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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2007  >  7(1): 73-75
Zhang Hao-ran, Ren Gang, Wang Wei. Car-following model based on correlation analysis and safe headway[J]. Journal of Traffic and Transportation Engineering, 2007, 7(1): 73-75.
Citation: Zhang Hao-ran, Ren Gang, Wang Wei. Car-following model based on correlation analysis and safe headway[J]. Journal of Traffic and Transportation Engineering, 2007, 7(1): 73-75.
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Car-following model based on correlation analysis and safe headway

  • 1.

    School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China

  • 2.

    China Highway Planning and Design Institute(HPDI) Consultants, Inc., Beijing 100010, China

More Information
  • Author Bio:

    Zhang Hao-ran(1974-), male, engineer, doctoral student, +86-25-66805964, zhang_haoran@sohu.com

    Wang Wei(1959-), male, PhD, professor, +86-25-83794101, wangwei@seu.edu.cn

  • Received Date: 2006-09-07
  • Publish Date: 2007-02-25
    Abstract
  • In order to accurately simulate car-following vehicles with different various dynamic performances, car-following experimental data and vehicles dynamic performances were analyzed, some variables were selected by regression analysis method, a new car-following model was established. The model was improved according to vehicles dynamic performances, so that car-following simulation result was compatible with vehicles dynamic performances; the model was revised according to the distances between vehicles, so that the model had applicability. Relative errors between the simulation values and experimental data of acceleration, velocity and position are respectively 6.0%, 0.1% and 1.0%, their correlation coefficients are respectively 0.863, 0.998 and 1.000. The result shows that the model accurately simulate motorcade behavior composed of vehicles with different dynamic performances, when the velocity discretenesses and gap discretenesses of vehicles are remarkable.

     

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