Page 83 - 《水资源与水工程学报》2022年第4期
P. 83
!33 " ! 4 # & ' ( ) & * + , - Vol.33No.4
2022 $ 8 % JournalofWaterResources&WaterEngineering Aug.,2022
DOI:10.11705/j.issn.1672-643X.2022.04.11
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FGHIJ:P333;TV121 .2 KLMNO:A KPQJ:1672643X(2022)04007906
Runoffpredictionmodelforlargeirrigationareasbasedon
artificialelectricfieldalgorithm optimization
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WANGXiaoxin,CENWeijun,LIZhaohui,WUGuanghua
(1.CollegeofWaterConservancyandHydropowerEngineering,HohaiUniversity,Nanjing210098,China;2.Construction
AdministrationBureauofPhase Ⅱ ProjectofZhaokouYellowRiverDiversionIrrigationArea,Zhoukou466623,China)
Abstract:Inviewofthenonlinearandnonstationarycharacteristicsofrunoffpredictiondataseriesinthe
hydrologicalprediction ,anewintelligentoptimizationalgorithm,artificialelectricfieldalgorithm(AE
FA),iscombinedwithLSTMneuralnetworktooptimizethenetworkparameters,thentheAEFA-LSTM
predictionmodelisestablished.ThemeasuredannualrunoffofXuanwuHydrologicalStationofWohe
RiverinZhaokouLargeIrrigationAreawasthenusedasthesampledataforthenetworkoptimization
trainingandpredictionanalysis,andtheresultswerecomparedwiththoseoftheGA-LSTM modeland
PSO-LSTM modelwhichwereestablishedusingconventionaloptimizationalgorithms (GAandPSO).
ThecomparisonanalysisshowsthatcomparedwithGA-LSTMmodelandPSO-LSTMmodel,theaver
agerelativeerrorofthepredictedvaluecalculatedbytheAEFA-LSTMmodelisreducedby7.59% and
5.22% respectivelyanditsaverageabsoluteerror,meansquareerrorandrootmeansquareerrorarethe
smallestofthethreemodels ,indicatingthattheAEFA-LSTM modelcanpredicttherunoffmoreaccu
rately,andprovideanewhighprecisionrunoffpredictionmethodforthehydrologicalprediction.
Keywords:runoffprediction;artificialelectricfieldalgorithm(AEFA);AEFA-LSTMmodel;param
eteroptimization;irrigationarea
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