| 考虑相关失效时机构的可靠性分析 |
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| 引用本文： | 张彤,赫志飞,刘平,卢锦明.考虑相关失效时机构的可靠性分析[J].天津工业大学学报,2011,30(5):76-79. |
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| 作者姓名： | 张彤 赫志飞 刘平 卢锦明 |
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| 作者单位： | 1. 北京理工大学机械与车辆学院,北京,100081
2. 中机美诺科技股份有限公司,北京,100083 |
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| 摘 要： | 研究了相关失效的定性及定量分析方法,并以曲柄连杆机构为例,进行了从属失效分析及共模失效分析;在定量分析中,采用了整合部分法(unified partial method,UPM)对β因子进行估计,并利用扩展故障树对系统可靠度进行了计算.将相关失效分析与传统的可靠性分析相结合,为其他机械产品的可靠性分析提供了一种新的思路.
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| 关 键 词： | 可靠性分析 相关失效 曲柄连杆机构 扩展故障树 |
Reliability analysis of crank rod system of engine considering dependent failures |
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| ZHANG Tong,HE Zhi-fei,LIU Ping,LU Jin-ming.Reliability analysis of crank rod system of engine considering dependent failures[J].Journal of Tianjin Polytechnic University,2011,30(5):76-79. |
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| Authors: | ZHANG Tong HE Zhi-fei LIU Ping LU Jin-ming |
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| Affiliation: | ZHANG Tong1,HE Zhi-fei2,LIU Ping1,LU Jin-ming1(1.School of Mechanical and Vehicular Engineering,Beijing Institute of Technology,Beijing 100081,China,2.Menoble Co Ltd,Beijing 100083,China) |
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| Abstract: | Method for qualitative analysis and quantitative calculation of dependent failure were researched.The secondary failure and common mode analysis in crank rod system were presented.The β factor was estimated with UPM(unified partial method) in quantitative analysis,and the system reliability was calculated using expanding FTA(fault tree analysis).The dependent failure analysis and traditional reliability analysis methods were integrated.The research provides a new idea for reliability analysis of other mechanical products. |
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| Keywords: | reliability analysis dependent failure crank rod system expanding fault tree |
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