2019
DOI: 10.3390/e21070687
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A Novel Method for Intelligent Single Fault Detection of Bearings Using SAE and Improved D–S Evidence Theory

Abstract: In order to realize single fault detection (SFD) from the multi-fault coupling bearing data and further research on the multi-fault situation of bearings, this paper proposes a method based on features self-extraction of a Sparse Auto-Encoder (SAE) and results fusion of improved Dempster-Shafer evidence theory (D-S). Multi-fault signal compression features of bearings were extracted by SAE on multiple vibration sensors' data. Data sets were constructed by the extracted compression features to train the Support… Show more

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Cited by 10 publications
(5 citation statements)
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“…In order to realize the reconstruction of conductivity distribution by the magnetic field measurement data, this paper proposes a SAE neural network algorithm connected with softmax classifier to solve the inverse problem of MDEIT. The stacked auto-encoder neural network, referred to as SAE in this paper, is a feedback neural network model consisting of a series of multi-layer auto-encoders (AE) [32]. AE is an unsupervised feature learning method, and the softmax classifier is a supervised learning algorithm, the SAE model combines the advantages of unsupervised and supervised together [33], [34].…”
Section: Sae Algorithm For Inverse Problemmentioning
confidence: 99%
“…In order to realize the reconstruction of conductivity distribution by the magnetic field measurement data, this paper proposes a SAE neural network algorithm connected with softmax classifier to solve the inverse problem of MDEIT. The stacked auto-encoder neural network, referred to as SAE in this paper, is a feedback neural network model consisting of a series of multi-layer auto-encoders (AE) [32]. AE is an unsupervised feature learning method, and the softmax classifier is a supervised learning algorithm, the SAE model combines the advantages of unsupervised and supervised together [33], [34].…”
Section: Sae Algorithm For Inverse Problemmentioning
confidence: 99%
“…By leveraging advanced algorithms, these systems can detect anomalies and patterns that could go unnoticed in manual analysis. Various algorithms used by the researchers for data-driven predictive maintenance are Machine Learning (ML) algorithms such as Support Vector Machine (SVM) [12][13][14] [15], Random Forest (RF) [16] [45], etc. Some researchers have also used the hybrid of ML and DL algorithms for better results [15].…”
Section: Introductionmentioning
confidence: 99%
“…With the rapid development of ML, DL is increasingly applied to overcome the insufficient feature-extraction capability of signal-processing methods [ 17 ]. Many DL methods [ 18 , 19 ], such as deep belief network (DBN), sparse autoencoder (SAE), stacked denoising autoencoder (SDAE), sparse filtering, and CNN have been presented and applied in fault classification. Xing et al [ 20 ] designed a distribution-invariant DBN for fault recognition, which can directly extract features of a raw vibration signal.…”
Section: Introductionmentioning
confidence: 99%