基于實時運行數(shù)據(jù)的穩(wěn)態(tài)在線優(yōu)化系統(tǒng)研究.pdf

1、浙江大學(xué)碩士學(xué)位論文基于實時運行數(shù)據(jù)的穩(wěn)態(tài)在線優(yōu)化系統(tǒng)研究姓名：余黎黎申請學(xué)位級別：碩士專業(yè)：模式識別與智能系統(tǒng)指導(dǎo)教師：戴連奎2002.1.1浙江大學(xué)壩I學(xué)位論文AbstractWiththedevelopmentofinformationtechnologyandthedemandforbeRerperformanceofcontrolsystems，someadvancedcontrolstrategiessuchasoillin

2、eoptimizationhavebeenappliedincomplexindustrialprocessestoincreaseyieldwhiledecreasecostInthepasttwentyyears，someinternationalwellknownautomationcompanieshavedevelopedcommercialsoftwarepackagesandappliedsuccessfullyinind

3、ustrialprocessesHowever，thedevelopmentofthecorrespondingcommercialsoftwarepackagesinourcountryisnotcontentForthisreason，optimizationmethodsandkeytechniquesaboutsteadystateon—lineoptimizationarestudiedinthisthesisThemainc

4、ontentsofthisthesisareasfollows：1Firstly，thestatusofsteadystateon—lineoptimizationiscompletelyreviewedSecondlytheproblemstatementandtherelevantkeytechniquesarediscussedAtlast，theindustrialapplicationsofon—lineoptimizatio

5、narepresentedandsomefamoussoftwarepackagesareintroduced2Forfluidizedcatalyticcracking(FCC)unitswithnonlinearity，time—varietyanduncertainty，adatabasedon—linesteadystateoptimizationsystemisdevelopedAnimprovedfeasibledirect

6、ionmethodisproposedtosolvetheoptimizationproblemThemodelofthesystemisupdatedonlinebasedonrealtimeprocessdataSimulationresultstoaFCCmodelshowthattheapplicationofthesystemincreasestheyieldofacertainproductwhilesatisfyingth

7、erequirementofotherproducts3ThefeasibilityproblemofnonlinearoptimizationsystemswithuBkllowndisturbanceisaddressedAcriterionforthiskindofsystemstobefeasibleisobtained，andaneffectivealgorithmforfeasibilityanalysisispropose

8、dUsingthealgorithm，the“soft’’constraintsadjustmentoftheoptimizationsystemwithoutfeasibleregioncanbeinformedBasedonthisanalysisandtheoptimizationalgorithmdiscussedabove，anonlinearsteadystateonlineoptimizationintegratedstr