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A UNIFYING SEMI-SUPERVISED APPROACH FOR MACHINE CONDITION MONITORING AND FAULT DIAGNOSIS
A UNIFYING SEMI-SUPERVISED APPROACH FOR MACHINE CONDITION MONITORING AND FAULT DIAGNOSIS
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机译:一种统一的半监督机器状态监测和故障诊断方法
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摘要
A computer-implemented method for performing machine condition monitoring for fault diagnosis includes collecting multivariate time series data from a plurality of sensors in a machine and partitioning the multivariate time series data into a plurality of segment clusters. Each segment cluster corresponds to one of a plurality of class labels related to machine condition monitoring. Next, the segment clusters are clustered into segment cluster prototypes. The segment clusters and the segment cluster prototypes are used to learn a discriminative model that predicts a class label. Then, as new multivariate time series data is collected from the sensors in the machine, the discriminative model may be used to predict a new class label corresponding to segments included in the new multivariate time series data. If the new class label indicates a potential fault in operation of the machine, a notification may be provided to one or more users.
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