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首页> 外文期刊>International Journal of Performability Engineering >Maintenance Modelling using Generalized Renewal Process for Sequential Imperfect Corrective and Preventive Maintenance
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Maintenance Modelling using Generalized Renewal Process for Sequential Imperfect Corrective and Preventive Maintenance

机译：使用广义更新过程进行维护建模，以进行不完善的先后纠正和预防性维护

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The paper attempts to model the imperfect repair with the concept of arithmetic reduction of age (ARA) and also sequentially incorporates the effect of imperfect corrective and preventive maintenance. Four virtual age processes are devised to describe the various after repair restoration patterns as well as different restoration degrees for both CM and PM. The GRP maximum likelihood estimators (MLE) are derived and then used for parameter estimation. The expected number of failures for the proposed approaches are estimated using Monte Carlo simulation. Two different repair effectiveness indices for CM and PM are estimated for all the four approaches to provide a better insight of the maintenance processes. The residual life is predicted using residual mean time to failure based on virtual age at each repair point. The paper concludes with comparative analysis to get adequate insights into the goodness of fit for the proposed models.
机译：本文尝试使用算术年龄减少（ARA）的概念对不完善的维修进行建模，并依次合并不完善的矫正和预防性维护的效果。设计了四个虚拟年龄过程来描述CM和PM的各种修复后修复模式以及不同的修复程度。导出GRP最大似然估计器（MLE），然后将其用于参数估计。使用蒙特卡洛模拟估计了所提出方法的预期失败次数。估算了这四种方法对CM和PM的两种不同的维修效果指数，以更好地了解维护过程。使用剩余平均故障时间根据每个维修点的实际寿命来预测剩余寿命。本文最后进行了比较分析，以充分了解拟议模型的拟合优度。

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