A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy

The vibration signal of rolling beating is nonlinear and nonstationary, which makes feature extraction difficult for fault diagnosis. To improve the efficiency of feature extraction and fault diagnosis, a hybrid model based on optimized variational mode decomposition (VMD), fuzzy dispersion entropy...

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Main Authors: Xin Xia, Xiaolu Wang, Weilin Chen
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:International Journal of Rotating Machinery
Online Access:http://dx.doi.org/10.1155/ijrm/7990867
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author Xin Xia
Xiaolu Wang
Weilin Chen
author_facet Xin Xia
Xiaolu Wang
Weilin Chen
author_sort Xin Xia
collection DOAJ
description The vibration signal of rolling beating is nonlinear and nonstationary, which makes feature extraction difficult for fault diagnosis. To improve the efficiency of feature extraction and fault diagnosis, a hybrid model based on optimized variational mode decomposition (VMD), fuzzy dispersion entropy (FDE), and a support vector machine (SVM) is proposed. Firstly, a parameter optimization method using the sparrow search algorithm (SSA) was applied to VMD to improve the decomposition ability. Subsequently, a feature vector based on the FDE was proposed as a fault-diagnosis feature. Finally, SVM was applied with the proposed feature vector for the fault diagnosis of rolling bearings. The simulation and experimental study results indicate that the proposed method can obtain useful features for fault diagnosis, particularly in short-length samples and noise conditions. The proposed method performed well in the fault diagnosis for different fault types and degrees of rolling bearings.
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series International Journal of Rotating Machinery
spelling doaj-art-eaaad1884ab143769d29aff4526b1ed52025-08-20T02:01:10ZengWileyInternational Journal of Rotating Machinery1542-30342025-01-01202510.1155/ijrm/7990867A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion EntropyXin Xia0Xiaolu Wang1Weilin Chen2School of Mechanical and Electrical EngineeringSchool of Mechanical and Electrical EngineeringTechnology DepartmentThe vibration signal of rolling beating is nonlinear and nonstationary, which makes feature extraction difficult for fault diagnosis. To improve the efficiency of feature extraction and fault diagnosis, a hybrid model based on optimized variational mode decomposition (VMD), fuzzy dispersion entropy (FDE), and a support vector machine (SVM) is proposed. Firstly, a parameter optimization method using the sparrow search algorithm (SSA) was applied to VMD to improve the decomposition ability. Subsequently, a feature vector based on the FDE was proposed as a fault-diagnosis feature. Finally, SVM was applied with the proposed feature vector for the fault diagnosis of rolling bearings. The simulation and experimental study results indicate that the proposed method can obtain useful features for fault diagnosis, particularly in short-length samples and noise conditions. The proposed method performed well in the fault diagnosis for different fault types and degrees of rolling bearings.http://dx.doi.org/10.1155/ijrm/7990867
spellingShingle Xin Xia
Xiaolu Wang
Weilin Chen
A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy
International Journal of Rotating Machinery
title A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy
title_full A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy
title_fullStr A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy
title_full_unstemmed A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy
title_short A Hybrid Fault Diagnosis Model for Rolling Bearing With Optimized VMD and Fuzzy Dispersion Entropy
title_sort hybrid fault diagnosis model for rolling bearing with optimized vmd and fuzzy dispersion entropy
url http://dx.doi.org/10.1155/ijrm/7990867
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