Bearing remaining useful life prediction based on deep autoencoder and deep neural networks

By Lei Ren, Yaqiang Sun, Jin Cui, Lin Zhang. Journal of manufacturing systems, 2018

340 citations recorded by the source corpus.

Abstract Bearings play a crucial part in reliable operation of rotating machinery in manufacturing systems. There is a growing demand for smart prognostics of bearing remaining useful life (RUL). The data driven approach for bearing RUL prediction has shown promising potential to support smart prognostics. The recent advances in deep learning and industrial big data provide new solutions for data driven bearing RUL prediction yet still face significant challenges, e.g. optimal feature selection and efficient feature compression. This paper proposes a new deep learning based prediction framework for bearing RUL by using deep autoencoder and deep neural networks (DNN). A novel eigenvector based on time–frequency-wavelet joint features is proposed to effectively represent bearing degradation process. A deep autoencoder based joint features compression and computing method is presented to retain effective information without increasing the scale of DNN. The experiment results showed that the proposed method can achieve better efficiency in bearing RUL prediction.

Subfields: Control and Systems Engineering, Mechanical Engineering, Mechanics of Materials

View Paper: https://www.semanticscholar.org/paper/e1580397256e2d8bfaa5ca310a9b8c731320a4dd

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