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1、基于 RFID 公交车自动报站系统的设计与实现I基于 RFID 公交车自动报站系统的设计与实现电子信息工程专业 彭丽光摘 要 在我国各行业推行信息化的浪潮中,作为城市一个重要文明窗口的公共交通行业自然成为公众衡量城市文明程度及信息化的参照点,公交事业的发达程度不仅体现着城市的形象,也和每一位出行的市民息息相关,公交报站系统则更多体现着公交行业对乘客的贴心服务与人文关怀!当前公交车上安装使用的报站器还属于人工按键式操作,给行车带来一定安全隐患:为了加强车辆调度管理,规范车辆行驶速度,公交公司不得不安排专人在指定站点对每一辆公交车到站时间进行登记;每条线路公交车上的车载电视播放的节目内容都一样,造
2、成节目没有分众性,乘客满意度不高,同时致使广告成本居高不下。本文在充分调研当前公交行业报站系统状况的基础上,利用 ARM 技术并结合 RFID 独有的特点,提出了基于 RFID 技术的公交多功能自动报站系统。RFID 技术是非接触式自动识别的一种,它通过射频信号自动识别目标并获取相应数据。该系统不仅能实现自动报站的基本功能,而且在此基础上做到对公交车各到站时间进行考勤,同时实现了车载电视广告播放的新模式一实地广告播放模式,从而提升了公交行业的信息化水平,减少了管理成本,增强了车载电视广告的分众效应,提高了公交及车载电视行业的服务及运营水平,更为城市增添新的魅力。关键词:RFID,自动报站,多功
3、能,实地广告播放基于 RFID 公交车自动报站系统的设计与实现IIThe design and realization of the automatic broadcastingsystem for bus based on RFIDElectronic Information Engineering Specialty PENG Li - guangAbstract:In the process of informationization in China,a cityS public transportation industry becomes the measuring level a
4、nd a reference point of urban civilization for informationization as an important windowThe developing level of public transportation not only represents the image of a city,but also relates with everyone in the cityThe Broadcasting System for Bus well embodies services and careness for passengersAt
5、 present,the Broadcasting System installed on the bus is still operated manually with pushbutton,which may have potential safety hazardIn order to control the speed of each bus,Public Transport Company has to send a worker to record the time when the buses in the same 1ine arrive at the stationThe t
6、elevision installed on each bus transmits the same programmer all day,which hardly satisfies every passengerSo the cost of advertisements broadcasted on the TV cant drop Based on the studies on present public transportation system,the dissertation aims to design the multifunction automatic broadcast
7、ing system for bus,which technologically combines ARM with RFID RFID is a kind of noncontactautomatic identification technology: it identifies and obtains the corresponding data automatically through the RF signalThis system can not only realize the basic function of automatic broadcasting but also
8、do attendance checking for busesarrival time as wellAt the same time,it has realized Play AD at RealSpace-a new kind of advertising on the bus,thus enhancing the informationization level of public transportation industry,reducing management costs,satisfying most passengers favors,improving the servi
9、ng and operating level of automatic broadcasting and then makes the city more beautifulKeywords:RFID;Automatic Broadcasting:Multifunction:Play AD at Real-Space基于 RFID 公交车自动报站系统的设计与实现III目目 录录1 绪论.11.1 论文研究背景和意义.11.2 论文研究内容.5 1.3 论文的组织结构.5 2 系统相关理论.62.1 RFID 技术工作原理.62.1.1 RFID 技术简介和应用.72.1.2 RFID 系统的基
10、本组成及工作原理.72.1.3 RFID 系统的工作频率.82.1.4 RFID 技术特点及优势.8 2.2 ARM 技术及应用选型.93 系统总体设计框架.103.1 系统需求分析.113.3.1 系统的总体目标.113.1.2 公交自动报站系统 .11 3.2 通信转发站硬件设计.153.3 电子站牌信息显示系统.153.3.1 电子站牌车辆位置信息显示系统.153.3.2 电子站牌站点显示系统.163.4 电子站牌语音播报系统.184 系统的具体实现.194.1 工作频段的选择.194.2 射频收发系统硬件组成.194.2.1 概述.194.2.2 无线遥控原理.204.2.3 HX2262/2272 编码解码集成电路.215 总结与展望.