Opportunistic maintenance policy for a two-unit system with failure interactions
Opportunistic maintenance policy for a two-unit system with failure interactions
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发表时间：
2012
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通讯作者：
Li Binfeng
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作者：
Li Binfeng
针对具有Ⅱ类故障的两部件系统，提出了一种基于年龄的机会维修模型，给出了基于年龄的机会维修费用的表达式。以某化工厂循环氢压缩机的维修为例，验证了模型的可行性，并对模型进行了灵敏度分析，结果表明，该模型具有较好的鲁棒性和鲁棒性研究表明，在条件较温和的情况下，基于机龄的机会维修策略可以显著降低两部件串联系统的总维修费用，为真实的设备维修决策提供了参考.
An opportunistic age-based maintenance model is used to reduce maintenance costs for two-unit systems with type Ⅱ failures.An expression was derived for the long-term expected cost using renewal theory based arguments.The optimal opportunistic maintenance policy was then determined to minimize the expected cost.The model was applied to the maintenance of a recycled hydrogen compressor of a chemical factory to validate the model feasibility.A sensitivity analysis was used to identify the model's sensitivity factors.This research indicates that for mild conditions,the opportunistic age-based maintenance policy can significantly reduce the total maintenance costs for the two-unit series system.This research gives helpful insight into equipment maintenance decision making in the real world.