1、華中科技大學碩士學位論文脈沖控制系統(tǒng)應用在腫瘤治療中的研究姓名：黃聞天申請學位級別：碩士專業(yè)：系統(tǒng)工程指導教師：劉新芝20061107IIAbstractInrecentyearssciencetechnologychangerapidlyinfmationdisciplinessuchascontrolcomputersystemengineeringdevelopdramatically.Impulsivecontrolasanim

2、ptantpartofsystemcontroltheysystemengineeringattractsmemeinterestsofscientistswhostudycontrolsystemengineering.Manyimpulsivephenomenaareinnaturalsciencesciencesocialsciencesuchasphysicschemistrybiologyeconomicsociologyme

3、attentionfocusonimpulsivesystemimpulsivedifferentialequationlotsofexcellentbookspaperscomeout.Nowadaysimpulsivecontrolappliestoalotofrealma.Inthisthesisimpulsivecontrolisapplytotherapyoftum.Atfirstthestabilityisstudiedfa

4、classofsystemswithimpulseeffects.WeintroduceofimpulsivesysteminbriefbyemployingLyapunovfunctionRiccatiinequalityweanalyzethesufficientconditionsofcommonimpulsivesystems、linearimpulsivesystemsnonlinearimpulsivesystemsintr

5、oducethedefinitionstheiesofexistingstability.Impulsivecontrolisapplytotherapyofsingletum.Supposedthebodyoftumsufferershaveonlysingletumcellswecanestablishthetumimpulsivecontrolsystembyusingthesingletummodeldevelopthesuff

6、icientconditionsofthissystem’sstability.AsimulationexampleispresentedtodemonstratetheeffectivenessoftheproposedmethodbyMatlab.Becauseofthecomplexityofthetumtumsystemnotonlycontainsthetumcellsalsocontainsimmunecells.Thetu

7、msystemofimmunitycellisstudied.Byemployingexistingstabilitywediscussthistumsystemgetthesufficientconditionsoftumsystem’sstabilitynumericalsimulationisgiven.Ageneralmodelfontogeicgrowthisstudied.Fromthestabilityoflinearim

8、pulsivesystemswecangetthestabilityofageneralmodefontogeicgrowth.Finallyasummaryhasbeendonefallresearchwkinthethesis.Theresearchwkisfurtherstudyispresented.Keywds:ImpulsivesystemStabilityAnalysisImpulsiveControlTumTherapy