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                Dynamicpathplanningofrockfilldam warehousesurfacerollingoperationbasedonCA - RL

                        CUIBo,ZHONGHang,WANGJiajun,TANTianwen,LINWeiwei,TONGDawei
                  (StateKeyLaboratoryofHydraulicEngineeringIntelligentConstructionandOperation,TianjinUniversity,Tianjin 300350,China)


                  Abstract:Rollingoperationisessentialtotheconstructionofrockfilldam.Scientificandreasonableplanningof
                  therollingpathofwarehousesurfacecanimprovetherollingefficiencyandmaintaintherollingquality.Currentre
                  searchonrollerpathplanningduringstorehousesurfacescompactionlacksin - depthconsiderationofdynamic
                  factorssuchaschangesinthenumberofrollingmachinesandreal - timeanalysisofcompactionquality.Regarding
                  thissituation ,thispaperproposesadynamicpathplanningmethodforrollingmachinegroupsbasedonreinforce
                  mentlearning - instructedcellularautomatamodelinstructed.First ,acellularautomata - basedrollingsurfaceinfor
                  mationmodelisestablished ,andamethodforevaluatingtheoverallcompactionqualityofstripsisproposedto
                  storeandupdatethecompactionqualityandotherwarehousesurfaceinformation.Then ,apathplanningmodel
                  basedonreinforcementlearningisestablished ,thestatesetandactionsetareconstructed,therewardfunctionis
                  designedandtheutilizationstrategyisexploredtosolvethepathassignmentproblem asthenumberofrollingma
                  chineschanges.Coupledwiththeabovetwomodels ,thedynamicpathplanningofrollergroupsinrockfilldam
                  constructionisrealized.Theengineeringapplicationshowsthattheproposedmethodcandynamicallyconsider
                  changingfactorssuchasnumberofrollersandperceptionofcompactionquality.Theplannedpathreducesinlength
                  by22.3% onaveragecomparedwithon - siteconstructionwhilemaintaininghighcompactionquality.Theproposed
                  methodcansignificantlyimprovetherollingefficiency.
                  Keywords:rockfilldamconstruction;warehousesurfacerollingoperation;dynamicpathplanning;cellularautom
                  ata ;reinforcementlearning


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