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核电厂主给水泵再循环流量调节阀控制策略优化 Title:OptimizationofControlStrategyforNuclearPowerPlantMainFeedwaterPumpRecirculationFlowControlValve Abstract: Themainfeedwaterpumprecirculationflowcontrolvalveplaysacrucialroleinmaintainingsafeandefficientoperationofnuclearpowerplants.Thispaperaimstooptimizethecontrolstrategyforthisvalvetoenhanceitsperformanceandensurethereliabilityoftheentiresystem.Throughanin-depthanalysisofthecurrentcontrolstrategy,variousoptimizationstrategiesareproposedandevaluatedbasedontheirabilitytoimprovestability,accuracy,andresponsiveness.Theresultsdemonstratethepotentialforsignificantenhancementsincontrolefficiencythroughtheimplementationofadvancedcontrolalgorithmsandsystemmodifications.Theseimprovementscancontributetotheoverallsafetyandprofitabilityofthenuclearpowerplant. 1.Introduction: Nuclearpowerplantsarecomplexsystemsthatrequireprecisecontrolstrategiestoensuresafe,reliableandefficientoperation.Amongthevariouscomponentsofanuclearpowerplant,themainfeedwaterpumprecirculationflowcontrolvalveplaysacriticalroleinmaintainingtherequiredflowrate.Thiscontrolvalveregulatestheflowofrecirculationwaterfromthepumpbacktothereactorvesselortovarioussystemcomponents,dependingontheplant'soperatingconditions.Theefficiencyofthisvalvedirectlyaffectsthestabilityandreliabilityoftheentiresystem.Therefore,optimizingthecontrolstrategyforthemainfeedwaterpumprecirculationflowcontrolvalveisofutmostimportance. 2.CurrentControlStrategy: Thecurrentcontrolstrategyforthemainfeedwaterpumprecirculationflowcontrolvalvetypicallyinvolvesaconventionalproportional-integral-derivative(PID)controller.Thiscontrolstrategyhasbeenwidelyusedinvariousindustrialprocessesduetoitssimplicityandeffectiveness.However,itmaynotbefullyoptimizedfortheuniqueoperatingconditionsandsafetyrequirementsofanuclearpowerplant.Therefore,adetailedanalysisoftheexistingcontrolstrategyisnecessarytoidentifyareasforimprovement. 3.OptimizationStrategies: 3.1AdvancedControlAlgorithms: Oneapproachtooptimizingthecontrolstrategyistoreplace