GPS在轮胎式集装箱起重机上的应用外文翻译@中英文翻译@外文文献翻译

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1、ApplicationofGPSonYardCranesAbstract：GPSisasatellitenavigationandpositioningsystemdevelopedbyAmerica.Through24satellitesevenlydistributedintheair，thesystemensuresthatpositioninginformationcouldbewellreceivedallovertheworldatanytime.Sincethesystemwasputintooperation，i

2、thasbeenwidelyappliedtousessuchasoilsurveying，shipandaircraftnavigation，constructionpositioningandmilitaryoperation.KeyWords:GPS,cranes,PortMachineryGPSisasatellitenavigationandpositioningsystemdevelopedbyAmerica.Through24satellitesevenlydistributedintheair，thesystem

3、ensuresthatpositioninginformationcouldbewellreceivedallovertheworldatanytime.Sincethesystemwasputintooperation，ithasbeenwidelyappliedtousessuchasoilsurveying，shipandaircraftnavigation，constructionpositioningandmilitaryoperation.ZPMCbeganthestudyofGPSapplicationonyard

4、cranestwoyearsagowiththepurposeofprovidingtheRTGwithfunctionssuchasreliablestraighttravelingofgantryandautomaticcontainermanagementlikeRMG(RailMountedCrane)whilekeepingtheRTGofitsflexibilityonyardchanging(throughlongitudinaltraveling).TheGPSproductsdevelopedbyZPMChav

5、eapositioningaccuracyaround±15mmandcouldbewidelyappliedonyardcranesforfunctionslikegantryauto-steering，gantryauto-travelingandautomaticcontainermanagementMorethan50setsofGPSproductshavebeenoperatingonportsinHongKong，OmanandShanghai.ApplicationofGPSonYardCranesApplica

6、tionofGPSonYardCranesIthasbeenlongknownthattheRTG，duetoitsabilityofchangingoperationyardeasilyviawheelturningandlongitudinaltravel，isthefavoritechoiceofmanyportswhenorderingnewequipmentDuetothefactthatRTGhasnofixedrailhowever，thefunctionofthegantrysteeringandposition

7、trackingarenotwellsolved，whichbringsthefollowingdrawback：1.GantrysteeringworkisbecomingmoredifficultfollowingthattheRTGisbecominglargerandquicker；2.Rapidgrowthofinternationaltradeandcontainertransshipmentaremakingthestackingarrangementandoperationmanagementofcontaine

8、rsmoredifficult；iftheRTGisnottracked，itisinevitablethatthecontainermaybemisplaced--suchamistakewillresultinexpensiveloses;3.Automat