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Nonlinear vibration characteristics and experimental validation of a human-vehicle-road coupled system
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Yan-wei HAN1, Ming-liang SHEN1, Meng-yuan GAO2, Zi-jian ZHANG3
Journal of Vibration Engineering | 2024, 37(1) : 60 - 70
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Journal of Vibration Engineering | 2024, 37(1): 60-70
Nonlinear vibration characteristics and experimental validation of a human-vehicle-road coupled system
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Yan-wei HAN1, Ming-liang SHEN1, Meng-yuan GAO2, Zi-jian ZHANG3
Affiliations
  • 1School of Civil Engineering, Henan University of Science and Technology, Luoyang 471023, China
  • 2School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang 471023, China
  • 3College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Published: 2024-01-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.01.007
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In order to solve the problem of complex nonlinear vibration response in the traveling vehicle system，a nonlinear dynamical model for a coupled human-vehicle-road system with three-degree-of-freedom is established. The coupled vibration equations of human-vehicle-road with three-degree-of-freedom are derived by the Lagrange equation，and the sine and cosine functions of this system arise from the geometric nonlinearity of torsional deformation. The nonlinear restoring force surfaces，potential energy surfaces and analytical expressions of natural frequency are obtained for the free vibration of the human-vehicle-road system. For the forced vibration，the influence of vehicle system parameters of vehicle mass，moment of inertia，passenger mass，seat stiffness，suspension stiffness，damping，centroid position，road wavelength and wave amplitude on the response curves of amplitude velocity is analyzed by using the numerical simulation method. The experimental platform of the coupled human-vehicle-road vibration system is built and the reliability of theoretical analysis and numerical results is verified by the experiments. The results show that this nonlinear dynamical coupled system with three degree-of-freedom can accurately describe the human-vehicle-road response characteristics，and reasonable selection of the system parameters can effectively reduce the vibration response amplitude and improve the human riding comfort.

nonlinear vibration  /  human-vehicle-road coupled system  /  free vibration  /  forced vibration  /  amplitude velocity response
Yan-wei HAN, Ming-liang SHEN, Meng-yuan GAO, Zi-jian ZHANG. Nonlinear vibration characteristics and experimental validation of a human-vehicle-road coupled system[J]. Journal of Vibration Engineering, 2024 , 37 (1) : 60 -70 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.01.007
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Year 2024 volume 37 Issue 1
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doi: 10.16385/j.cnki.issn.1004-4523.2024.01.007
  • Receive Date：2022-03-28
  • Online Date：2026-02-10
  • Published：2024-01-28
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  • Received：2022-03-28
  • Revised：2022-08-09
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Affiliations
    1School of Civil Engineering, Henan University of Science and Technology, Luoyang 471023, China
    2School of Mathematics and Statistics, Henan University of Science and Technology, Luoyang 471023, China
    3College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
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红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
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光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
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