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Analytical method for optimization of maintenance policy based on available system failure data

机译:基于可用系统故障数据的维护策略优化分析方法

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摘要

An analytical optimization method for preventive maintenance (PM) policy with minimal repair at failure, periodic maintenance, and replacement is proposed for systems with historical failure time data influenced by a current PM policy. The method includes a new imperfect PM model based on Weibull distribution and incorporates the current maintenance interval T_0 and the optimal maintenance interval T to be found. The Weibull parameters are analytically estimated using maximum likelihood estimation. Based on this model, the optimal number of PM and the optimal maintenance interval for minimizing the expected cost over an infinite time horizon are also analytically determined. A number of examples are presented involving different failure time data and current maintenance intervals to analyze how the proposed analytical optimization method for periodic PM policy performances in response to changes in the distribution of the failure data and the current maintenance interval.
机译:针对历史故障时间数据受当前PM策略影响的系统,提出了一种故障预防,定期维护和更换次数最少的预防性维护(PM)策略的分析优化方法。该方法包括一个基于Weibull分布的新的不完美PM模型,并结合了当前维护间隔T_0和要找到的最佳维护间隔T。使用最大似然估计来分析地估计威布尔参数。基于此模型,还可以分析确定无限期的最佳PM数量和最佳维护间隔,以最大程度地降低预期成本。提出了许多涉及不同故障时间数据和当前维护间隔的示例,以分析针对故障数据分布和当前维护间隔的变化而提出的周期性PM策略性能的分析优化方法。

著录项

  • 来源
    《Reliability Engineering & System Safety》 |2015年第3期|55-63|共9页
  • 作者单位

    Instituto Tecnologico de Morelia, PGIIE, Av. Tecnologico No. 1500, Lomas de Santiaguito, C.P. 58120, Morelia, Mich., Mexico;

    Instituto Tecnologico de Morelia, PGIIE, Av. Tecnologico No. 1500, Lomas de Santiaguito, C.P. 58120, Morelia, Mich., Mexico;

    Instituto Tecnologico de Morelia, PGIIE, Av. Tecnologico No. 1500, Lomas de Santiaguito, C.P. 58120, Morelia, Mich., Mexico;

    Instituto Tecnologico de Morelia, PGIIE, Av. Tecnologico No. 1500, Lomas de Santiaguito, C.P. 58120, Morelia, Mich., Mexico;

    Instituto Tecnologico de Morelia, PGIIE, Av. Tecnologico No. 1500, Lomas de Santiaguito, C.P. 58120, Morelia, Mich., Mexico;

  • 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

    Preventive maintenance; Reliability; Replacement; Maximum likelihood estimation; Hazard rate;

    机译:预防性的维护;可靠性;替代;最大似然估计;危险率;

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