Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier
Targeting the nonstationary and non-Gaussian characteristics of vibration signal from fault rolling bearing, this paper proposes a fault feature extraction method based on variational mode decomposition (VMD) and autoregressive (AR) model parameters. Firstly, VMD is applied to decompose vibration si...
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2016-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2016/5132046 |
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| _version_ | 1832549334911025152 |
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| author | Te Han Dongxiang Jiang |
| author_facet | Te Han Dongxiang Jiang |
| author_sort | Te Han |
| collection | DOAJ |
| description | Targeting the nonstationary and non-Gaussian characteristics of vibration signal from fault rolling bearing, this paper proposes a fault feature extraction method based on variational mode decomposition (VMD) and autoregressive (AR) model parameters. Firstly, VMD is applied to decompose vibration signals and a series of stationary component signals can be obtained. Secondly, AR model is established for each component mode. Thirdly, the parameters and remnant of AR model served as fault characteristic vectors. Finally, a novel random forest (RF) classifier is put forward for pattern recognition in the field of rolling bearing fault diagnosis. The validity and superiority of proposed method are verified by an experimental dataset. Analysis results show that this method based on VMD-AR model can extract fault features accurately and RF classifier has been proved to outperform comparative classifiers. |
| format | Article |
| id | doaj-art-d2a52bd2e7f14a9cb80b225d7e33519d |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-d2a52bd2e7f14a9cb80b225d7e33519d2025-02-03T06:11:38ZengWileyShock and Vibration1070-96221875-92032016-01-01201610.1155/2016/51320465132046Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest ClassifierTe Han0Dongxiang Jiang1State Key Lab of Control and Simulation of Power Systems and Generation Equipment, Department of Thermal Engineering, Tsinghua University, Beijing 100084, ChinaState Key Lab of Control and Simulation of Power Systems and Generation Equipment, Department of Thermal Engineering, Tsinghua University, Beijing 100084, ChinaTargeting the nonstationary and non-Gaussian characteristics of vibration signal from fault rolling bearing, this paper proposes a fault feature extraction method based on variational mode decomposition (VMD) and autoregressive (AR) model parameters. Firstly, VMD is applied to decompose vibration signals and a series of stationary component signals can be obtained. Secondly, AR model is established for each component mode. Thirdly, the parameters and remnant of AR model served as fault characteristic vectors. Finally, a novel random forest (RF) classifier is put forward for pattern recognition in the field of rolling bearing fault diagnosis. The validity and superiority of proposed method are verified by an experimental dataset. Analysis results show that this method based on VMD-AR model can extract fault features accurately and RF classifier has been proved to outperform comparative classifiers.http://dx.doi.org/10.1155/2016/5132046 |
| spellingShingle | Te Han Dongxiang Jiang Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier Shock and Vibration |
| title | Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier |
| title_full | Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier |
| title_fullStr | Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier |
| title_full_unstemmed | Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier |
| title_short | Rolling Bearing Fault Diagnostic Method Based on VMD-AR Model and Random Forest Classifier |
| title_sort | rolling bearing fault diagnostic method based on vmd ar model and random forest classifier |
| url | http://dx.doi.org/10.1155/2016/5132046 |
| work_keys_str_mv | AT tehan rollingbearingfaultdiagnosticmethodbasedonvmdarmodelandrandomforestclassifier AT dongxiangjiang rollingbearingfaultdiagnosticmethodbasedonvmdarmodelandrandomforestclassifier |