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Nonlinear dynamics of NW wind power transmission system
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Shuai MO1, 2, 3, Yiheng LIU1, 2, Xuan HUANG1, 2, Wei ZHANG1
Journal of Vibration Engineering | 2025, 38(4) : 722 - 730
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Journal of Vibration Engineering | 2025, 38(4): 722-730
Nonlinear dynamics of NW wind power transmission system
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Shuai MO1, 2, 3, Yiheng LIU1, 2, Xuan HUANG1, 2, Wei ZHANG1
Affiliations
  • 1.State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures，Guangxi University，Nanning 530004，China
  • 2.School of Mechanical Engineering，Guangxi University，Nanning 530004，China
  • 3.State Key Laboratory of Intelligent Manufacturing Equipment and Technology，Huazhong University of Science and Technology，Wuhan 430074，China
Published: 2025-04-10 doi: 10.16385/j.cnki.issn.1004-4523.2025.04.007
Outline
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In order to accurately study the nonlinear dynamic characteristics of NW（internal and external meshing planetary gear train）wind power transmission system，this paper considers factors such as random wind speed，time-varying support stiffness，ring gear flexibility，time-varying meshing stiffness，transmission error，tooth flank clearance，and bearing clearance. A nonlinear dynamic model of the NW planetary gear-bearing system is established. Time history，FFT spectrum，Phase diagram，and Poincaré maps are used to describe the nonlinear characteristics of the system，and bifurcation diagrams and the maximum Lyapunov exponent are used to describe the influence of excitation frequency and meshing stiffness on the nonlinear behavior of the system in more detail. The results show that the NW planetary gear-bearing system has rich nonlinear characteristics. In a specific range of excitation frequencies，the system can enter a chaotic motion state，leading to instability. However，within a certain range of meshing stiffness，the system can operate stably.

nonlinear dynamics  /  NW planetary gears  /  random wind speed  /  time-varying support stiffness  /  ring gear flexibility
Shuai MO, Yiheng LIU, Xuan HUANG, Wei ZHANG. Nonlinear dynamics of NW wind power transmission system[J]. Journal of Vibration Engineering, 2025 , 38 (4) : 722 -730 . DOI: 10.16385/j.cnki.issn.1004-4523.2025.04.007
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Year 2025 volume 38 Issue 4
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2025.04.007
  • Receive Date：2023-05-08
  • Online Date：2026-02-12
  • Published：2025-04-10
Article Data
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History
  • Received：2023-05-08
  • Revised：2023-07-30
Funding
Affiliations
    1.State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures，Guangxi University，Nanning 530004，China
    2.School of Mechanical Engineering，Guangxi University，Nanning 530004，China
    3.State Key Laboratory of Intelligent Manufacturing Equipment and Technology，Huazhong University of Science and Technology，Wuhan 430074，China
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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
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
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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