公交优先交叉口信号控制微缩仿真系统研究

发布时间：2018-03-28 21:41

本文选题：智能交通系统　切入点：交通信号控制　出处：《长安大学》2014年硕士论文

【摘要】：智能交通系统ITS（Intelligent TransportationSystem, ITS）是现阶段交通运输系统乃至未来交通运输系统的主要研究领域和重要发展方向，而智能道路系统（IntelligentRoadway System, IRS）又是ITS的重要组成部分，一直是交通发达国家研究的热点。基于该系统，本文提出了交叉口车路协同实验系统框架、实现方法并进行了系统平台的搭建。该实验平台主要实现的功能包括：仿真小车自动避碰，仿真小车定位，无线数据收发，交通信号灯配时控制等。进而通过对交叉口交通信号灯的配时控制，减少晚点公交车在交叉口的延误，提高公交车的准点率。本文的主要工作如下： 1、设计了双车道交叉口的道路模型，搭建双车道交叉口硬件平台，确定了仿真小车的运行路线。 2、规划仿真小车的行驶路线，实现智能仿真小车在既定环路运行，，包括仿真小车运行的基本动作、仿真小车自动避碰、仿真小车定位及仿真小车通信的功能。 3、设计交通信号灯控制系统，包括交通信号灯硬件平台的搭建，交通信号灯相位及配时控制，交通信号灯与仿真小车之间的无线通信。 4、设计了基于公交车辆优先的交通信号灯配时方案，讨论了当有少量公交车通过交叉口时的交通信号灯配时方案和有较多公交车排队通过时交通信号灯的配时方案，后者利用模糊逻辑控制的方法调节交通信号灯的配时方案。
[Abstract]:ITS(Intelligent Transportation system (ITSs) is the main research field and important development direction of transportation system and transportation system in the future, and Intelligent Roadway system (IRS) is an important part of ITS. It has always been a hot research topic in developed countries. Based on this system, this paper puts forward the framework of intersection vehicle-road cooperative experimental system. The main functions of the experimental platform are as follows: automatic collision avoidance simulation vehicle positioning wireless data transceiver. Traffic lights timing control. Then through the intersection traffic lights timing control, reduce the delay of the late bus at the intersection, improve the bus punctuality rate. The main work of this paper is as follows:. 1. The road model of the two-lane intersection is designed, the hardware platform of the two-lane intersection is built, and the running route of the simulation vehicle is determined. 2. Planning the driving route of the simulation vehicle, realizing the function of intelligent simulation vehicle running in the fixed loop, including the basic movement of the simulation car, the automatic collision avoidance, the positioning of the simulation car and the communication function of the simulation vehicle. 3. The traffic signal control system is designed, including the construction of the traffic signal hardware platform, the phase and timing control of the traffic signal, and the wireless communication between the traffic signal light and the simulation vehicle. 4. The traffic signal timing scheme based on bus priority is designed. The traffic signal timing scheme when a small number of buses pass through the intersection and the traffic signal timing scheme when there are more buses queueing through the intersection are discussed. The latter uses the method of fuzzy logic control to adjust the timing scheme of traffic lights.
【学位授予单位】：长安大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U491.232;U495

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