Feature Extraction Method for Weak Faults Based on Time-Delayed Feedback Mixed Potential Stochastic Resonance
Joint Authors
Li, Zhixing
Tang, Jiachen
Shi, Boqiang
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-05-28
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
To extract weak faults under strong noise, a method for feature extraction of weak faults with time-delayed feedback mixed potential stochastic resonance (TFMSR) is proposed.
This method not only overcomes the saturation characteristics of classical bistable stochastic resonance (CBSR), but also verifies a new potential function model.
Based on this model, considering the short memory characteristics of the CBSR method, a method is proposed that can add historical information to the negative feedback process of the stochastic resonance (SR).
Through the combination of the above two methods, the weak fault extraction under strong background noise is realized.
The article analyzes the effects of the delay term, feedback term, and system parameter on the effect of SR and uses the ant colony algorithm (ACA) to optimize the above parameters.
Finally, through simulated and engineering experimental results, it is proved that the proposed method has more advantages than the CBSR method in weak fault feature extraction.
American Psychological Association (APA)
Tang, Jiachen& Shi, Boqiang& Li, Zhixing. 2020. Feature Extraction Method for Weak Faults Based on Time-Delayed Feedback Mixed Potential Stochastic Resonance. Shock and Vibration،Vol. 2020, no. 2020, pp.1-12.
https://search.emarefa.net/detail/BIM-1209952
Modern Language Association (MLA)
Tang, Jiachen…[et al.]. Feature Extraction Method for Weak Faults Based on Time-Delayed Feedback Mixed Potential Stochastic Resonance. Shock and Vibration No. 2020 (2020), pp.1-12.
https://search.emarefa.net/detail/BIM-1209952
American Medical Association (AMA)
Tang, Jiachen& Shi, Boqiang& Li, Zhixing. Feature Extraction Method for Weak Faults Based on Time-Delayed Feedback Mixed Potential Stochastic Resonance. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-12.
https://search.emarefa.net/detail/BIM-1209952
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1209952