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| 基于紧缩阈值加速退化试验的长寿命产品可靠性评估 | |
| 引用本文： | 冯静. 基于紧缩阈值加速退化试验的长寿命产品可靠性评估[J]. 电子学报, 2011, 39(6): 1253-1256 |
| 作者姓名： | 冯静 |
| 作者单位： | 国防科技大学信息系统与管理学院系统工程系,湖南长沙 410073 |
| 基金项目： | 国家自然科学基金(No.60804054) |
| 摘 要： | 对于退化失效型产品,当产品的特性参数超过给定阈值时即发生失效,失效阈值定义越严格则对产品功能要求越高,则产品越容易发生因不满足该功能要求而失效,可见产品的寿命数据与失效阈值的定义密切相关.对于长寿命产品,通过紧缩失效阚值的方法,可以在低应力水平下得到更多的失效数据.论文建立了寿命分布与试验应力和失效阈值的关系模型,并提... |
| 关 键 词： | 加速退化试验 退化模型 长寿命产品 可靠性评估 紧缩失效阈值 |
| 收稿时间： | 2009-05-14 |
Reliability Assessment for Long-Life Products Based on ADT with Tightened Critical Values |
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| FENG Jing. Reliability Assessment for Long-Life Products Based on ADT with Tightened Critical Values[J]. Acta Electronica Sinica, 2011, 39(6): 1253-1256 | |
| Authors: | FENG Jing |
| Affiliation: | College of Information System and Management,National University of Defense Technology,Changsha,Hunan 410073,China |
| Abstract: | For products whose failures are defined in terms of performance characteristics exceeding their critical values,reliability assessment can be based on degradation measurements by using degradation models.Since the time-to-failure depends on the level of critical value,more life data can be obtained by tightening the critical value.This paper presents a method for the estimation of life distribution for long life products by using life data from degradation measurements.The relationship between life and crit... |
| Keywords: | accelerated degradation tests(ADT) degradation model long-life products reliability assessment tightened critical values |
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