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For long-lifetime industrial equipments, the online prognostics can predict the remaining useful life (RUL) of the systems in real time, which further offers effective references for the maintenance schedule. Most existing literatures with respect to the issue of prognostics only deal with one single degradation process or simply use the Copula functions to model the correlation structures for multi-component...
Risk analysis, which is a useful methodology to evaluate the performance of systems, can provide important information for maintenance decision and ensure stable running of the system. As a score function of the occurrence, severity and detection of a failure, risk priority number is the most common risk analysis approach. For degrading systems, the probability of failure occurrence could be obtained...
As an important element in condition-based maintenance (CBM) of complex engineering systems, remaining useful life (RUL) prediction has attracted much attention over the last decade. Since the degradation process of a system is uncertain over time as being well recognized, the resultant RUL is random in nature and the uncertainty needs to be quantified in the prediction. It is well known that higher...
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