced. According to the solution to the smallest cut set, definition and median method, a qualitative and quantitative analysis of fault can be carried out, the fault tree analysis method was proposed based on trianglar fuzzy number and it provide basis for system reliability |
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| Keywords: | roll bending machine elevate working roller trianglar fuzzy number fault tree median method |
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