YU Xin-xin, LU Hua-pu, LI Yang-yang, SUN Xu, BIAN Zhang-zhi. Design model of traffic network based on stochastic supply and stochastic demand[J]. Journal of Traffic and Transportation Engineering, 2012, 12(4): 67-74. doi: 10.19818/j.cnki.1671-1637.2012.04.009
Citation: YU Xin-xin, LU Hua-pu, LI Yang-yang, SUN Xu, BIAN Zhang-zhi. Design model of traffic network based on stochastic supply and stochastic demand[J]. Journal of Traffic and Transportation Engineering, 2012, 12(4): 67-74. doi: 10.19818/j.cnki.1671-1637.2012.04.009

Design model of traffic network based on stochastic supply and stochastic demand

doi: 10.19818/j.cnki.1671-1637.2012.04.009
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  • Author Bio:

    YU Xin-xin(1984-), male, engineer, PhD, +86-10-62776928, weixx03@gmail.com

  • Received Date: 2012-02-07
  • Publish Date: 2012-08-25
  • In order to improve the traditional design method of traffic network based on definitive supply and definitive demand, the hi-level programming theory and traffic assignment theory were used, and the design model of traffic network based on stochastic supply and stochastic demand was set up. The Monte Carlo simulation, genetic algorithm and traffic assignment algorithm were applied in model solving process, and Nguyen-Dupuis traffic network was used to solve the model. Calculation result indicates that when the OD demand increases, the total travel time increases. When the construction budget increases, the total travel time decreases. When both supply and demand are uncertain, the effect of increasing construction budget on decreasing total travel time is more significant. Under different conditions, the maximum value of total travel time is 1.69 ×105 h, and the minimum value is 8.89 ×104 h. When the average value of OD demand is 350 veh·h-1 and the construction budget increases from 10 million yuan to 15 million yuan, the total travel time decreases by 3.47% under certain supply. The uncertain degrees of stochastic supply and stochastic demand have important influence on the design method of trafficnetwork. 9 tabs, 17 figs, 19 refs.

     

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    LU Hua-pu, YU Xin-xin, BIAN Chang-zhi. Model and algorithm of discrete network design problem under trip production-attraction uncertainty[J]. Statistics and Decision, 2011(6): 8-12. (in Chinese) https://www.cnki.com.cn/Article/CJFDTOTAL-TJJC201106004.htm
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