Similarity-based failure threshold determination for system residual life prediction

Similarity-based failure threshold determination for system residual life prediction
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用于系统剩余寿命预测的基于相似性的故障阈值确定

DOI:
10.17531/ein.2020.3.15
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发表时间:
2020-06
影响因子:
2.5
通讯作者:
Zheng Changsong
Zheng Changsong
中科院分区:
工程技术3区
文献类型:
--
作者:
Ma Biao;Yan Shufa;Wang Xu;Chen Jiahua;Zheng Changsong

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准确确定系统失效阈值是实现退化系统剩余寿命预测和合理的计划维修策略优化的必要条件。提出了一种基于操作系统与历史系统相似性定量度量的故障阈值确定方法。该相似度先用加权平均函数表示,然后用凸二次方程计算,以最小化操作系统和历史系统之间的方差。通过实时准确地确定系统故障阈值,实现了对操作系统的剩余寿命的更好预测。最后,一个真实的案例研究几个动力换档转向传动系统监测使用油光谱分析,说明和数值比较所提出的方法的改进性能。
An accurate determination of the system failure threshold is an essential requirement in achieving an appropriate system residual life prediction and a reasonable planned maintenance strategy optimization afterward for degradation systems. This paper proposes a failure threshold determination method based on quantitative measurement of the similarity between the operating system and the historical systems. The similarity is formulated by a weighted average function and then calculated by a convex quadratic formulation to minimizing the variance between the operating system and the historical systems. With an accurate determination of the system failure threshold in real-time, a better prediction of the residual life for the operating system is achieved. Finally, a real case study for several power-shift steering transmission systems monitored using oil spectral analysis is adopted to illustrate and numerically compare the improved performance of the proposed method.
DOI: 10.17531/ein.2019.1.15
发表时间: 2018-12
影响因子: 2.5
作者:
Yan Shufa;Ma Biao;Zheng Changsong
通讯作者: Zheng Changsong
DOI: 10.1016/j.engfailanal.2011.02.004
发表时间: 2011-06-01
影响因子: 4
作者:
Xiao, Ningcong;Huang, Hong-Zhong;Jin, Tongdan
通讯作者: Jin, Tongdan
DOI: 10.1002/qre.453
发表时间: 2002
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影响因子: 4.4
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通讯作者: Shengjing Tang;Chuanqiang Yu;Yong-bao Feng;Jian Xie;Q. Gao;Xiaosheng Si
DOI: --
发表时间: 2014
期刊: --
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