1、西南交通大學碩士學位論文基于GPS的接觸網檢測車桿位組合測試系統(tǒng)研究姓名：高波申請學位級別：碩士專業(yè)：電力系統(tǒng)及其自動化指導教師：陳唐龍20030401西南交通大學碩士研究生學位論文第1I頁AbstractWiththerapidlydevelopofElectrifiedRailway，andthetrainrunsmoreandmorefasterThesafetyrequirementofElectrifiedRailwaybec

2、omeshigherandhigherOverheadCatenarySystem(abbrOCS)isvitaltotheElectrifiedRailway’Spowersupply，andcausestroubleeasilyTheaccidentcausedbyOCSisanimportantpartthataffectsthedevelopmentandsafetyofElectrifiedRailwayInordertoke

3、epitsperfectcondition，wemustlearnalotabouttheequipmentsofOCSCatenaryInspectionCaristhemostusefulequipment，itiswidelyusedinOCStestingOwingtotheproblemexistsinthesupportingpolenumbertestingsystemoftheCatenaryInspectionCar，

4、animprovedmethodbasedonGPSisproposedUsingthetheoryofGPSandcombiningwithdatabase，itcaneliminatetheaccumulativeerrorscausedbypulsecountTheimprovedmethodcannotonlyidentifythestartingstationandsupportingpolenumberbutalsoproo

5、freadthestationandsupportingpolenumberautomaticallyintestingComparingtothesupportingpolenumbertestingsystemoftheCatenaryInspectionCarwidelyusedatpresent，itcanenhancethelevelofautomatizationandintelligenceoftheCatenaryIns

6、pectionCarandimprovetheaccuracyofsupportingpolenumbertestingThemethodshowsgoodvalueofapplicationandpracticalsignificanceFirst，duetotheactualrequirementofsupportingpolenumbertestingsystem，theGPSCardisselectedThen，theGPSCa

7、rd’COMport’SasynchronousdriversisconfiguredandtheoutputlogsandfrequencyisselectedBeforethesupportingpolenumbertesting，weshouldsetupthedatabaseoftheoriginalpositionalcoordinateofeverysupportingpoleInthetesting，byprocessin

8、gtheRail—timepositioninformationfromtheGPSCardwecanobtainthecoordinateoftheCatenaryInspectionCaratthemomentComparingtothecoordinateofsupportingpoleintheoriginaldatabase，thepositionoftheCatenaryInspectionCarcanbeobtainedI