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Preventive Maintenance of Critical Assets based on Degradation Mechanisms and Failure Forecast

机译：基于退化机制和故障预测的关键资产预防性维护

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Abstract: When dealing with critical physical assets it is very important to monitor some parameters just to observe and predict the potential time to failure and thus establish a preventive maintenance activity avoiding the unwanted failure occurrence and its consequences. According to periodic (or continuous) data gathered along the time concerning selected parameters it is possible to observe tendencies and determine time to failure, assuming a pre-defined value as the critical one, corresponding to asset failure. The present paper deals with this type of condition monitoring outlining the importance of predicting time to failure and illustrating it with an example where the evolution of a degradation parameter on time for several similar assets is observed and, based on that, the time to failure is determined, allowing to establish the right moment for maintenance for these type of assets operating in these conditions.
机译：摘要：在处理重要的有形资产时，监视某些参数只是为了观察和预测潜在的故障时间，从而建立预防性维护活动，避免不必要的故障发生及其后果，这一点非常重要。根据沿着与所选参数有关的时间收集的周期性（或连续）数据，有可能观察到趋势并确定故障时间，并假定一个预定值作为关键值，对应于资产故障。本文讨论了这种状态监测，概述了预测故障时间的重要性，并以一个实例为例进行了说明，其中观察到了几种相似资产的降解参数随时间的变化，在此基础上，故障时间为确定，从而为在这种情况下运行的这类资产确定合适的维护时机。

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