IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS
The Local characteristic-scale decomposition（ LCD） method is improved in this paper. The reason of appearance of the stagnation point on low frequency intrinsic scale component（ ISC） is analyzed and a new method which called eliminate stagnation point-based Local characteristic-scale decomposition m...
| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of Mechanical Strength
2016-01-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2016.02.007 |
| _version_ | 1826870950865403904 |
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| author | LIU Jibiao CHENG Junsheng YANG WeiKang |
| author_facet | LIU Jibiao CHENG Junsheng YANG WeiKang |
| author_sort | LIU Jibiao |
| collection | DOAJ |
| description | The Local characteristic-scale decomposition（ LCD） method is improved in this paper. The reason of appearance of the stagnation point on low frequency intrinsic scale component（ ISC） is analyzed and a new method which called eliminate stagnation point-based Local characteristic-scale decomposition method is presented. The results from the simulation signal have shown the obvious advantages of the improved LCD method. Based on the improvement of the LCD,the combination of the LCD and envelope analysis is applied to the roller bearing fault diagnosis. The roller bearing vibration signals is composed by the improved LCD into some intrinsic scale component（ ISC）. The envelope analysis method based on Hilbert is used to analyze the ISCs and the work state of rolling bearing can be identified. The experimental results showed that the improved LCD method and Envelopment analysis method have a good result to apply to the rolling bearing fault diagnosis. |
| first_indexed | 2024-03-12T20:46:56Z |
| format | Article |
| id | doaj.art-3534041eb5e747468e17eed7eef36f7b |
| institution | Directory Open Access Journal |
| issn | 1001-9669 |
| language | zho |
| last_indexed | 2025-02-16T23:32:47Z |
| publishDate | 2016-01-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj.art-3534041eb5e747468e17eed7eef36f7b2025-01-15T02:36:45ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692016-01-013824224630594232IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSISLIU JibiaoCHENG JunshengYANG WeiKangThe Local characteristic-scale decomposition（ LCD） method is improved in this paper. The reason of appearance of the stagnation point on low frequency intrinsic scale component（ ISC） is analyzed and a new method which called eliminate stagnation point-based Local characteristic-scale decomposition method is presented. The results from the simulation signal have shown the obvious advantages of the improved LCD method. Based on the improvement of the LCD,the combination of the LCD and envelope analysis is applied to the roller bearing fault diagnosis. The roller bearing vibration signals is composed by the improved LCD into some intrinsic scale component（ ISC）. The envelope analysis method based on Hilbert is used to analyze the ISCs and the work state of rolling bearing can be identified. The experimental results showed that the improved LCD method and Envelopment analysis method have a good result to apply to the rolling bearing fault diagnosis.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2016.02.007Local characteristic-scaleDecompositionEnvelopment analysisStagnation pointRoller bearingFault diagnosis |
| spellingShingle | LIU Jibiao CHENG Junsheng YANG WeiKang IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS Jixie qiangdu Local characteristic-scale Decomposition Envelopment analysis Stagnation point Roller bearing Fault diagnosis |
| title | IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS |
| title_full | IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS |
| title_fullStr | IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS |
| title_full_unstemmed | IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS |
| title_short | IMPROVEMENT OF LCD METHOD AND ITS APPLICATION TO ROLLING BEARING FAULT DIAGNOSIS |
| title_sort | improvement of lcd method and its application to rolling bearing fault diagnosis |
| topic | Local characteristic-scale Decomposition Envelopment analysis Stagnation point Roller bearing Fault diagnosis |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2016.02.007 |
| work_keys_str_mv | AT liujibiao improvementoflcdmethodanditsapplicationtorollingbearingfaultdiagnosis AT chengjunsheng improvementoflcdmethodanditsapplicationtorollingbearingfaultdiagnosis AT yangweikang improvementoflcdmethodanditsapplicationtorollingbearingfaultdiagnosis |