Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory
In view of the deficiencies of peak factor,pulse factor and kurtosis factor in the monitoring of rolling bearing running condition,a new method to evaluate the variation of vibration performance of rolling bearing is proposed based on the fuzzy-set theory. Firstly,the original data sequence of the r...
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| Format: | Article |
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Editorial Office of Journal of Mechanical Transmission
2018-01-01
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| Series: | Jixie chuandong |
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| Online Access: | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2018.08.020 |
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| author | Xia Xintao Chen Xiangfeng Cheng Li |
| author_facet | Xia Xintao Chen Xiangfeng Cheng Li |
| author_sort | Xia Xintao |
| collection | DOAJ |
| description | In view of the deficiencies of peak factor,pulse factor and kurtosis factor in the monitoring of rolling bearing running condition,a new method to evaluate the variation of vibration performance of rolling bearing is proposed based on the fuzzy-set theory. Firstly,the original data sequence of the rolling bearing vibration is divided into the sample sequences,and then the intrinsic sequence is selected to calculate the standard deviation of each sample sequence and the absolute correlation degree,the gray confidence level and the closeness degree relative to the intrinsic sequence as new sample values. Then a fuzzy similarity matrix made up of these values processed in order of magnitude and by the linear mapping formula is further transformed into a fuzzy equivalence matrix via transitive closure method and the evaluation of the variation of vibration performance of rolling bearing is made by comparing equivalence coefficients in the fuzzy equivalence matrix with the set threshold（ λ = 0. 5）. Finally,the feasibility and correctness of the proposed method are verified by simulation data and experimental data. |
| format | Article |
| id | doaj-art-adcc9a661c104a25aae1ab87239fa7e5 |
| institution | Kabale University |
| issn | 1004-2539 |
| language | zho |
| publishDate | 2018-01-01 |
| publisher | Editorial Office of Journal of Mechanical Transmission |
| record_format | Article |
| series | Jixie chuandong |
| spelling | doaj-art-adcc9a661c104a25aae1ab87239fa7e52025-01-10T14:41:14ZzhoEditorial Office of Journal of Mechanical TransmissionJixie chuandong1004-25392018-01-014210411129938265Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set TheoryXia XintaoChen XiangfengCheng LiIn view of the deficiencies of peak factor,pulse factor and kurtosis factor in the monitoring of rolling bearing running condition,a new method to evaluate the variation of vibration performance of rolling bearing is proposed based on the fuzzy-set theory. Firstly,the original data sequence of the rolling bearing vibration is divided into the sample sequences,and then the intrinsic sequence is selected to calculate the standard deviation of each sample sequence and the absolute correlation degree,the gray confidence level and the closeness degree relative to the intrinsic sequence as new sample values. Then a fuzzy similarity matrix made up of these values processed in order of magnitude and by the linear mapping formula is further transformed into a fuzzy equivalence matrix via transitive closure method and the evaluation of the variation of vibration performance of rolling bearing is made by comparing equivalence coefficients in the fuzzy equivalence matrix with the set threshold（ λ = 0. 5）. Finally,the feasibility and correctness of the proposed method are verified by simulation data and experimental data.http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2018.08.020Fuzzy-set theoryMatrixPerformance variationEvaluation |
| spellingShingle | Xia Xintao Chen Xiangfeng Cheng Li Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory Jixie chuandong Fuzzy-set theory Matrix Performance variation Evaluation |
| title | Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory |
| title_full | Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory |
| title_fullStr | Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory |
| title_full_unstemmed | Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory |
| title_short | Evaluation of Vibration Performance Variation of Rolling Bearing based on Fuzzy-set Theory |
| title_sort | evaluation of vibration performance variation of rolling bearing based on fuzzy set theory |
| topic | Fuzzy-set theory Matrix Performance variation Evaluation |
| url | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2018.08.020 |
| work_keys_str_mv | AT xiaxintao evaluationofvibrationperformancevariationofrollingbearingbasedonfuzzysettheory AT chenxiangfeng evaluationofvibrationperformancevariationofrollingbearingbasedonfuzzysettheory AT chengli evaluationofvibrationperformancevariationofrollingbearingbasedonfuzzysettheory |