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BP神经网络在岩层爆破参数优化中的应用Title:ApplicationofBPNeuralNetworksinOptimizationofRockBlastingParametersAbstract:Rockblastingisawidelyusedtechniqueinmining,quarrying,andconstructionindustriestobreaklargerocksintosmallerfragments.Theefficiencyandsafetyofblastingoperationsdependontheoptimalselectionofvariousparameters.Inrecentyears,artificialintelligencetechniquessuchasneuralnetworkshavebeenappliedtooptimizerockblastingparameters.ThispaperfocusesontheapplicationofBackpropagation(BP)neuralnetworksintheoptimizationofrockblastingparameters.Introduction:Rockblastinginvolvesthereleaseofenergyinaconfinedspacetofragmentrocksintosmallerpieces.Theparametersinvolvedinthesuccessfulexecutionofablastingoperationincludeexplosivetype,blastholediameterandlength,spacing,burden,stemming,initiationsequence,anddelaytime.Theoptimalselectionoftheseparametersisessentialtomaximizerockfragmentation,minimizeenergyconsumption,reduceenvironmentalimpacts,andensuresafety.BPNeuralNetworks:TheBPneuralnetworkisatypeofartificialneuralnetworkthatiswidelyusedforpatternrecognition,dataanalysis,andoptimizationproblems.Itisafeedforwardneuralnetworkthatconsistsofaninputlayer,oneormorehiddenlayers,andanoutputlayer.Thenetworkistrainedusingabackpropagationalgorithm,whichadjuststheweightsandbiasesofthenetworktominimizethedifferencebetweenthepredictedoutputandthedesiredoutput.ApplicationinRockBlastingParameterOptimization:1.DatasetCreation:ThefirststepinusingaBPneuralnetworkforoptimizingrockblastingparametersisthecreationofadataset.Dataiscollectedfrompastblastingoperations,includinginformationonthegeologicalconditions,blastdesign,andresultingfragmentation.Thisdatasetisusedtotraintheneuralnetwork.2.InputandOutputSelection:Theinputvariablesfortheneuralnetworkareselectedbasedontheirrelevanceandavailability.Thesemayincluderockproperties(density,hardness),blastholecharacteristics(diameter,spacing),andexplosiveproperties(type,energy).Thedesiredoutputoftheneuralnetworkistypicallythefragmentationsizedistribution.3.NetworkTraining:Thecreateddatasetisdividedintotrainingandtestingsets.Thetrainingsetisusedtoadjusttheweightsandbiasesoftheneuralnetworkusingthebackpropagationalgorithm.Thetestingsetisusedtoevaluatetheperformanceofthetrainednetworkandassessitsgeneralizationcapabilities.4.Optimization:Oncetheneuralnetworkistrained,itcanbeusedtooptimizetherockblastingparameters.Byinputtingthedesiredfragmentationsizedistribution,thenetworkcanprovidetheoptimalcombinationofparametersthatwouldachievethedesiredoutcome.Thisoptimizationprocessreducestheneedfortime-consumingandcostlytrialanderrormethods.AdvantagesofBPNeuralNetworks:1.Non-LinearRelationship:Rockblastingparametershavecomplexandnon-linearrelationshipswiththeresultingfragmentation.Traditionaloptimizationtechniquesmaystruggletocapturetheserelationships,whereasBPneuralnetworksexcelathandlingnon-linearproblems.2.Adaptability:Thetrainedneuralnetworkcanadapttodifferentgeologicalconditionsandblastingscenarios,makingitaversatiletoolforoptimization.3.Predictability:Oncetrained,theneuralnetworkcanprovidevaluableinsightsintotheimpactofchangingindividualparametersonthefragmentationsizedistribution.4.TimeandCostSavings:TheoptimizationofrockblastingparametersusingBPneuralnetworksreducestheneedforextensivefieldexperimentsandensuresmoreeffectiveuseofresources,leadingtosignificanttimeandcostsavings.Conclusion:TheapplicationofBPneuralnetworksinoptimizingrockblastingparametershasproventobeavaluabletoolinthemining,quarrying,andconstructionindustries.Byutilizinghistoricaldataandtrainingtheneuralnetwork,itcanaccuratelypredicttheoptimalcombinationofparameterstoachievethedesiredfragmentationsizedistribution.TheadvantagesofBPneuralnetworksinhandlingnon-linearrelationships,adaptability,predictability,andtimeandcostsavingsmakethemanattractive
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