吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (3): 733-739.doi: 10.13229/j.cnki.jdxbgxb201503008

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两难区引导系统激活时间的确定

贾洪飞, 杨东   

  1. 吉林大学 交通学院,长春 130022
  • 收稿日期:2013-11-11 出版日期:2015-05-01 发布日期:2015-05-01
  • 作者简介:贾洪飞(1969-),男,教授,博士生导师.研究方向:交通网络分析技术.
  • 基金资助:
    国家自然科学基金项目(51278221)

Method for determining the activation time of dilemma-zone avoidance-guiding system

JIA Hong-fei, YANG Dong   

  1. College of Transportation, Jilin University, Changchun 130022, China
  • Received:2013-11-11 Online:2015-05-01 Published:2015-05-01

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摘要： 在给出一种通过提前确定行驶行为实现交叉口处车辆引导的两难区规避系统的基础上,提出了一种系统激活时间的确定方法。首先,分析了系统激活时间对车辆引导的影响;其次,计算将要陷入两难区的车辆利用加速策略通过交叉口时所需的激活时间,对于接近速度较大的情形,给出一种增益模型用以确定激活时间上限;再次,计算将要陷入两难区的车辆利用减速策略在停车线前停车所需的激活时间;最后,选择应用加速策略和减速策略时激活时间的较大者作为系统激活时间。理论分析与算例结果表明,提出的方法可以确定合理的系统激活时间,增加了车辆通过加速引导规避两难区并通过交叉口的可能。

关键词: 交通运输系统工程, 信号交叉口, 两难区, 引导系统, 激活时间

Abstract: Based on the description of a dilemma-zone avoidance-guiding system, a method for determining the activation time of the system is proposed. First, the impact of the activation time on vehicle guidance is analyzed. Second, the activation time needed for the vehicle, which would have been caught in the dilemma zone, to cross the intersection with an acceleration strategy is computed. For high-speed vehicles, a gain model is proposed for determining the upper bound of the activation time; then the activation time for vehicle, would have been caught in the dilemma zone, to pull up before the stop line with a deceleration strategy is computed. Finally, the greater value between the two activation times is taken as the activation time of the system. Theoretical analysis and numerical examples show that an appropriate activation time can be determined by the proposed method, which can increase the possibility for vehicle to cross the intersection using accelerating strategy without being caught in the dilemma zone.

Key words: engineering of communication and transportation system, signalized intersection, dilemma zone, guiding system, activation time

中图分类号: 

  • U491
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