ABSTRACT
Bearing faults, characterized by their low probability occurrence and limited sample availability, present challenges in accurate diagnosis. Traditional data-driven diagnostic methods exhibit reduced accuracy and generalization in small datasets. This paper presents a Siamese networks model based on metric learning, which is used for bearing faults classification. Vibration signals are preprocessed using continuous wavelet transform (CWT), and features are extracted through the MobileNetV3 backbone network. The model employs Euclidean distance measurement for training and classification, demonstrating high accuracy under limited sample data.
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