Fault Diagnosis Method for Rolling Bearings Based on Grey Relation Degree
Yulin Mao,
Jianghui Xin,
Liguo Zang
et al.
Abstract:Aiming at the difficult problem of extracting fault characteristics and the low accuracy of fault diagnosis throughout the full life cycle of rolling bearings, a fault diagnosis method for rolling bearings based on grey relation degree is proposed in this paper. Firstly, the subtraction-average-based optimizer is used to optimize the parameters of the variational mode decomposition algorithm. Secondly, the vibration signals of bearings are decomposed by using the optimized results, and the feature vector of th… Show more
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