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融合加速试验及外场使用信息的寿命评估方法

王立志 姜同敏 李晓阳 王晓红

王立志, 姜同敏, 李晓阳, 等 . 融合加速试验及外场使用信息的寿命评估方法[J]. 北京航空航天大学学报, 2013, 39(7): 947-951.
引用本文: 王立志, 姜同敏, 李晓阳, 等 . 融合加速试验及外场使用信息的寿命评估方法[J]. 北京航空航天大学学报, 2013, 39(7): 947-951.
Wang Lizhi, Jiang Tongmin, Li Xiaoyang, et al. Lifetime evaluation method with integrated accelerated testing and field information[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(7): 947-951. (in Chinese)
Citation: Wang Lizhi, Jiang Tongmin, Li Xiaoyang, et al. Lifetime evaluation method with integrated accelerated testing and field information[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(7): 947-951. (in Chinese)

融合加速试验及外场使用信息的寿命评估方法

详细信息
  • 中图分类号: TB114.3

Lifetime evaluation method with integrated accelerated testing and field information

  • 摘要: 加速试验技术是开展寿命评估的重要手段,它能够在短时间内得到大量的寿命信息,弥补了外场信息稀缺的问题.然而实验室环境并不能完全代表外场使用环境,它们之间存在一定的差异,其结果也往往不能反应产品的实际情况.针对上述问题,提出一种能够综合加速寿命试验、加速退化试验和外场信息的贝叶斯建模评估方法,利用修正因子对实验室和外场的差异进行修正,利用马尔科夫蒙特卡洛方法进行统计推断,从而得到更为精确的外场可靠寿命及可靠性评估结果.最后通过仿真案例对该方法的实施过程进行了说明及验证,并对其精度和敏感性进行了分析.

     

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  • 被引次数: 0
出版历程
  • 收稿日期:  2012-07-23
  • 网络出版日期:  2013-07-30

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