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ID:31977855
大小:5.42 MB
页数:78页
时间:2019-01-30
《基于改进区间算法的发酵过程优化控制.研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、万方数据东北大学硕士学位论文AbstractResearchonOptimalControlforFermentationProcessBasedonImprovedIntervalAlgorithmAbstractIntervaloptimizationalgorithmwimintervalvariablesinsteadofpointvariablesisadeterministicglobalmethod.Byusingintervaloptimizationalgorithmtooptimizeandcontrolindustr
2、ialprocess,thenoiseanddisturbanceCanbepreventedfrominfluencingsystem.Toavoidthelostofoptimalintervalcausedbyparticleswarmwhichworksasintervalacceleratedtools,enhancethescopeofapplicationandaccuracyofintervaloptimization,theexistinginterval-particleswarmwasmodifiedinthispa
3、per.Onthebasisofit,themodifiedalgorithmWasappliedtosingleobjectiveandmulti-objectiveoptimizationofglutamicacidfermentation.Thisthesisincludesthefollowingaspectsmainly:Developmentprocess,basicconceptsandideaoftraditionalintervaloptimizationalgorithmwereintroduced.Basicproc
4、essoftraditionalintervaloptimizationalgorithmwasillustratedindetail.Advantagesanddisadvantagesofinterval·particleswarmwereanalyzed.Onaccountoftheshortcomings,interval-particleswarmoptimizationalgorithmwasimprovedinthreeaspectsinordertoenhancethequalityoftheoptimalinterval
5、.Threediversiformfunctionswereusedtodetermineitsreliability.ThemodifiedintervaloptimizationalgorithmWasappliedtooptimizeglutamicacidfermentationprocess.NeuralnetworkWasusedtofoundanintervalmodel.Rollingoptimizationideawasusedandtheacidproductionrateoffermentationprocesswa
6、stakenastheoptimizationtargettooptimizesingleoperatingvariables.Attheendofthisthesis,researchWassummarized,andimprovingdirectionofintervalalgorithmandapplicationincontroltheorywaregiven.Thentheintervaloptimizationcurvesofacidproductionrate,conversionrateandtheoperatingvar
7、iablesineachphaseweregotbyoptimizingmulti-operatingvariableswithacidyieldandconversionrateastarget.Onthisbasis,improvedalgorithmwasappliedtothemulti—objectiveoptimizationofglutamicacidtooptimizemultipleoperatingvariablessimultaneouslywithacidyieldandconversionrateasthetar
8、get.Accordingtotheactualsituation,thewholefermentationprocess_。——III。_——万方数据东北大学硕士学位论文Abstractca
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