环形交叉口的所有进口道适时交通信号控制策略

发布时间：2018-04-01 16:18

本文选题：交通运输系统工程　切入点：环形交叉口　出处：《吉林大学学报(工学版)》2016年01期

【摘要】：以中大型环形交叉口为研究对象,针对传统的个别进口道适时交通信号控制策略适用范围窄、难以避免环道全局死锁的问题,提出了一种所有进口道适时交通信号控制策略。该策略要求全面监测进口道和环道的交通运行状态,面向所有进口道适时实施交通信号控制,预设了3种交通运行组织方式,采用模块化设计并以交通事件为驱动机制,能够及时预判并彻底消除环道全局死锁的可能性,动态调整交通运行组织方式以及交通信号灯色的显示时间,主动适应机动车交通负荷水平的连续变化。仿真实验结果显示,该控制策略在较低和中等机动车交通负荷水平下具有良好的性能,较高机动车交通负荷水平下相对较差的性能预示着继续提升环形交叉口的交通控制等级的必要性。
[Abstract]:Aiming at the problem of narrow application range of traditional traffic signal control strategy for individual entrance roads, it is difficult to avoid the global deadlock of ring road, and a traffic signal control strategy for all entrance roads is proposed in this paper.The strategy requires the overall monitoring of the traffic status of the inlet and ring roads, the timely implementation of traffic signal control for all the entrances, the presupposition of three modes of traffic operation organization, the adoption of modular design and the use of traffic event-driven mechanisms.It can timely predict and eliminate the possibility of global deadlock of the ring road, dynamically adjust the traffic operation organization mode and the display time of the traffic signal color, and adapt to the continuous change of the traffic load level of the motor vehicle actively.The simulation results show that the control strategy has good performance at low and medium vehicle traffic load levels.The relatively poor performance at higher vehicle traffic load level indicates the necessity to continue to improve the traffic control grade of the annular intersection.
【作者单位】：大连理工大学交通运输学院;
【基金】：国家自然科学基金项目(61374193) 教育部人文社会科学研究青年基金项目(13YJCZH213)
【分类号】：U491.54

【相似文献】