Dynamic response to road roughness on a tractor-semitrailer system with driver body model

Sheng Ling, Yunqiu Han, Jiang, Liu

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    Sheng Ling, Yunqiu Han, Jiang, and Liu, Dynamic response to road roughness on a tractor-semitrailer system with driver body model, J. Univ. Sci. Technol. Beijing , 9(2002), No. 4, pp.305-310.
    Sheng Ling, Yunqiu Han, Jiang, and Liu, Dynamic response to road roughness on a tractor-semitrailer system with driver body model, J. Univ. Sci. Technol. Beijing , 9(2002), No. 4, pp.305-310.
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    Dynamic response to road roughness on a tractor-semitrailer system with driver body model

    • Civil and Environmental Engineering School, University of Science and Technology Beijing, Beijing 100083, China

    • Mechanical Engineering School, University of Science and Technology Beijing, Beijing 100083, China

      通信作者:

      Sheng Ling E-mail: lingsh@public.fhnet.cn.net

    中文摘要

    A linear mass-spring system model of a tractor-semitrailer together with driver body parts and sprung seat is presented. Natural frequencies of the system are calculated and response of components in the system to road roughness is completed by means of computer simulation and power spectral density (PSD) approach in all of road conditions and loading cases. The results show that the severest situation of response of the system occurs when the road in rough condition and vehicle unladen. The most sensitive frequency to human body parts is around 0.9Hz, and model types of a human body seem to be not significant tothe response of a heavy tractor-semitrailer system, including to the response of the driver himself.

     

    Information

    Dynamic response to road roughness on a tractor-semitrailer system with driver body model

    Author Affilications

      • Civil and Environmental Engineering School, University of Science and Technology Beijing, Beijing 100083, China

      • Mechanical Engineering School, University of Science and Technology Beijing, Beijing 100083, China

    • Received: 24 September 2001;
    A linear mass-spring system model of a tractor-semitrailer together with driver body parts and sprung seat is presented. Natural frequencies of the system are calculated and response of components in the system to road roughness is completed by means of computer simulation and power spectral density (PSD) approach in all of road conditions and loading cases. The results show that the severest situation of response of the system occurs when the road in rough condition and vehicle unladen. The most sensitive frequency to human body parts is around 0.9Hz, and model types of a human body seem to be not significant tothe response of a heavy tractor-semitrailer system, including to the response of the driver himself.

     

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