| 完全检查下预防维修模型建立及案例分析 |
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| 引用本文： | 吕文元.完全检查下预防维修模型建立及案例分析[J].上海理工大学学报,2007,29(6):605-608. |
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| 作者姓名： | 吕文元 |
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| 作者单位： | 上海理工大学管理学院,上海,200093 |
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| 基金项目： | 国家自然科学基金;上海市重点学科建设项目 |
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| 摘 要： | 为了解决维修间隔期确定的难题,建立了维修间隔期和总停机时间之间关系的目标函数,以及时间延迟维修模型.根据故障记录数据和预防维修活动的检查数据,采用最大似然法估计有关缺陷发生率和时间延迟分布等参数.在所建立目标函数和估计参数的基础上,计算出最优的维修间隔期.
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| 关 键 词： | 时间延迟 预防维修 参数估计 模型 |
| 文章编号： | 1007-6735(2007)06-0605-04 |
| 修稿时间： | 2006年11月12 |
Modelling of preventive maintenance on condition of perfect inspections and a case study |
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| L.Modelling of preventive maintenance on condition of perfect inspections and a case study[J].Journal of University of Shanghai For Science and Technology,2007,29(6):605-608. |
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| Authors: | L |
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| Institution: | L(U) Wen-yuan |
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| Abstract: | To solve the problem of determining the preventive maintenance interval of production plant,target function is proposed to describe the relationship between the total downtime and the preventive maintenance(PM) interval,and a delay time model is presented.The model developed is fitted to the maintenance data of recorded failures and the number of defects identified at PM.The parameter values of the process during which defects arise and of the delay time distribution are estimated using the method of maximum likelihood.Based upon the estimated model parameters and target function,an optimal inspection interval of PM is identified. |
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| Keywords: | delay time preventive maintenance parameter estimation modelling |
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