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1、质子交换膜电池建模及控制报告人:彭飞主要内容预备知识后期工作建立模型控制系统基本原理Anode:Cathode:质子交换膜燃料电池系统框图质子交换膜燃料电池实际模型主要内容预备知识后期工作建立模型控制系统质子交换膜电池总体模型质子交换膜电池总体模型StackVoltageModelLarminie,J.andDisks,A.2000FuelSystemExplainedStackoutputVoltage:(2-1)StackVoltageModelAmphlett,J.C.,Baument,R.M.Performancemodeli
2、ngoftheBallardMarkIVsolidpolymerelectrolytefuelcell(2-2)StackVoltageModelActivationovervoltages:Lee,J.H.,Lalk,T.R.,andAppleby,A.J.1998TherelationshipbetweentheactivationovervoltageandthecurrentdensityisdescribedbytheTafelequation,whichisapproximatedby(2-3)Thevaluesofand
3、theirdependencyonoxygenpartialpressureandtemperaturecanbedeterminedfromnonlinearregressionofexperimentaldata.StackVoltageModelOhmicovervoltage(2-4)MannRF,AmphlettJG,HooperMAI,JensenHM,PeppleyBA,RobergePR.2006JPOWERSOURCES(2-5)Whererepresentsthemembranewatercontent.Itsva
4、luevariesbetween0and14,whichcorrespondtorelativehumidity(RH)of0%and100%,respectively.StackVoltageModelConcentrationovervoltageGuzzella,L.,1999,ControlOrientedModellingofFuel-CellBasedVehicles.(2-6)Whereareconstantsthatdependontemperatureandreactantpartialpressureandcanb
5、edeterminedempirically.StackVoltageModelNonlinearregressionofexperimentaldataStackVoltageModelStackVoltageSimulinkModelStackVoltageModelSomedataofSimulink1.SystemparametersoftheBallard5kWPEMFCStackVoltageModelOperationconditionoftheBallard5kWPEMFCStackVoltageModel5.1911
6、1.23801.16130.76270.03030.14620.387643.706329.567626.482023.516520.115217.190713.7512StackVoltageModelStackVoltageModelStackVoltageModelStackVoltageModel0501001502002503005043.712027.531823.937620.320616.096512.51827.91385543.711427.902524.402420.922716.858513.41279.029
7、76043.710628.264624.848821.489917.583414.295610.12956543.709728.618825.278822.025918.263915.069011.04927043.708628.966025.694022.542818.908915.818211.95947543.707529.306926.096023.044219.520416.523112.82998043.706329.642026.485823.515520.113017.182913.6307CathodeFlowMod
8、elCathodeFlowModelThismodelcapturesthecathodeairflowbehavior,andisdevelopedusingthemassconservationprinciplean