Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering

The turn domain resampling (TDR) method is proposed in the paper on the basis of the existing angle domain resampling for solving the problem of non-fixed fault frequency under variable working conditions. TDR can select the appropriate sampling order according to the influence of frequency conversi...

Full description

Bibliographic Details
Main Authors: Tongtong Liu, Lingli Cui, Chao Zhang
Format: Article
Language:English
Published: MDPI AG 2021-12-01
Series:Symmetry
Subjects:
TDR
Online Access:https://www.mdpi.com/2073-8994/13/1/52
id doaj-366de2b87e0644ae9b4ce89151425173
record_format Article
spelling doaj-366de2b87e0644ae9b4ce891514251732021-01-01T00:00:10ZengMDPI AGSymmetry2073-89942021-12-0113525210.3390/sym13010052Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological FilteringTongtong Liu0Lingli Cui1Chao Zhang2Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Chao Yang District, Beijing 100124, ChinaKey Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Chao Yang District, Beijing 100124, ChinaInner Mogolia Key Laboratory of Intelligent Diagnosis and Control of Mechatronic Systems, Inner Mogolia University of Science and Technology, Baotou 014010, ChinaThe turn domain resampling (TDR) method is proposed in the paper on the basis of the existing angle domain resampling for solving the problem of non-fixed fault frequency under variable working conditions. TDR can select the appropriate sampling order according to the influence of frequency conversion, which avoided the error caused by the spline interpolation method. It can provide accurate parameters for the subsequent calculation of the equivalent frequency order. Variable multi-scale morphological filtering (VMSMF) method is proposed for the purpose of further reducing the interference of noise in resampling signal to feature extraction. VMSMF adaptively selects structural elements according to the parameter change of impact signal to make its scale more targeted. It only needs to calculate once using the optimal structural unit for a particular impact, and the filtering accuracy and operating efficiency have been greatly improved. The main steps of this article are as follows. First, the TDR is used to resample the original signal as to get the resampling signal which is still submerged by the strong noise. In the second step, VMSMF is used to filter the resampling signal to obtain the signal with less noise interference. Finally, the fault characteristics of the filtering signal was extracted and compared with the possible fault frequency calculated by the sampling parameters provided by resampling, so as to determine the fault type of the planetary gearbox. By analyzing the simulation signal and the experimental signal respectively, this method can find out the corresponding fault characteristics effectively.https://www.mdpi.com/2073-8994/13/1/52fault diagnosisplanetary gearboxTDRVMSMFvariable speed
collection DOAJ
language English
format Article
sources DOAJ
author Tongtong Liu
Lingli Cui
Chao Zhang
spellingShingle Tongtong Liu
Lingli Cui
Chao Zhang
Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering
Symmetry
fault diagnosis
planetary gearbox
TDR
VMSMF
variable speed
author_facet Tongtong Liu
Lingli Cui
Chao Zhang
author_sort Tongtong Liu
title Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering
title_short Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering
title_full Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering
title_fullStr Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering
title_full_unstemmed Study on Fault Diagnosis Method of Planetary Gearbox Based on Turn Domain Resampling and Variable Multi-Scale Morphological Filtering
title_sort study on fault diagnosis method of planetary gearbox based on turn domain resampling and variable multi-scale morphological filtering
publisher MDPI AG
series Symmetry
issn 2073-8994
publishDate 2021-12-01
description The turn domain resampling (TDR) method is proposed in the paper on the basis of the existing angle domain resampling for solving the problem of non-fixed fault frequency under variable working conditions. TDR can select the appropriate sampling order according to the influence of frequency conversion, which avoided the error caused by the spline interpolation method. It can provide accurate parameters for the subsequent calculation of the equivalent frequency order. Variable multi-scale morphological filtering (VMSMF) method is proposed for the purpose of further reducing the interference of noise in resampling signal to feature extraction. VMSMF adaptively selects structural elements according to the parameter change of impact signal to make its scale more targeted. It only needs to calculate once using the optimal structural unit for a particular impact, and the filtering accuracy and operating efficiency have been greatly improved. The main steps of this article are as follows. First, the TDR is used to resample the original signal as to get the resampling signal which is still submerged by the strong noise. In the second step, VMSMF is used to filter the resampling signal to obtain the signal with less noise interference. Finally, the fault characteristics of the filtering signal was extracted and compared with the possible fault frequency calculated by the sampling parameters provided by resampling, so as to determine the fault type of the planetary gearbox. By analyzing the simulation signal and the experimental signal respectively, this method can find out the corresponding fault characteristics effectively.
topic fault diagnosis
planetary gearbox
TDR
VMSMF
variable speed
url https://www.mdpi.com/2073-8994/13/1/52
work_keys_str_mv AT tongtongliu studyonfaultdiagnosismethodofplanetarygearboxbasedonturndomainresamplingandvariablemultiscalemorphologicalfiltering
AT linglicui studyonfaultdiagnosismethodofplanetarygearboxbasedonturndomainresamplingandvariablemultiscalemorphologicalfiltering
AT chaozhang studyonfaultdiagnosismethodofplanetarygearboxbasedonturndomainresamplingandvariablemultiscalemorphologicalfiltering
_version_ 1724364642330869760