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Developmentandapplicationofnative - integratedintelligentunmanned
compactionsystem forhighcorerockfilldam
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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
(责任编辑:李福田)
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