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Maintenance processes modelling and optimisation

机译：维护流程建模和优化

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A Maintenance Procedure is conducted in order to prevent the failure of a system or to restore the functionality of a failed system. Such a procedure consists of a series of tasks, each of which has a distribution of times to complete and a probability of being performed incorrectly. The inclusion of tests can be used to identify any maintenance errors which have occurred. When an error is identified it can be addressed through a corresponding correction sequence which will have associated costs and add to the maintenance process completion time. A modified FMEA approach has been used to identify the possible tests. By incorporating any selection of tests into the maintenance process it can then analysed using a discrete-event simulation to predict the expected completion time distribution. The choice of tests to perform and when to do them is then made to successfully complete the maintenance objective in the shortest possible time using a genetic algorithm. The methodology is demonstrated by applying it to the repair process for a car braking system. The developed method is suitable for application in abroad range of industries. (C) 2017 Elsevier Ltd. All rights reserved.
机译：进行维护程序是为了防止系统故障或恢复故障系统的功能。这样的过程由一系列任务组成，每个任务都有完成时间的分布以及执行不正确的可能性。测试内容可用于识别已发生的任何维护错误。当发现错误时，可以通过相应的更正序列来解决，该序列将产生相关的成本并增加维护过程的完成时间。已使用改进的FMEA方法来识别可能的测试。通过将任何选择的测试合并到维护过程中，可以使用离散事件模拟对其进行分析，以预测预期的完成时间分布。然后使用遗传算法选择要执行的测试以及何时执行测试，以在最短的时间内成功完成维护目标。该方法论已通过将其应用于汽车制动系统的维修过程得到了证明。所开发的方法适用于国外各种行业。 （C）2017 Elsevier Ltd.保留所有权利。

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