700MW超超临界火电机组协调系统全工况多模型预测控制及其工程应用.docx

700MW超超临界火电机组协调系统全工况多模型预测控制及其工程应用
摘要：
本文针对700MW超超临界火电机组协调系统全工况多模型预测控制及其工程应用进行了研究。首先，介绍了超超临界火电机组协调系统的特点和重要性；然后，分析了全工况多模型预测控制的基本原理和优点；接下来，针对该系统的应用场景，提出了相应的预测模型以及基于多模型预测控制的调节策略；最后，结合实际工程应用的情况，验证了该方法的有效性。通过本文的研究，为超超临界火电机组的控制和优化提供了重要的参考意义。
关键词：超超临界火电机组；多模型预测控制；调节策略；工程应用
Introduction：
Sincetheindustrialrevolution,thermalpowergenerationhasbeenoneofthemainpowersourcesforhumanbeings.Inrecentyears,asthecountry'sindustrialstructurehasbeencontinuouslyoptimized,andpowerdemandhasbeenincreasing,supercriticalandultra-supercriticalcoal-firedpowergenerationequipmentwithhighefficiency,lowpollution,andlowemissionshasbecomethecleartrendofmodernpowergeneration.700MWultra-supercriticalcoal-firedunitshavebecomeanindispensablepartofChina'senergysystemwiththeirlargecapacity,high-efficiency,andflexibleoperation.Thecoordinatedcontrolsystemisthecorecontrolsystemoftheultra-supercriticalunit,whichplaysacriticalroleinensuringthesafeandstableoperationoftheunit.
Multi-modelpredictivecontrolisacontrolmethodthatusesmultiplemodelstopredictthefuturestateofthesystemandmakecontroldecisionsbasedonthepredictedresults.Thismethodcombinestheadvantagesofvariousmodels,improvestheadaptabilityofthecontrollertothesystem,andenhancestherobustnessandstabilityofthecontrolsystem.Therefore,itiswidelyusedinvariousfieldssuchasprocesscontrol,robotcontrol,andpowergenerationsystemcontrol.
Objective：
Thisarticleaimstostudythemulti-modelpredictivecontrolofthecoordinatedcontrolsystemofa700MWultra-supercriticalunitanditsapplicationinengineering.Byanalyzingthecharacteristicsoftheultra-supercriticalCoal-firedUnitCoordinatedControlSystem,thispaperproposesacorrespondingpredictivemodelandaregulationstrategybasedonmulti-modelpredictivecontrol.Finally,throughactualengineeringapplications,itteststhevalidnessandfeasibilityofthismethod.
Method：
1.Analysisofthecharacteristicsofthecoordinatedcontrolsystemofa700MWultra-supercriticalunit
2.Analysisofmulti-modelpredictivecontroltechnology
3.Establishmentofmulti-modelpredictivecontrolmodelforult