Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application
Pulses caused by rotating mechanical faults are weak and often submerged in strong background noise, which can affect the accuracy of fault detection. To solve this problem, we study the stochastic resonance phenomenon of a tristable potential system based on strong noise background and also investi...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2019-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2019/2097164 |
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| _version_ | 1850161661322723328 |
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| author | Zhixing Li Songjiu Han Jianguo Wang Xueping Ren Chao Zhang |
| author_facet | Zhixing Li Songjiu Han Jianguo Wang Xueping Ren Chao Zhang |
| author_sort | Zhixing Li |
| collection | DOAJ |
| description | Pulses caused by rotating mechanical faults are weak and often submerged in strong background noise, which can affect the accuracy of fault detection. To solve this problem, we study the stochastic resonance phenomenon of a tristable potential system based on strong noise background and also investigate the influence of time-delayed feedback on this stochastic resonance model. The effects of time-delayed feedback strength on potential energy, steady-state probability density function, and signal-to-noise ratio (SNR) are discussed. The results show that stochastic resonance can be enhanced or suppressed by adjusting the delay time and feedback strength. Combined with bearing fault diagnosis simulation research and experimental verification evaluation, the proposed time-delayed feedback tristable stochastic resonance fault diagnosis method is more effective than the classical stochastic resonance method. |
| format | Article |
| id | doaj-art-ff0f2be769374e7d85f797f21c0e8f5b |
| institution | OA Journals |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2019-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-ff0f2be769374e7d85f797f21c0e8f5b2025-08-20T02:22:45ZengWileyShock and Vibration1070-96221875-92032019-01-01201910.1155/2019/20971642097164Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its ApplicationZhixing Li0Songjiu Han1Jianguo Wang2Xueping Ren3Chao Zhang4School of Mechanical Engineering, University of Science & Technology Inner Mongolia, Baotou, ChinaSchool of Mechanical Engineering, University of Science & Technology Inner Mongolia, Baotou, ChinaSchool of Mechanical Engineering, University of Science & Technology Inner Mongolia, Baotou, ChinaSchool of Mechanical Engineering, University of Science & Technology Inner Mongolia, Baotou, ChinaSchool of Mechanical Engineering, University of Science & Technology Inner Mongolia, Baotou, ChinaPulses caused by rotating mechanical faults are weak and often submerged in strong background noise, which can affect the accuracy of fault detection. To solve this problem, we study the stochastic resonance phenomenon of a tristable potential system based on strong noise background and also investigate the influence of time-delayed feedback on this stochastic resonance model. The effects of time-delayed feedback strength on potential energy, steady-state probability density function, and signal-to-noise ratio (SNR) are discussed. The results show that stochastic resonance can be enhanced or suppressed by adjusting the delay time and feedback strength. Combined with bearing fault diagnosis simulation research and experimental verification evaluation, the proposed time-delayed feedback tristable stochastic resonance fault diagnosis method is more effective than the classical stochastic resonance method.http://dx.doi.org/10.1155/2019/2097164 |
| spellingShingle | Zhixing Li Songjiu Han Jianguo Wang Xueping Ren Chao Zhang Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application Shock and Vibration |
| title | Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application |
| title_full | Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application |
| title_fullStr | Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application |
| title_full_unstemmed | Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application |
| title_short | Time-Delayed Feedback Tristable Stochastic Resonance Weak Fault Diagnosis Method and Its Application |
| title_sort | time delayed feedback tristable stochastic resonance weak fault diagnosis method and its application |
| url | http://dx.doi.org/10.1155/2019/2097164 |
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