Multi-scale deep intra-class transfer learning for bearing fault diagnosis
Reliability Engineering & System Safety(2020)
摘要
•ResNet-50 is improved to learn low-level features automatically.•Multi-scale feature extractor is embedded in models to decrease information loss.•Distance between domains is measured by conditional maximum mean discrepancy.•Case studies confirm the superiority and robustness of the proposed method.
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关键词
Fault diagnosis,Deep transfer learning,Multi-scale feature learner,Intra-class adaptation
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