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1、AcademicYear:(2012/2013)Enrolmentnumber:12014664Fullname:SijunWuCourse:BEngHonorsDegreeinElectricalandElectronicEngineeringProjectTitle:Real-TimeComputerLevelControlofaWaterTank1stSupervisor:GuopingLiu2ndSupervisor:DrMikePriceDate:April201397/97Real-TimeComputerLevelControlofaWa
2、terTankStudent:SijunWuID:12014664Date:April2013UniversityofGlamorganDissertationsubmittedinpartialfulfillmentfortheBEnginElectricalandElectronicEngineering.FacultyofAdvancedTechnology97/97DeclarationIunderstandthenatureofplagiarism,andIamawareoftheUniversity’spolicyonthis.Idecla
3、rethatthisdissertationistheresultofmyownindependentinvestigationandthatallsourceshavebeenappropriatelyacknowledgedinthebibliography.Signature:Date:97/97AbstractWiththedevelopmentofthetimes,Controlsystemisplayinganincreasinglyimportantroleinvariousfields.Watertankcontrolsystemisa
4、typicalmodelofcontrolsystem.Controlofwatertankcanbeusedasthebasisofresearchintomorecomplexnonlinearsystem,Itnotonlyhasastrongtheoretical,belongstotheapplicationofbasicresearch,butalsoitwithstrongcomprehensive.Itcontainscontroltheory,intelligentcontrol,fluidmechanics,andotherdisc
5、iplines.People'slifeandindustrialproduction,andmanyotherareasofteninvolveliquidlevelandflowcontrolproblem,forexampleinInhabitantdomesticwatersupply,beverages,foodprocessingandotherindustriestheproductionprocess,weusuallyneedtousethewatertank,itneedtomaintaintheappropriatelevel,n
6、eithertoooverflowcausewaste,alsocannottoolittleandcan'tmeetthedemand.Sotheliquidheightisanimportantparameteroftheindustrialprocesscontrol,especiallyinadynamicstate.Byusingsuitablemethodstodetecttheliquidlevelcancontrolitcanreceivegoodeffect.Inthisfinalprojectdesign,Idutyistodesi
7、gnawatertankliquidlevelcontrolsystem,whichinvolvesthedynamicliquidlevelcontrol,themodelingofthecontrolsystem,PIDparameterssetting.Iwilldiscussusingdifferentcontrolmethodstoachievecontrolrequire,forinstance,Proportionalcontroller,PIcontroller.Iwilldiscussbothdesignprocessesandtes
8、tresultsinthispaper.WhatmoreIwillintroducesomem