Diesel engine small-sample transfer learning fault diagnosis algorithm based on STFT time–frequency image and hyperparameter autonomous optimization deep convolutional network improved by PSO–GWO–BPNN surrogate model
Aiming at the problems of complex diesel engine cylinder head signals, difficulty in extracting fault information, and existing deep learning fault diagnosis algorithms with many training parameters, high time cost, and high data volume requirements, a small-sample transfer learning fault diagnosis...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
De Gruyter
2022-10-01
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Series: | Open Physics |
Subjects: | |
Online Access: | https://doi.org/10.1515/phys-2022-0197 |