Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method
For the fault diagnosis of intershaft bearings, the fusion information exergy distance method (FIEDM) is proposed by fusing four information exergies, such as singular spectrum exergy, power spectrum exergy, wavelet energy spectrum exergy, and wavelet space spectrum exergy, which are extracted from...
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Hindawi Limited
2018-01-01
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Series: | Shock and Vibration |
Online Access: | http://dx.doi.org/10.1155/2018/7546128 |
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doaj-d5dacd16f86746b995dc017fdb5d8cd52020-11-24T22:36:36ZengHindawi LimitedShock and Vibration1070-96221875-92032018-01-01201810.1155/2018/75461287546128Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance MethodJing Tian0Yanting Ai1Chengwei Fei2Ming Zhao3Fengling Zhang4Zhi Wang5School of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, ChinaLiaoning Key Laboratory of Advanced Test Technology for Aeronautical Propulsion System, Shenyang Aerospace University, Shenyang 110136, ChinaSchool of Transportation Science and Engineering, Beihang University, Beijing 100191, ChinaSchool of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, ChinaLiaoning Key Laboratory of Advanced Test Technology for Aeronautical Propulsion System, Shenyang Aerospace University, Shenyang 110136, ChinaLiaoning Key Laboratory of Advanced Test Technology for Aeronautical Propulsion System, Shenyang Aerospace University, Shenyang 110136, ChinaFor the fault diagnosis of intershaft bearings, the fusion information exergy distance method (FIEDM) is proposed by fusing four information exergies, such as singular spectrum exergy, power spectrum exergy, wavelet energy spectrum exergy, and wavelet space spectrum exergy, which are extracted from acoustic emission (AE) signals under multiple rotational speeds and multimeasuring points. The theory of FIEDM is investigated based on four information exergy distances under multirotational speeds. As for rolling bearings, four faults and one normal condition are simulated on a birotor test rig to collect the AE signals, in which the four faults are inner ring fault, outer ring fault, rolling element fault, and inner race-rolling element coupling fault. The faults of the intershaft bearings are analyzed and diagnosed by using the FIEDM. From the investigation, it is demonstrated that the faults of the intershaft bearings are accurately diagnosed and identified, and the FIEDM is effective for the analysis and diagnosis of intershaft bearing faults. Furthermore, the fault diagnosis precision of intershaft bearings becomes higher with increasing rotational speed.http://dx.doi.org/10.1155/2018/7546128 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jing Tian Yanting Ai Chengwei Fei Ming Zhao Fengling Zhang Zhi Wang |
spellingShingle |
Jing Tian Yanting Ai Chengwei Fei Ming Zhao Fengling Zhang Zhi Wang Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method Shock and Vibration |
author_facet |
Jing Tian Yanting Ai Chengwei Fei Ming Zhao Fengling Zhang Zhi Wang |
author_sort |
Jing Tian |
title |
Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method |
title_short |
Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method |
title_full |
Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method |
title_fullStr |
Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method |
title_full_unstemmed |
Fault Diagnosis of Intershaft Bearings Using Fusion Information Exergy Distance Method |
title_sort |
fault diagnosis of intershaft bearings using fusion information exergy distance method |
publisher |
Hindawi Limited |
series |
Shock and Vibration |
issn |
1070-9622 1875-9203 |
publishDate |
2018-01-01 |
description |
For the fault diagnosis of intershaft bearings, the fusion information exergy distance method (FIEDM) is proposed by fusing four information exergies, such as singular spectrum exergy, power spectrum exergy, wavelet energy spectrum exergy, and wavelet space spectrum exergy, which are extracted from acoustic emission (AE) signals under multiple rotational speeds and multimeasuring points. The theory of FIEDM is investigated based on four information exergy distances under multirotational speeds. As for rolling bearings, four faults and one normal condition are simulated on a birotor test rig to collect the AE signals, in which the four faults are inner ring fault, outer ring fault, rolling element fault, and inner race-rolling element coupling fault. The faults of the intershaft bearings are analyzed and diagnosed by using the FIEDM. From the investigation, it is demonstrated that the faults of the intershaft bearings are accurately diagnosed and identified, and the FIEDM is effective for the analysis and diagnosis of intershaft bearing faults. Furthermore, the fault diagnosis precision of intershaft bearings becomes higher with increasing rotational speed. |
url |
http://dx.doi.org/10.1155/2018/7546128 |
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