城市交叉口信号控制在线仿真系统设计
发布时间：2018-10-04 19:06
【摘要】：交叉口区域是整个城市交通体系中存在冲突现象最严重，事故发生最多的区域。因此，结合现代计算机技术、传感技术、通信技术，对于交叉口进行智能控制，提高交通信号控制效率，减少冲突区域延误时间，具有十分重要的意义。 本文对于城市交叉口的信号控制进行研究，利用德国PTV公司开发的微观仿真软件VISSIM对于交叉口信号控制进行仿真模拟，并通过软件提供的应用数据接口VISSIM_COM，将仿真系统与外部硬件系统进行连接，实时采集交通数据信息和信号控制系统数据，输出仿真结果并对于信号控制方案进行分析。 论文主要工作如下： 1.介绍了交通仿真基本模型以及信号控制基本方式和重要参数，对于基本仿真过程、参数影响进行了研究分析； 2.对仿真系统进行了整体性设计，将各个功能部分模块化，分别进行了方案分析与设计，并对各个部分之间的通信规程进行了简要分析； 3.对微观仿真软件VISSIM进行了详细介绍，选取天津市光荣道沿线交叉口及路段建立标准仿真工程实验，完成定时信号控制仿真实验；选取了特定路段进行了感应信号控制的仿真实验； 4.利用VISSIM软件的提供的VISSIM_COM接口和外部信号控制器接口，，编程实现虚拟仿真环境与真实交通数据接口的二次开发与利用，完成信号控制方案的实时调整与控制。
[Abstract]:Intersection area is the most serious conflict and accident area in the whole urban traffic system. Therefore, combining modern computer technology, sensor technology and communication technology, it is of great significance to carry out intelligent control for intersection, improve the efficiency of traffic signal control and reduce the delay time in conflict area. In this paper, the signal control of urban intersection is studied, and the signal control of intersection is simulated by using the micro simulation software VISSIM developed by PTV Company of Germany. The simulation system is connected with the external hardware system through the application data interface VISSIM_COM, provided by the software. The traffic data information and the signal control system data are collected in real time. The simulation results are outputted and the signal control scheme is analyzed. The main work of this paper is as follows: 1. The basic model of traffic simulation, the basic mode of signal control and important parameters are introduced. The influence of parameters on the basic simulation process is studied and analyzed. 2. The whole design of the simulation system is carried out, and each function part is modularized, the scheme analysis and design are carried out respectively, and the communication rules between each part are briefly analyzed. 3. The microcosmic simulation software VISSIM is introduced in detail. The standard simulation engineering experiment is established at the intersection and section along Guang Road in Tianjin, and the simulation experiment of timing signal control is completed. Selected a specific section of the induction signal control simulation experiment; 4. Using the VISSIM_COM interface and external signal controller interface provided by VISSIM software, the secondary development and utilization of virtual simulation environment and real traffic data interface are realized, and the real-time adjustment and control of signal control scheme are completed.
【学位授予单位】：河北工业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U491.54
本文编号：2251519
[Abstract]:Intersection area is the most serious conflict and accident area in the whole urban traffic system. Therefore, combining modern computer technology, sensor technology and communication technology, it is of great significance to carry out intelligent control for intersection, improve the efficiency of traffic signal control and reduce the delay time in conflict area. In this paper, the signal control of urban intersection is studied, and the signal control of intersection is simulated by using the micro simulation software VISSIM developed by PTV Company of Germany. The simulation system is connected with the external hardware system through the application data interface VISSIM_COM, provided by the software. The traffic data information and the signal control system data are collected in real time. The simulation results are outputted and the signal control scheme is analyzed. The main work of this paper is as follows: 1. The basic model of traffic simulation, the basic mode of signal control and important parameters are introduced. The influence of parameters on the basic simulation process is studied and analyzed. 2. The whole design of the simulation system is carried out, and each function part is modularized, the scheme analysis and design are carried out respectively, and the communication rules between each part are briefly analyzed. 3. The microcosmic simulation software VISSIM is introduced in detail. The standard simulation engineering experiment is established at the intersection and section along Guang Road in Tianjin, and the simulation experiment of timing signal control is completed. Selected a specific section of the induction signal control simulation experiment; 4. Using the VISSIM_COM interface and external signal controller interface provided by VISSIM software, the secondary development and utilization of virtual simulation environment and real traffic data interface are realized, and the real-time adjustment and control of signal control scheme are completed.
【学位授予单位】：河北工业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U491.54
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