Intelligent Mechanical Fault Diagnosis Using Multisensor Fusion and Convolution Neural Network
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- 4 August 2021
- journal article
- research article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Industrial Informatics
- Vol. 18 (5) , 3213-3223
Abstract
Diagnosis of mechanical faults in manufacturing systems is critical for ensuring safety and saving costs. With the development of data transmission and sensor technologies, measuring systems can acquire massive amounts of multisensor data. Although deep learning (DL) provides an end-to-end way to address the drawbacks of traditional methods, it is necessary to do deep research on an intelligent fault diagnosis method based on multisensor data. In this article, a novel intelligent diagnosis method based on multisensor fusion (MSF) and convolutional neural network (CNN) is explored. First, a multisignals-to-RGB-image conversion method based on principal component analysis is applied to fuse multisignal data into three-channel red−green−blue (RGB) images. Then, an improved CNN with residual networks is proposed, which can balance the relationship between computational cost and accuracy. Two datasets are used to verify the effectiveness of the proposed method. The results show that the proposed method outperforms other DL-based methods in terms of accuracy.Keywords
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