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- W2904698032 abstract "Early and accurately detecting faults in rotating machineries is crucial for operation safety of modern manufacturing system. In this paper, we proposed a novel deep CNN method based on knowledge-transferring from shallow models for rotating machinery fault diagnosis with scarce labeled samples. It is based on the idea that shallow models trained with different hand-crafted features can reveal the latent prior knowledge or diagnostic expertise and have good generalization ability even with scarce labeled samples. First, The raw vibration signal is transformed into time-frequency domain by applying the short-time Fourier transform (STFT) to extract integral features accordingly. Then, we train the SVM model with scarce labeled samples and make predictions on unlabeled samples. The predicted labels can be regarded as the data format of expert knowledge learned by the SVM model, which are combined together with the scarce fine labeled samples. Finally, they are used to train a deep CNN model of better discriminative ability. Experimental results demonstrate the effectiveness the proposed method that it achieves better performance than SVM model and original deep CNN model trained with only scarce labeled samples. Moreover, it is computational efficient and is promising for real-time rotating machinery fault diagnosis." @default.
- W2904698032 created "2018-12-22" @default.
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- W2904698032 date "2018-10-01" @default.
- W2904698032 modified "2023-09-24" @default.
- W2904698032 title "Fault Diagnosis for Rotating Machinery with Scarce Labeled Samples: A Deep CNN Method Based on Knowledge-Transferring from Shallow Models" @default.
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- W2904698032 doi "https://doi.org/10.1109/iccais.2018.8570515" @default.
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