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- W4386869690 abstract "The success of fault diagnosis based on deep learning benefits from a large amount of labeled fault samples. However, the scarcity of labeled fault samples in fault diagnosis of wind turbine gearbox (WTG) makes it difficult to train a satisfactory diagnostic model. To address this issue, this article proposed a semisupervised weighted centroid prototype network (SSWCPN) for WTG fault diagnosis. Specifically, SSWCPN is a few-shot semisupervised learning framework, which alleviates the matter of overfitting caused by the lack of supervision information. First, to capture abundant semisupervised information to guide network training, a sample selection model based on the evolution trend of posterior probability is proposed, which could efficiently cherry-pick out the unlabeled samples of high confidence to refine prototypes. Second, a new prototype updating strategy based on a weighted centroid prototype is designed, which controls the prototype drifting issue caused by incorrect pseudolabels and the introduction of new data distribution. Finally, experiments performed on test-bench data and successful application on WTG data show that the proposed SSWCPN-based WTG fault diagnosis achieves the best fault diagnosis performance among the comparison methods." @default.
- W4386869690 created "2023-09-20" @default.
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- W4386869690 date "2023-01-01" @default.
- W4386869690 modified "2023-10-11" @default.
- W4386869690 title "The Semisupervised Weighted Centroid Prototype Network for Fault Diagnosis of Wind Turbine Gearbox" @default.
- W4386869690 doi "https://doi.org/10.1109/tmech.2023.3312042" @default.
- W4386869690 hasPublicationYear "2023" @default.
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