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首页> 外文会议>2009 8th International Conference on Reliability,Maintainability and Safety(第八届中国国际可靠性、维修性、安全性会议）论文集 >Reliability Assessment of Functional Unit Based on Accelerated Degradation Data
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Reliability Assessment of Functional Unit Based on Accelerated Degradation Data

机译：基于加速退化数据的功能单元可靠性评估

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This paper describes reliability assessment from measured data of double-stress accelerated degradation test which taking functional unit as research object.Most of performance degradation reliability analyses pay attention to components.Thereby assessments are relatively easy because they have simple function and clear failure mechanism.However,in reality,functional units compose system, and the reliability of a functional unit is affected by all of the jointing components synthetically which puts up a unitary degradation process.On this consideration,double-stress uniformly orthogonal accelerated test is putting on the whole board of functional units under temperature and relative humidity stresses (80°C,55%),(100°C,25%), (90°C,85%),(110°C,65%).Accelerated test design is introduced in this paper and the collected measured degradation data are shown by figures.According to statistical analysis reliability information is inferred from test data and assessment result is compared to results educed by other methods.Conclusion is result gain by this present way and is basically consistent with other studies.Functional unit reliability assessment based on performance degradation data is feasible and reliable.
机译：本文以功能单元为研究对象，从双应力加速退化试验的实测数据中描述了可靠性评估，性能退化可靠性分析大多关注部件，因此评估相对容易，因为其功能简单，故障机理清晰。实际上，功能单元组成了系统，功能单元的可靠性受所有连接部件的综合影响，从而形成了整体退化过程。为此，双应力均匀正交加速试验正在整个板上进行温度和相对湿度应力（80°C，55％），（100°C，25％），（90°C，85％），（110°C，65％）下功能单元的性能。根据统计分析，从测试数据中推断出可靠性信息，并对评估结果进行比较，得出结果。结论是这种方法的结果增益，与其他研究基本一致。基于性能退化数据的功能单元可靠性评估是可行和可靠的。

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