摘要：随着经济的发展和城市车辆的日益增多，城市交通问题越来越严重，物联网技术在城市交通领域有着广阔的应用前景，智能交通就是它的一个典型应用，智能交通将先进的信息技术、数据通信传输技术、电子传感技术、控制技术及计算机技术等有效地集成，运用于整个地面交通管理系统。建立一种实时、准确、高效的综合交通运输管理系统。本次设计通过对智能交通发展现状及存在问题的初步分析，结合系统总体架构，以交通信号灯系统为中心展开模拟设计。本文研究的中心就是交通信号监控系统，它以交通信号监控系统为中心展开，除了实现对东西南北方向通行与禁止时间的控制，还设计了根据车流量的变化，利用串口中断模拟智能调节红绿灯时间。76398

毕业论文关键词：物联网，交通信号监控，智能交通 ，串口中断

Abstract：With increasing economic development and urban vehicles, urban transportation problem is getting worse, The Internet of things in the field of urban transport technology has broad application prospects, intelligent transport is one of its typical applications, intelligent transportation advanced information technology, effectively integrate data communications transmission technology, electronic sensor technology, control technology and computer technology, applied to the whole ground traffic management system。 Establish a real-time, accurate and efficient integrated transport management system。 The design on the status of the development of intelligent transportation and preliminary analysis of existing problems, combined with the overall system architecture, traffic signal system as the center expanded analog design。 The center of this study is to monitor the traffic signal system, traffic signal control system it began as the center, in addition to achieving control of the East and West directions prohibiting access and time, also designed based on changes in traffic flow, the use of serial interrupt simulation smart regulation time traffic lights Adjustment。

Keywords：The Internet of things,Traffic signal monitoring , intelligent transportation,Serial port   interrupt

目录

1 绪论 4

1。1 研究背景与意义 4

1。2 交通控制信号 4

1。3 国内外研究现状 5

1。4 未来发展趋势 6

2 物联网技术 6

2。1 物联网的定义 6

2。2 物联网体系结构 7

2。3 物联网RFID系统 8

3 ITS系统设计 8

3。1 系统的设计要求 9

3。2 系统设计方案 9

3。3 设计流程图 10

4 ITS实验室模拟 10

4。1 系统模拟环境 10

4。2 系统建模 14

4。3 交通流量统计 14

4。4交通控制信号智能调整算法 15

4。5 信号控制系统的实验室模拟 16

4。6电子警察抓拍系统设计 21

4。7抓拍系统工作原理 21

4。8前端模块 22