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ZHENG Zhong-lang, LU: Peng-min. Optimization method of suspension parameters for articulated vehicle based on ride comfort and road-friendliness[J]. Journal of Traffic and Transportation Engineering, 2009, 9(5): 49-54. doi: 10.19818/j.cnki.1671-1637.2009.05.009
Citation: ZHENG Zhong-lang, LU: Peng-min. Optimization method of suspension parameters for articulated vehicle based on ride comfort and road-friendliness[J]. Journal of Traffic and Transportation Engineering, 2009, 9(5): 49-54. doi: 10.19818/j.cnki.1671-1637.2009.05.009
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Optimization method of suspension parameters for articulated vehicle based on ride comfort and road-friendliness

doi: 10.19818/j.cnki.1671-1637.2009.05.009

  • Key Laboratory for Technology and Equipment of Highway Construction of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China

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  • Author Bio:

    ZHENG Zhong-lang(1981-), male, doctoral student, +86-29-82334495, zzl_72@hotmail.com

    LU Peng-min(1957-), male, professor, PhD, +86-29-82334322, lpmin@chd.edu.cn

  • Received Date: 2009-07-21
  • Publish Date: 2009-10-25
    Abstract
  • In order to investigate the influence of articulated vehicle's suspension system on ride comfort and road-friendliness and reasonably choose suspension parameters, a 7D dynamics model of 4-axle articulated vehicle was established.Taking the vertical acceleration of tractor and the dynamic load of every axle as object functions, a multi-objective optimization method of articulated vehicle's suspension parameters was put forward based on unified objective function method.After the optimization, tractor's vertical acceleration decreases by 21.43% and the maximal dynamic load of tractor's rear tire decreases by 17.72%.It is shown that using reasonable suspension parameters not only improves vehicle's ride comfort, but also reduces the dynamic load of truck acting on the road.

     

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