Dr Md Junayed Hasan j.hasan@rgu.ac.uk
Research Fellow A
Bearing fault diagnosis using multidomain fusion-based vibration imaging and multitask learning.
Hasan, Md. Junayed; Islam, M. M. Manjurul; Kim, Jong-Myon
Authors
M. M. Manjurul Islam
Jong-Myon Kim
Abstract
Statistical features extraction from bearing fault signals requires a substantial level of knowledge and domain expertise. Furthermore, existing feature extraction techniques are mostly confined to selective feature extraction methods namely, time-domain, frequency-domain, or time-frequency domain statistical parameters. Vibration signals of bearing fault are highly non-linear and non-stationary making it cumbersome to extract relevant information for existing methodologies. This process even became more complicated when the bearing operates at variable speeds and load conditions. To address these challenges, this study develops an autonomous diagnostic system that combines signal-to-image transformation techniques for multi-domain information with convolutional neural network (CNN)-aided multitask learning (MTL). To address variable operating conditions, a composite color image is created by fusing information from multi-domains, such as the raw time-domain signal, the spectrum of the time-domain signal, and the envelope spectrum of the time-frequency analysis. This 2-D composite image, named multi-domain fusion-based vibration imaging (MDFVI), is highly effective in generating a unique pattern even with variable speeds and loads. Following that, these MDFVI images are fed to the proposed MTL-based CNN architecture to identify faults in variable speed and health conditions concurrently. The proposed method is tested on two benchmark datasets from the bearing experiment. The experimental results suggested that the proposed method outperformed state-of-the-arts in both datasets.
Citation
HASAN, M.J., ISLAM, M.M.M. and KIM, J.-M. 2022. Bearing fault diagnosis using multidomain fusion-based vibration imaging and multitask learning. Sensors [online], 22(1): sensing technologies for fault diagnostics and prognosis, article 56. Available from: https://doi.org/10.3390/s22010056
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 20, 2021 |
Online Publication Date | Dec 22, 2021 |
Publication Date | Jan 1, 2022 |
Deposit Date | May 26, 2022 |
Publicly Available Date | May 26, 2022 |
Journal | Sensors |
Print ISSN | 1424-8220 |
Publisher | MDPI |
Peer Reviewed | Peer Reviewed |
Volume | 22 |
Issue | 1 |
Article Number | 56 |
DOI | https://doi.org/10.3390/s22010056 |
Keywords | Electrical and Electronic Engineering; Biochemistry; Instrumentation; Atomic and Molecular Physics, and Optics; Analytical Chemistry |
Public URL | https://rgu-repository.worktribe.com/output/1664752 |
Files
HASAN 2022 Bearing fault diagnosis (VOR)
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
Copyright Statement
© 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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