2022
DOI: 10.1007/s11071-022-08109-8
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Early intelligent fault diagnosis of rotating machinery based on IWOA-VMD and DMKELM

Abstract: The effect of early fault vibration signals from rotating machinery is weak and easily drowned out by intensive noise. Thus, it is still a great challenge to perform early fault diagnosis. An intelligent early fault diagnosis method for rotating machines is proposed based on Variational Mode Decomposition (VMD) parameter optimization and Deep Multi-Kernel Extreme Learning Machine (DMKELM). First, the iterative chaotic mapping, nonlinear convergence factor and inertia weight are introduced into the whale optimi… Show more

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Cited by 25 publications
(8 citation statements)
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References 42 publications
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“…Therefore, VMD is very suitable for decomposing time-series signals. However, VMD must artificially set the number of modal components k and the penalty factor α [52]. Setting a k value that is too small will make the time series under-decomposed, and a k value that is too large will produce irrelevant modal components.…”
Section: Vmdmentioning
confidence: 99%
“…Therefore, VMD is very suitable for decomposing time-series signals. However, VMD must artificially set the number of modal components k and the penalty factor α [52]. Setting a k value that is too small will make the time series under-decomposed, and a k value that is too large will produce irrelevant modal components.…”
Section: Vmdmentioning
confidence: 99%
“…Tan et al used cuckoo search to optimise VMD parameters and presented a novel incipient bearing fault diagnosis framework based on optimised VMD [22]. Jin et al proposed an intelligent early fault diagnosis method for rotating machinery based on the parameter optimisation of the VMD and deep multikernel extreme learning machine [23]. Li et al established a rotating equipment health condition evaluation model based on VMD, and the accuracy of the evaluation results was improved by optimising the VMD parameters [24].…”
Section: Introductionmentioning
confidence: 99%
“…The core aspect of IMDS is fault diagnosis [15]. The current prevalent algorithms for fault diagnosis include deep belief networks (DBN), convolutional neural networks (CNN), and other deep learning algorithms.…”
Section: Introductionmentioning
confidence: 99%