外文翻译---gps在轮胎式集装箱起重机上的应用

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1、中文2295字ApplicationofGPSonYardCranesAbstract：GPSisasatellitenavigationandpositioningsystemdevelopedbyAmerica.Through24satellitesevenlydistributedintheair，thesystemensuresthatpositioninginformationcouldbewellreceivedallovertheworldatanytime.Sincethesystemwasputintooperation，ithasbeenwidelyappliedtous

2、essuchasoilsurveying，shipandaircraftnavigation，constructionpositioningandmilitaryoperation.KeyWords:GPS,cranes,PortMachineryGPSisasatellitenavigationandpositioningsystemdevelopedbyAmerica.Through24satellitesevenlydistributedintheair，thesystemensuresthatpositioninginformationcouldbewellreceivedallov

3、ertheworldatanytime.Sincethesystemwasputintooperation，ithasbeenwidelyappliedtousessuchasoilsurveying，shipandaircraftnavigation，constructionpositioningandmilitaryoperation.ZPMCbeganthestudyofGPSapplicationonyardcranestwoyearsagowiththepurposeofprovidingtheRTGwithfunctionssuchasreliablestraighttravel

4、ingofgantryandautomaticcontainermanagementlikeRMG(RailMountedCrane)whilekeepingtheRTGofitsflexibilityonyardchanging(throughlongitudinaltraveling).TheGPSproductsdevelopedbyZPMChaveapositioningaccuracyaround±15mmandcouldbewidelyappliedonyardcranesforfunctionslikegantryauto-steering，gantryauto-traveli

5、ngandautomaticcontainermanagementMorethan50setsofGPSproductshavebeenoperatingonportsinHongKong，OmanandShanghai.ApplicationofGPSonYardCranesApplicationofGPSonYardCranesIthasbeenlongknownthattheRTG，duetoitsabilityofchangingoperationyardeasilyviawheelturningandlongitudinaltravel，isthefavoritechoiceofm

6、anyportswhenorderingnewequipmentDuetothefactthatRTGhasnofixedrailhowever，thefunctionofthegantrysteeringandpositiontrackingarenotwellsolved，whichbringsthefollowingdrawback：1.GantrysteeringworkisbecomingmoredifficultfollowingthattheRTGisbecominglargerandquicker；2.Rapidgrowthofinternationaltradeandcon

7、tainertransshipmentaremakingthestackingarrangementandoperationmanagementofcontainersmoredifficult；iftheRTGisnottracked，itisinevitablethatthecontainermaybemisplaced--suchamistakewillresultinexpensiveloses;3.