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Torsional vibration analysis of RV reducer based on variational mode decomposition
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Jieting ZHANG1, Dong YU2, Junqiang LOU1, Limin LUO2, Linhuan GONG2, Guoping LI1
Journal of Mechanical Strength | 2025, 47(3) : 75 - 81
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Journal of Mechanical Strength | 2025, 47(3): 75-81
• ·Vibration·Noise·Monitoring·Diagnosis· •
Torsional vibration analysis of RV reducer based on variational mode decomposition
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Jieting ZHANG1, Dong YU2, Junqiang LOU1, Limin LUO2, Linhuan GONG2, Guoping LI1
Affiliations
  • 1.Part Rolling Key Laboratory of Zhejiang Province, Ningbo University, Ningbo 315211, China
  • 2.Ningbo Zhongda Leader Intelligent Transmission Co., Ltd., Ningbo 315301, China
Published: 2025-03-15 doi: 10.16579/j.issn.1001.9669.2025.03.009
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To investigate the vibration performance of RV reducers and analyze the fault identification, the torsional vibration test bench for RV reducers was built.Based on the mechanical structure and transmission principles of RV reducers,the vibration frequencies under different operating conditions were calculated.The vibration signal of RV reducers of superior and inferior products was collected, and the acceleration signal of the torsional vibration under different speeds and swerves was collected.The torsional vibration signals were decomposed using the variational mode decomposition (VMD) to obtain the intrinsic mode function (IMF).The results demonstrate a high correlation between the extracted IMF features obtained through VMD and the vibration frequencies observed during the operation of RV reducers.Furthermore, by comparing the spectrum of IMF, the reasons behind the abnormal vibration in inferior RV reducers were identified.Ultimately, it is determined that the abnormal vibration in inferior RV reducers were caused by the excitation from the interaction between the auto rotation of the planetary gear and the crankshaft or the revolution of the cycloid gear.This study provides valuable insights for enterprises aiming to improve the transmission accuracy and product quality of RV reducers.

Variational mode decomposition  /  RV reducer  /  Torsional vibration  /  Vibrational frequency
Jieting ZHANG, Dong YU, Junqiang LOU, Limin LUO, Linhuan GONG, Guoping LI. Torsional vibration analysis of RV reducer based on variational mode decomposition[J]. Journal of Mechanical Strength, 2025 , 47 (3) : 75 -81 . DOI: 10.16579/j.issn.1001.9669.2025.03.009
Funding
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  • Ningbo Science and Technology Innovation 2025(2018B10007; 2019B10078)
Appendix
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Year 2025 volume 47 Issue 3
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.03.009
  • Receive Date：2023-06-30
  • Online Date：2026-03-17
  • Published：2025-03-15
Article Data
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History
  • Received：2023-06-30
  • Revised：2023-07-20
Funding
Ningbo Science and Technology Innovation 2025(2018B10007; 2019B10078)
Affiliations
    1.Part Rolling Key Laboratory of Zhejiang Province, Ningbo University, Ningbo 315211, China
    2.Ningbo Zhongda Leader Intelligent Transmission Co., Ltd., Ningbo 315301, China

Corresponding:

LI Guoping, E-mail：
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
Number of
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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