To enhance the vibratory roller’s comfort, three different types of seat suspension including the seat’s semi-active suspension system (SASS) controlled by the FLC-PID controller, seat’s passive suspension system (PSS) added by the quasi-zero stiffness structure (QZSS), and seat’s SASS added by the QZSS are proposed. Three different vehicle dynamic models including a one-dimensional (1D) model, two-dimensional (2D) model, and three-dimensional (3D) model are established to evaluate the performance and stability of the seat’s suspension systems under different operating conditions. The root mean square (RMS) acceleration and power spectral density (PSD) acceleration of the seat have been selected as the evaluation indexes. The mathematical model and numerical simulation method are then tested via the experiment to enhance the reliability of the research results. The research result shows that the seat’s vibration characteristic using 1D, 2D, and 3D models is the same. However, the seat’s RMS acceleration and maximum PSD acceleration using the 1D model are increased by 30.6% and 61.7% in comparison with the 3D model, whereas the seat’s acceleration and PSD acceleration using the 3D model are like the measured results. Thus, the use of the vehicle model greatly influences the research result. By adding the QZSS into the seat’s SASS, the seat’s RMS and maximum PSD accelerations are greatly reduced in comparison with all seat’s PSS, seat’s SASS without the QZSS, and seat’s PSS added by QZSS. Therefore, the seat’s SASS added by the QZSS should be applied to further enhance the vibratory roller’s comfort.


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    Titel :

    Performance study of semi-active seat suspension added by quasi-zero stiffness structure under various vibratory roller models


    Beteiligte:
    Yang, Jing (Autor:in) / Van Liem, Nguyen (Autor:in) / Wang, Xiangjie (Autor:in) / Lu, Jianmin (Autor:in) / Shi, Dingding (Autor:in) / Ma, Chunyu (Autor:in)


    Erscheinungsdatum :

    2024-04-01




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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