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ID:36421299
大小:7.42 MB
页数:66页
时间:2019-05-10
《基于GPS_GSM短消息的车载定位系统的设计与模拟实现》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、西南交通大学硕士学位论文基于GPS/GSM短消息的车载定位系统的设计与模拟实现姓名:谢霖申请学位级别:硕士专业:控制理论与控制工程指导教师:汪晓宁20080501西南交通大学硕士研究生学位论文第Ⅱ页AbstractWiththerapiddevelopmentofmarketeconomy,manyproblemsinthetrafficmanagement,suchastheheavytraffic,everincreasingaccidentsandcal"robbery,haveemergedduetothefactmatthegrowthrateofprivat
2、ecarsinthecitiesisfasterthanthatoftheroadconstruction.Thus,itissignificantthathowtoutilizethetechnologiesexistedtosolvetheaboveproblems.AgoodresolutionisofferedtosettletheproblemsmentionedabovebasedonGPS/GSMvehiclemonitoringsystem.Inthissystem,thevehiclelocationisaccomplishedbytheGPSmodu
3、lecarriedbythevehicle,beforetheinformationofthe10cationissenttothemonitorcentrebytheGSMmedule,itisneededtobepreprocessedbythecontrolmodule,themonitoringcentre,alongwiththeGISsystem,sendsthecontrolcommandstothevehicleterminalaftertheanalysisofthelocationinformation.Firstly,thedevelopments
4、ofvehiclemonitoringsystemandtheprinciplesofthesystemarepresented,includingthecompositionofGPSsystem,theshuctllreofthesignals,theprincipleofpositioningandthelocationerror.Bythecomparisonamongseveralwirelesscommunicationprotocolsinthevehiclelocationsystem,GSMmessageserviceisselectedtoserve
5、astheultimatesolutiontocommunication.Secondly,particularintentionispaidonthetechnologiesrelevanttoGSMcommunication.Designofthevehicleterminalisdiscussedfromthepracticalpointofview.BasedontheanalysisoftheGPSmodule,GSMmoduleandARMmaincontrolmodule,thebasicfunctionsofthevehicleterminalarere
6、alizedbyusingtheprogramscompiled.Finally,asimulativemonitoringcentreiscompletedutilizingVC6.O.DebuggingresultsshowthatthevehicleterminalCantransmitthelocationinformationfromtheGPSmoduletothemonitoringcenterintheformofmessage,andCanreceivethecontrolcommandsfromthemonitoringcentre.,nlesimu
7、latedmonitoringcentretakesinchargeoftheanalysisofthelocationinformationsentfromthevehicleterminalandsendingtheeffectiveinformation,suchaslongJ【tudeandlatitude,time,speed,course,ere.,backtothevehicle.Thus,duplexcommunicationbetweenvehicleandmonitoringcentreisaccomplished.K
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