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作者:

Zhu, Guopeng (Zhu, Guopeng.) | Zhu, Zening (Zhu, Zening.) | Xiang, Ling (Xiang, Ling.) | Hu, Aijun (Hu, Aijun.) | Xu, Yonggang (Xu, Yonggang.)

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EI Scopus SCIE

摘要:

The accurate prediction for the remaining useful life (RUL) of bearing is essential for ensuring the reliable operation and establishing an effective maintenance strategy. During the whole life of bearing, the vibration signal contains more and more nonlinear information of performance degradations. A novel model named dynamically activated convolutional network (DACN) is proposed to extract the nonlinear information of vibration signal. DACN can execute the feature extraction on the input and adaptively activate the features. Based on DACN, DACN-ConvLSTM is proposed for the RUL prediction of rolling bearing. In model, ConvLSTM can mine the timing information between adjacent signal samples. which improves the prediction accuracy of bearings. Finally, the model is verified by two cases. The features are visualized by using t-SNE method which provides effective prediction pictures. The experiment results present the proposed DACN-ConvLSTM method possesses the higher RUL prediction accuracy compared with other methods, and can maintain the prediction performance on different datasets.

关键词:

Remaining useful life prediction Rolling bearing Dynamically activated convolutional network Convolutional LSTM

作者机构:

  • [ 1 ] [Zhu, Guopeng]North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R China
  • [ 2 ] [Zhu, Zening]North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R China
  • [ 3 ] [Xiang, Ling]North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R China
  • [ 4 ] [Hu, Aijun]North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R China
  • [ 5 ] [Xu, Yonggang]Beijing Univ Technol, Beijing 100124, Peoples R China

通讯作者信息:

  • [Xiang, Ling]North China Elect Power Univ, Hebei Key Lab Elect Machinery Hlth Maintenance & F, Baoding 071003, Peoples R China;;

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来源 :

MEASUREMENT

ISSN: 0263-2241

年份: 2023

卷: 211

5 . 6 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:19

被引次数:

WoS核心集被引频次: 37

SCOPUS被引频次: 44

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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