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A Comparative Study on Traffic Flow Models Based on Real Measured Data[J]. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(5): 848-855. DOI: 10.6052/0459-1879-2010-5-lxxb2009-128
Citation: A Comparative Study on Traffic Flow Models Based on Real Measured Data[J]. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(5): 848-855. DOI: 10.6052/0459-1879-2010-5-lxxb2009-128
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A Comparative Study on Traffic Flow Models Based on Real Measured Data

  • Received Date: March 09, 2009
  • Revised Date: June 15, 2009
    Graphical Abstract
    • Abstract
  • Through both the analysis of over 26,000 real measured data collected on Shanghai's Yan'an Viaduct and the comparison with Kerner's classic model, it is found that the flow-density figure shows that non-linear regional characters even exist in the low density section. In addition, a method to quantify the proportion of aggressive drivers is proposed by means of fitting different equilibrium functions to real measured data and then forming a piecewise function composed of the best-fit function in each density section. This piecewise equilibrium function is much closer to China's present traffic conditions. Keywords: Traffic Flow Models; Measured Data; Flow-density Figure; Piecewise Equilibrium Function ;Aggressive Drivers;
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