基于Kolmogorov-Arnold网络的日光温室温湿度预测及最小建模数据量

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关键词:日光温室;温湿度预测;随机森林(RF);循环神经网络(RNN);长短期记忆网络(LSTM);Kolmogorov-Arnold网络(KAN);SHAP中图分类号:TP18;S625文献标志码:A文章编号:1672-2043(2025)11-2835-17doi:10.11654/jaes.2025-0471
Abstract:Toaddress thechallngesoflowpredictionaccuracyof tmperatureandumidityinsolar greehousesatdiferenttiesteps andtheunclearminimumdatarequrementsudervaryingtheralcondions,thisstudyintroducestheKolmogorov-Aroldnetwork (KAN)andcomparesitspformanewithtreemachnelaingalgorithsRandomforest(RF),Recurrnteuraletork,and Longshort-termmemory(LST).Theojectiveistoidentifythoptialmodelfortemperatureandhumiditypredictioacrosvarious timeintervals.Subsequently,theminimumamountoftrainingdatarequiredunderdiferenttemperatureconditionswaseterinedby comparingthepredictionperformanceofmodelstrainedondiferentdatavolumes.Finally,SHAP(SHapleyAditiveexPlanations) analysiswasappliedtointerprettheifluenceofachinputfeatureonthemodeloutputs.Theresultsshowthat:theRF,LST,andKAN modelsall exhibited favorableperformanceintemperaturepredictionattime stepsranging from15minutes to1hour,with R2 values exceeding 0.9.TheKANmodeldemonstratedsuperiorperformanceinhumiditypredictionwithinthesameinterval,achevingan R2 of 0.82 (2号 andanrootmeansquareerRME)fO.14Paate15utetestep.Attiestepsof1dtod,alltheemodelsmataidgood temperature prediction accuracy, with R2 values above O.8.The KAN model also performed well in humidity prediction at the 1 d time step, with an R2 of 0.62.However,atthe7dtimestep,noneofthe models wreable toaccuratelypredict greenhouse temperatureand humidity. The minimumdatarequirementanalysisrevealedthatonly1Odaysofdataaresuffcientforaccuratetemperatureprediction,whereas humiditypredictionrequiresatleast2Odaysofdata.SHAPanalysisindicatedthatoutdoorairemperature(ATO)wasthemostiportant feature fortemperatureprediction,whileoutdoorvaporpressure(VPO)playedthedominantroleinhumiityprediction.Thisstudy demonstratesthattheKANmodelholdssignificantpotentialforgrenhouseclimateprediction,particularlyforhumidityforecasting. Moreover,acurate modelscanbeestablishedwithonly10to2Odaysoftrainingdata.Amongallinputfeatures,ATOandVPOare identified as the most influential variables for predicting temperature and humidity,respectively.
KeyWords:solar greenhouse; temperature and humidity prediction; RF; RNN; LSTM; KAN; SHAP
温室种植因具有环境稳定、产量高的特点近年来快速发展,日光温室是其中的一种重要形式。(剩余22798字)