| 机械零件相关失效可靠度计算的二重积分模型 |
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| 引用本文： | 闫明,张义民,李鹤,唐乐.机械零件相关失效可靠度计算的二重积分模型[J].东北大学学报(自然科学版),2011,32(10):1460-1463. |
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| 作者姓名： | 闫明 张义民 李鹤 唐乐 |
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| 作者单位： | 东北大学机械工程与自动化学院,辽宁沈阳,110819 |
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| 基金项目： | 长江学者和创新团队发展计划项目(IRT0816); 高档数控机床与基础制造装备科技重大专项(2009ZX04011- 012,2010ZX04014- 014); 国家自然科学基金资助项目(50875039); 中国博士后科学基金资助项目(20100481201) |
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| 摘 要： | 假设机械零部件同时发生3种或更多种失效模式的事件为极小概率事件,用线性回归法得到不同失效模式下极限状态函数之间的关系,建立相关失效模式下可靠度的二重积分模型.如果极限状态函数之间呈现平方、立方、指数函数等关系时,可以先经过线性变换后再应用该模型.用二重积分模型计算了销钉在相关失效模式下的可靠度,并用Monte Carlo等方法进行了验证.算例表明该相关失效模式下的可靠度计算模型是正确的.
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| 关 键 词： | 可靠性 相关失效模式 线性回归 二重积分模型 Monte Carlo方法 |
Double Integration Model for Reliability Computation of Mechanical Components at Dependent Failure Modes |
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| YAN Ming,ZHANG Yi-min,LI He,TANG Le.Double Integration Model for Reliability Computation of Mechanical Components at Dependent Failure Modes[J].Journal of Northeastern University(Natural Science),2011,32(10):1460-1463. |
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| Authors: | YAN Ming ZHANG Yi-min LI He TANG Le |
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| Institution: | YAN Ming,ZHANG Yi-min,LI He,TANG Le(School of Mechanical Engineering & Automation,Northeastern University,Shenyang 110819,China.) |
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| Abstract: | Supposing that three or more failure modes arise synchronously to be very small probability event,the relationship between limit state functions was established for different failure modes by using linear regression method.A double integration model was built for reliability calculation of mechanical components at dependent failure modes.The model can be used after a linear transformation if a square,cube or exponential relationship appears between the limit state functions.Pin reliability was computed at d... |
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| Keywords: | reliability dependent failure modes linear regression double integration model Monte Carlo method |
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