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首页> 外文期刊>Reliability Engineering & System Safety >Joint optimisation of inspection maintenance and spare parts provisioning: a comparative study of inventory policies using simulation and survey data
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Joint optimisation of inspection maintenance and spare parts provisioning: a comparative study of inventory policies using simulation and survey data

机译：联合优化检查维护和备件供应：使用模拟和调查数据对库存策略进行比较研究

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摘要

The demand for industrial plant spare parts is driven, at least in part, by maintenance requirements. It is therefore important to jointly optimise planned maintenance and the associated spare parts inventory using the most appropriate maintenance and replenishment policies. In this simulation-based study, we address this challenge in the context of the random failure of parts in service and the replacement of defective parts at inspections of period T. Inspections are modelled using the delay-time concept. A number of simultaneous periodic review and continuous review replenishment policies are compared. A paper making plant provides a real context for the presentation of our ideas. We survey practitioners working with such plant to collect real data that inform the values of parameters in the models. Our simulation results indicate that a periodic review policy with ordering that is twice as frequent as inspection is cost optimal in the context of the plant that we study. For the purpose of comparison, we also present and discuss the characteristics of the various policies considered. (C) 2017 Elsevier Ltd. All rights reserved.
机译：对工业厂房备件的需求至少部分是由维护需求驱动的。因此，使用最适当的维护和补货策略共同优化计划的维护和相关的备件库存非常重要。在此基于仿真的研究中，我们在服役的零件随机失效以及在T期检查中更换有缺陷零件的情况下解决了这一挑战。使用延迟时间概念对检查进行建模。比较了多个同时进行的定期检查和连续检查的补货政策。一家造纸厂为我们提出想法提供了真实的环境。我们调查了与此类工厂合作的从业人员，以收集实际数据，这些数据可为模型中的参数值提供信息。我们的模拟结果表明，在我们研究的工厂中，定购周期为检查频率两倍的定期审查策略是成本最佳的。为了进行比较，我们还介绍并讨论了所考虑的各种政策的特征。 （C）2017 Elsevier Ltd.保留所有权利。

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