毕业设计(论文)自动发货车辆管理系统设计专业年级12级电气工程及其自动化学号120320115姓名胡坤指导教师李绍铭评阅人2016年6月中国马鞍山郑重声明本人呈交的毕业设计(论文),是在指导老师的指导下,独立进行研究工作所取得的成果,所有数据、图片资料真实可靠。尽我所知,除文中已经注明引用的内容外,本设计(论文)的研究成果不包含他人享有著作权的内容。对本设计(论文)所涉及的研究工作做出贡献的其他个人和集体,均已在文中以明确的方式标明。本设计(论文)的知识产权归属于培养单位。本人签名:日期:-1-摘要本管理系统采用了国际最新车辆自动识别技术――微波射频识别技术RFID,利用现代计算机技术、短程微波通信技术、自动控制技术实现车辆自动识别和信息化管理一体化,为进出车辆管理实现车辆信息数字化、车辆识别自动化和车辆管理智能化。本设计是基于PLC的车辆出入库管理系统,采用LED来显示车库是否满。使用两个压力感器来监控车辆的进出并完成计数工作,车辆进入时经过两个传感器使显示数字加一,车辆外出时经过两个传感器使计数器数字减一,但当车辆只经过一个传感器时不计数。为了防止意外计数错误,本系统采用反复程序校验,来提高系统的可靠性。首先,注意控制两个传感器之间的距离,用程序验证进出车库的是否是车辆,当人通过传感器时不计数;其次,采用逻辑互锁方式,启动加计数则要锁定减计数,产生加计数脉冲时则要锁定减计数脉冲,如此以保证可靠性;最后,及时的进行复位处理,以免车辆在传感器附近作往返运动时错误计数。关键词:微波射频识别技术RFID;PLC;传感器;车库-2-AbstractThethrustofCMUresearchundertheDARPAVideoSurveillanceandMonitoring(VSAM)projectiscooperativemulti-sensorsurveillancetosupportbattlefieldawareness.UnderourVSAMIntegratedFeasibilityDemonstration(IFD)contract,wehavedevelopedautomatedvideounderstandingtechnologythatenablesasinglehumanoperatortomonitoractivitiesoveracomplexareausingadistributednetworkofactivevideosensors.Thegoalistoautomaticallycollectanddisseminatereal-timeinformationfromthebattlefieldtoimprovethesituationalawarenessofcommandersandstaff.Othermilitaryandfederallawenforcementapplicationsincludeprovidingperimetersecurityfortroops,monitoringpeacetreatiesorrefugeemovementsfromunmannedairvehicles,providingsecurityforembassiesorairports,andstakingoutsuspecteddrugorterroristhide-outsbycollectingtime-stampedpicturesofeveryoneenteringandexitingthebuilding.Automatedvideosurveillanceisanimportantresearchareainthecommercialsectoraswell.Technologyhasreachedastagewheremountingcamerastocapturevideoimageryischeap,butfindingavailablehumanresourcestositandwatchthatimageryisexpensive.Surveillancecamerasarealreadyprevalentincommercialestablishments,withcameraoutputbeingrecordedtotapesthatareeitherrewrittenperiodicallyorstoredinvideoarchives.Afteracrimeoccurs–astoreisrobbedoracarisstolen–investigatorscangobackafterthefacttoseewhathappened,butofcoursebythenitistoolate.Whatisneedediscontinuous24-hourmonitoringandanalysisofvideosurveillancedatatoalertsecurityofficerstoaburglaryinprogress,ortoasuspiciousindividualloiteringintheparkinglot,whileoptionsarestillopenforavoidingthecrime.Inmetallurgy,coaltransportationandsurvivallineandsoonmanyareas,carloadingsystemusingPLCcontrolisquitecommon,itismainlytheuseofautomationequipmentwiththeapplicationofPLC,realizetheautomaticprocessofmaterialsdelivery,receiving,processing,storage.Allplantproductiondepartment,administrationdepartment,securitydepartment,warehousetightlyconnected,sothat-3-thewholesystemcanbemoresafe,rapid,accurate,fastertoimproveproductionefficiencyandsafety.Thetrolleyincoalminetransportationasanexample:inviewofthebadworkingenvironment,peoplecannotlongtimestayatthebottom,nottoreceivesunlight,forlongtimeworking,haveconsiderableharmtothehealthofthehumanbody.Equipmentenvironmentseriousdust,humidityandtemperatureisnotstable,theoperationisnotconcentrated,sothesecurity,stability,automaticloadingsystemoperation,simplemaintenancerequirementshigher.Theuseofprogrammablelogiccontrollertocontrolthefeedingtrolleytoachievetheworkenvironmentofdust,safety,stability,aseriesofproblemssuchasoperation,greatlyimprovetheproductivity,andsafety,savinglabor.Industrialautomationisnowdevelopingcountriesthetrend,thepopularizationofPLCtolifeisinevitable,usingPLCtechnologytobetter.Considerincoalmineenvironment,thefollowingaremainlyforcoalintheproductionprocess,hascarriedonthevehicleloading,transportation,unloadingandotherdesign,mainlythroughthemanualandautomatic.Keywords:DARPA,VSAM,Automaticfeedloading,PLC,Kingview-4-目录摘要..................................................................................................................................IABSTRACT................................................................................................................II目录.............................................................................................................................III第一章绪论............................................................................................................1第二章智能识别系统介绍.................................21.1系统设计目标.................................................21.2系统简介.....................................错误!未定义书签。1.2.1自动识别系统发展历程...................................31.2.2工作原理...............................................3第三章智能识别系统组成.................................42.1RFID系统的重要组成部分......................................52.2系统结构与功能模块简述.......................................62.3系统功能简介.................................................92.4系统工作流程················································10第四章运料车出入库系统PLC设计.........................113.1PLC的基本结构.............................................113.2PLC的工作原理.............................................123.3车辆出入库管理系统的构成..................................123.3.1整体框架..............................................133.3.2传感器的布置..........................................133.3.3I/O口地址分配..............