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                           Developmentandapplicationofnative - integratedintelligentunmanned
                                       compactionsystem forhighcorerockfilldam
                                                                 1
                                               2
                                                                                         2
                                                                               1
                                                                                                   1
                                 1
                      WANGJiajun,QINingchun,ZHONGDenghua,TONGDawei,YUEPan,CUIBo
                         (1.Statekeylaboratoryofcivilengineeringsimulationandsafety,TianjinUniversity,Tianjin 300072,China;
                                  2.YalongRiverHydropowerDevelopmentCo.,LTD,Chengdu 610051,China)
                  Abstract:Unmannedcompactionistheforefrontofdamfillingconstructionresearch,whichhelpstoimprovethe
                  constructionqualityandefficiencyofrockfilldams.However ,thereiscurrentlyalackofresearchonunmanned
                  rollingsystemsundercomplexconstructionconditionswithmulti - typematerials ,andtheexistingunmannedrolling
                  systemsaremostlybasedonRTK - GNSSandmillimeter - waveradartoperceiveposesandobstacles ,andlackthe
                  multi - modalperceptionofquality ,environmentalobstaclesandposture.Theexistingunmannedrollingismostly
                  modifiedbyexternalactuators ,andthedurabilityandstabilitycannotbeguaranteed.Inviewoftheabovedeficien
                  cies,aunifieddesignandassemblyofsensingequipment,executiveequipmentandcontrolequipmentinthefacto
                  rywasadoptedtodevelopacockpit - freenativeintegratedintelligentunmannedrollingsystemindependently ,that
                  integratesfunctionssuch asmulti -modalintelligentperception , intelligentplanningdecision-makingand
                  intelligentcontrol.Amongthem,variousmodalmethodssuchasRTK - GNSS,millimeter - waveradarandmachine
                  visionareusedtorealizetheaccurateperceptionofposeandenvironmentalobstacles.Whiletheeffectivecompac
                  tionpowerisobtainedbyaccelerometerbasedonconservationofenergyprinciple,intelligentplanninganddecision -
                  makingintegratethecoveragepathplanninganddynamicoptimizationofrollingparameters.Inintelligentcontrol ,
                  thecontrolparametersofproportional - integral - derivativealgorithmaredynamicallyadjustedbybutterflyoptimiza
                  tionalgorithm ,whichrealizesprecisecontroloftrackingundercomplexconditions.Inaddition,basedonB?Sar
                  chitecture ,anativeintegratedintelligentunmannedrollingdigitaltwinplatformwasdevelopedtorealizethetwo -
                  wayinteractionbetweenphysicalspaceandtwinspaceduringrollingconstruction.Thenativeintegratedintelligent
                  unmannedcompactionsystemhasbeenappliedincomplexconstructionconditionssuchastherockfillarea,transi
                  tionareaandgravel - soilcorewallareaofLianghekouHydropowerStation.Thesystem ’sone - timerollingquality
                  compliancerateincreasedby2.42%,andtheefficiencyincreasedby15.20%.
                  Keywords:highcorerockfilldam;nativeintegratedintelligentunmannedrolling;multimodalintelligentsensing;
                  multi - material;effectivecompactionpower;intelligentplanningdecision

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