基于DSP的劃線車定位系統(tǒng)的研究.pdf

1、Y1215097分類號!￡229學(xué)號—20041—12004南京應(yīng)素嘎蓬碩士學(xué)位論文基于DSP的劃線車定位系統(tǒng)的研究王珩割焦萱副熬援研究方向扭電二佳絲基于DSP的劃線車定位系統(tǒng)的開發(fā)ResearchoftheRoadlineationVehiclePositioningSystembasedonDSPABSTRACTInrecentyearsthedemandsofhighwaymaIntenancehavebeenenhancedwi

2、thrapiddevelopmentofsuperhighwayinChinaRoad—lineafionisonepartofthesedemandsRoadtrafficmarkings，whichareveryimportantforroadcontrolandtrafficleading，includelines，arrows，characters，verticalplanesigns，protuberantsignposts，

3、contoursigns，etcInthepastmostlineationworkwasmanualRoadlineationinstrumentsusedtodayagehigherefficiencybutstillhavemanydisadvantagessuchaspoorautomaticmovementabilitybadworkingenvironmenthighpriceandSOOEkTherefore，itisof

4、greatpracticalimportancetodevelopintelligentroadlineationsystemThispaperfocusesOnstudyontheintelligentroad—lineationvehiclepositioningsystemwhichisbasedonultrasonicrangingmeasurementThesystemworksbydetectingtheechoofultr

5、asonicwavefiomsimulatedguardrailorcurbstoneOilroadtopositingthetoad1ineationvehicleLMl812isadoptedtotransmitandreceiveultrasonic，whichCansimplifythedesignIrroeess，reducetheinterferenceandimprovethestabilityofthesystemAst

6、hemajorcontrolsectionTMS320LF2407，digitalsignalprocessor(DSP)controllerdesignedbyTI，isusedtocontroltheultrasonicrangingsystemconsideredforitsfastcalculatingabilityanddistinguishmotorcontrolfunctionTMS320LF2407isacontroll

7、erjustformotorcontrol，ithashi曲一performanceprocessingcapabilities，optimizedfordigitalmotorandmotioncontrolapplications，providesnonintrusiverealtimecapabilitiesrequiredtodebugdigitalcontrolsystemsAcompletesuiteofcodegenera

8、tiontoolsfiomCcompilerstotheindustrystandardCodeComposerStudiodebuggersupportsthiscontrollerNumerousthirdpagtydevelopersoffernotonlydeviceleveldevelopmenttoolsbutalsosystem—leveldesignanddevelopmentsupportAserialcommunic

9、ationsInterface(scDisintegratedonalldevicestOprovideasynchronouscommunicationwitllotherdevicesintheDSPsystemAfterdebuggingandexaminingthesystemCallmakeperformance硒expectedStaticanddynamictestswereconductedwithwall，simula