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Multiple-point defects and abraded surfaces in rotary machinery induce complex vibration signatures, and have a tendency to mislead defect diagnosis models. A challenging problem in machine defect diagnosis is to model and study defect signature dynamics in the case of multiple-point defects and surface abrasion. In this study, a multiple-point defect model (MPDM) that characterizes the dynamics of...
Currently, condition-based maintenance becomes more and more important with the addition of factory automation through the development of new technologies. For many complicated machines, it is difficult to use the mathematical model to describe their faults. Intelligent maintenance makes it possible to perform maintenance similar to that of a human being. Support vector machine (SVM) has become famous...
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