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基于迭代学习控制的间歇反应过程的研究
Abstract
Intermittentreactionprocesseshavetypicalfeaturessuchaslongsettlingtime,largeovershoot,andhighdegreeofnonlinearity,whichposesignificantchallengestothecontroldesign.Iterativelearningcontrol(ILC)isapowerfulmethodfordealingwiththeseproblemsinintermittentprocesses,whichcanimprovetheaccuracyandspeedofcontrolperformance.Inthispaper,theintroductionofILCanditsapplicationinintermittentreactionsystemswillbereviewed.Moreover,thedesignofILCforintermittentreactionprocessesanditsimplementationareanalyzed.Finally,thefutureresearchdirectionsofILCforintermittentreactionprocessesareproposed.
Keywords:iterativelearningcontrol,intermittentreactionprocess,controldesign,implementation,futuredirections.
Introduction
Intermittentreactionprocessesareprevalentinmanyindustrialapplications,suchasthebatchchemicalprocesses,biologicalprocesses,fermentationprocesses,andsoon.Theseprocessestypicallyexhibitseverenonlinearities,time-varyingdynamics,andcomplexbehavior,whichmakeitchallengingtoaccomplishhigh-precisioncontrolperformance.Theprimaryreasonforthedifficultiesincontrollingintermittentreactionprocessesistheirintermittentbehavior,whichmeansthattheresponsesignaloftheprocessvariessignificantlyfromcycletocycle.Moreover,thelongsettlingtime,largeovershoot,andhighdegreeofnonlinearityintheseprocessesposesignificantchallengestothecontroldesign.
Iterativelearningcontrol(ILC)isaneffectivemethodfordealingwiththeintermittentbehaviorinreactionprocesses.ThemainideaofILCistousethehistorialknowledgeofaprocesstorefineandimprovethecontrolperformanceiterativelyoversuccessivecycles.ILChasattractedsignificantattentioninrecentyearsandhasbeenwidelyappliedinmanyfields,includingrobotics,energymanagement,biomedicine,andprocesscontrol.
Inthispaper,wewilldiscussthedesignandimplementationofILCforintermittentreactionprocesses.Firstly,wewillgiveabriefintroductiontoILCanditsapplicationinintermittentprocesses.Secondly,thedesignofILCforanintermittentreactionprocesswillbeanalyzed.Finally,theimplementatio