青岛工学院毕业论文(设计)非接触式超高频自动识别技术RFID的应用学生姓名梅艳艳学号201102405220指导教师孟友新学院信息工程学院专业通信工程年级2011级答辩日期2015年6月10日青岛工学院非接触式超高频自动识别技术RFID的应用完成日期:指导教师签字:评阅教师签字:答辩小组组长签字:答辩小组成员签字:I摘要射频识别技术是一种非接触式无线自动识别技术,其原理是通过射频信号自动识别对象目标而获取相关数据。由于人们对中高频的研究技术的研究趋于成熟,中高频射频技术不能对多个电子标签进行远距离识别和读取,而超高频系统可以对多个电子标签进行远距离识别和读取,所以论文是对860~960MHz超高频段射频系统的应用研究。论文设计PC机串口软件或SDK中间件对超高频读写器发出命令信号,超高频读写器中控制模块接收到信息,然后让超高频读写器中的射频模块通过射频天线发射出电磁波,当ISO18000-6B标签和EPC标签这两种无源电子标签接收到电磁波信号时,获得能量被激活,通过内置的射频天线将电子标签的信号发送出去。从电子标签发射出的信号被超高频读写器接收天线接收后,传送到超高频读写器的控制模块,控制模块传送数据给接口模块,通过超高频读写器的接口模块处理后再将其向PC机串口软件或SDK中间件发送数据信息。所以PC机串口软件和SDK中间件可实现对这两种类型的电子标签进行多标签识别、单标签写入数据、单标签读取数据、标签初始化、标签锁定,完成了对非接触式自动识别技术RFID在超高频段的应用。射频技术可以应用在物流领域、物品追踪、和智能家居等领域。关键词:RFID;EPC电子标签;超高频阅读器IIAbstractRFIDisanon-contactautomaticidentificationtechnology,wirelessitsprincipleisthroughradiofrequencysignalautomaticallyidentifyobjectsandobtainrelevantdata.Aspeopleforthestudyofhighfrequencytechnologyinmature,thehighfrequencyradiofrequencytechnologycannotmoreelectronicidentificationtagandtoread,UHFsystemcanbereadonmultipleelectronictagstoidentifyandatadistance,sothisthesisdesignresearchfocusesonthe860~960MHzultrahighfrequencyradiofrequencysystemresearch.ThepaperdesignthePCserialportsoftwareorSDKmiddlewareissuesacommandsignalforUHFreader,UHFreadercontrolmodulereceivestheinformation,andthenlettheUHFreaderinUHFradiomoduleemitselectromagneticwavesbyradiofrequencyantenna,whenISO18000-6BtagsandEPCtagbothpassiveRFIDtagsreceivetheelectromagneticsignals,gainenergyisactivatedbythebuilt-inradiofrequencyelectronictagantennasignalissentout.AfteremittedfromtheelectronictagsignalsarereceivingthroughtheUHFreader,UHFreadersenttothecontrolmodule,thecontrolmoduletransmitsdatatotheinterfacemodule,viaUHFreaderinterfacemoduleforprocessingthenthemessageitsendsthedatatothePCserialsoftwareorSDKmiddleware.SothePCserialsoftwareorSDKmiddlewaretoachievethesetwotypesofelectronictagsformulti-tagidentification,single-labelwritedata,singletagreaddata,initializetag,locktaganddestructiontag,completedthenon-contactautomaticidentificationtechnologyRFIDapplicationofUHFband.Keywords:RFID;EPCelectronictags;UHFreaderIII目录1绪论................................................错误!未定义书签。1.1课题来源.........................................................11.2国内外研究现状...................................................11.3本章小结........................................................22RFID技术和RFID标准体系.........................................32.1RFID技术的定义和分类............................................32.2RFID射频系统的三大主要标准体系..................................42.2.1ISO/IEC标准.................................................42.2.2EPCGlobal标准..............................................52.2.3UID标准.....................................................52.3RFID的基本组成及工作原理........................................62.4电子标签.........................................................62.5读写器...........................................................82.6本章小结.........................................................93硬件及软件设备...................................................103.1两种标签........................................................103.2超高频MR6034E读写器...........................................113.3SDK中间件......................................................113.4本章小结.......................................................124RFID读写器系统..................................................134.1RFID系统构成...................................................134.2网络链路方式...................................................134.2.1串口和网口方式的比较........................................134.2.2UHF读写器RS232串口的通信协议..............................144.3读写器系统的字节协议接口.......................................154.3.1设置读写器RS232通信波特率..................................154.3.2读取读写器软件版本.........................................154.3.3查询读写器射频参数.........................................164.3.4查询读写器的工作天线.......................................164.4EPCGen2标签字节协议接口.......................................164.4.1EPCGen2多标签识别.........................................164.4.2EPCGen2标签任意区域写入..................................174.4.3EPCGen2标签的读取.........................................17IV4.4.4EPCGen2标签初始化.........................................174.4.5EPCGen2标签数据锁定.......................................174.5本章小结........................................................185字节协议方式的读写器与电子标签读写方法与原理................195.1字节协议方式对读写器操作.......................................195.1.1设置读写器RS232通信波特率.................................195.1.2读取读写器软件版本........................................195.1.3查询读写器射频参数........................................195.1.4查询读写器工作天线........................................195.2字节型协议对EPCGen2标签操作..................................205.2.1EPCGen2多标签识别.........................................205.2.2EPCGen2标签任意区写入数据.................................205.2.3EPCGen2标签读数据.........................................205.2.4EPCGen2初始化标签.........................................215.2.5EPCGen2标签锁定...........................................215.3本章小结.........................