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首页> 外文期刊>International Journal of Computer Integrated Manufacturing >Modelling of multi-stage production lines with maintenance operations
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Modelling of multi-stage production lines with maintenance operations

机译：具有维护操作的多阶段生产线建模

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A multi-stage production line consists of a series of machines, which are subject to failures owing to wearouts and other random causes. While random failures are unavoidable and need corrective maintenance (CM), wearout failures can be avoided by preventive maintenance (PM), including tool change operations. Both types of maintenances can cause significant production losses, particularly if the production line is automated and the stations are rigidly linked. Therefore, intermediate buffers are introduced to decouple the rigidly linked machinery and to localize the losses caused by equipment stoppages. Reliability and productivity calculations of multi-stage lines with storage units can be quite complex. Furthermore, closed form solutions are generally not possible when preventive and corrective maintenances are incorporated into the model. In this paper, we present a discrete mathematical model integrated into an iterative simulation procedure to determine the production output rate of a multi-stage line with corrective and preventive maintenance operations.
机译：多级生产线由一系列机器组成，这些机器由于磨损和其他随机原因而导致故障。虽然不可避免会出现随机故障，需要进行纠正性维护（CM），但可以通过预防性维护（PM）来避免磨损故障，包括工具更换操作。两种类型的维护都可能导致大量的生产损失，特别是如果生产线是自动化的并且站台是刚性连接的，则尤其如此。因此，引入了中间缓冲器以使刚性连接的机械解耦，并定位由设备停机引起的损失。具有存储单元的多级生产线的可靠性和生产率计算可能非常复杂。此外，当将预防性和纠正性维护纳入模型时，通常不可能采用封闭形式的解决方案。在本文中，我们提出了一种离散数学模型，该模型集成到迭代仿真过程中，可以确定具有纠正性和预防性维护操作的多级生产线的生产产出率。

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