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首页> 外文期刊>Quality and Reliability Engineering International >Reliability modeling for consecutive k-out-of-n: F systems with local load-sharing components subject to dependent degradation and shock processes
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Reliability modeling for consecutive k-out-of-n: F systems with local load-sharing components subject to dependent degradation and shock processes

机译：连续K-OUT-N：F系统的可靠性建模，具有局部负载共享组件，受相关的劣化和冲击过程

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摘要

Traditional k-out-of-n models assume that the components are independent, while recent research studies assume that the components are dependent caused by global load-sharing characteristic. In this paper, we investigate the consecutive k-out-of-n systems with dependent components by local load-sharing characteristic. The work load and shock load on failed components will be equally shared by adjacent components, so the components tend to fail consecutively. Consequently, the components degradation processes may be diverse, since their degradation rate (dependent on work load) and abrupt degradation (dependent on shock load) become unequal because of local load-sharing effect. Furthermore, the system failure will be path-dependent on the failure sequences of components, which results in that the same system states may have different system failure probabilities. This new dependence makes the system reliability model more complex. In this work, an analytical model that can be solved numerically is derived to compute the reliability with this complex dependence. The developed model is demonstrated by a cable-strut system in the suspension bridge. The results show that the reliability decreases significantly when the new dependence is considered.
机译：传统的K-Out-N型号假设组件是独立的，而最近的研究研究假定该组件是由全球负载共享特性引起的依赖性。在本文中，我们通过局部负载共享特性调查具有依赖组件的连续K-OUT-N个系统。失败组件的工作负载和冲击负载将由相邻的组件同样共享，因此组件倾向于连续失败。因此，由于它们的劣化率（取决于工作负荷）和突然劣化（取决于冲击载荷），因此部件劣化过程可能是不同的，因为由于局部负载共享效果而变得不相等。此外，系统故障将是依赖于组件的故障序列的路径，这导致相同的系统状态可能具有不同的系统故障概率。这种新的依赖使得系统可靠性模型更复杂。在这项工作中，导出可以数值解决的分析模型以计算与这种复杂依赖性的可靠性。开发模型由悬索桥中的电缆 - 支柱系统证明。结果表明，当考虑新依赖时，可靠性显着降低。

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  • 来源
    《Quality and Reliability Engineering International》 |2020年第5期|1553-1569|共17页
  • 作者

    Guo Jianbin; Shen Yongguang; Lu Zhenping; Che Haiyang; Liu Zhuo; Zeng Shengkui;

  • 作者单位

    Beihang Univ Sch Reliabil & Syst Engn Beijing 100191 Peoples R China|Sci & Technol Reliabil & Environm Engn Lab Beijing Peoples R China;

    Commercial Aircraft Corp China Ltd Shanghai Aircraft Design & Res Inst Shanghai Peoples R China;

    Beihang Univ Sch Reliabil & Syst Engn Beijing 100191 Peoples R China|Sci & Technol Reliabil & Environm Engn Lab Beijing Peoples R China;

    Beihang Univ Sch Reliabil & Syst Engn Beijing 100191 Peoples R China|Sci & Technol Reliabil & Environm Engn Lab Beijing Peoples R China;

    Aviat Ind Corp China Ltd Shenyang Aircraft Design & Res Inst Shenyang Peoples R China;

    Beihang Univ Sch Reliabil & Syst Engn Beijing 100191 Peoples R China|Sci & Technol Reliabil & Environm Engn Lab Beijing Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    consecutive k-out-of-n; F systems; dependent degradation and shock processes; local load-sharing components; reliability model;

    机译：连续k-out-n-n;f系统;依赖性退化和冲击过程;本地负载共享组件;可靠性模型;

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