基于ARM的體外反搏控制系統(tǒng)研究.pdf

1、I分類號：密級：學(xué)號：2007G077單位代碼：10407碩士學(xué)位論文論文題目:基于ARM的體外反搏控制系統(tǒng)研究研究方向檢測技術(shù)與自動化裝置專業(yè)名稱控制工程研究生姓名李振凱導(dǎo)師姓名、職稱王祖麟教授2012年4月18日江西贛州IIIAbstractECGsignalofthehumanbodycontainsawealthofinfmationtoreflecttheheartofthephysiologicalstatehasaclos

2、erelationshipwiththepersonshealthstatusaccesstothevastmajityoftheacteristicparametersofECGsignalbydetectingthepulsesignal.Therefethepulsesignalindepthanalysisresearchhasauniquesignificance.Externalcounterpulsation(Extern

3、alCounterpulsation)systemisamicrocontrollertocontrolthemechanicalcirculatysupptsystemcapabletoincreasevariousgansofthebodyofbloodsupplyreducingtheloadontheheartoxygenconsumptionthepromotionofischemictissuesganssidebranch

4、circulationotheraspectshaveasignificanteffect.TheprincipleistheECGsignaldetectionafterdataprocessingwrappedinapatientslimbsbuttocksenclosedairbagcarriedsequentialcompression.Theentireprocesscanimprovetheheartofthediastol

5、icbloodpressureconaryperfusionreducecardiacloadmyocardialoxygenconsumption.Inthisthesistheanalysisofthemedicalprincipleofenhancedexternalcounterpulsationcurrentlyonthemarketexternalcounterpulsationdevicetodoadetailedrese

6、archanewexternalcounterpulsationcontrolsystemdesign.Ofthecontrolsystemcanbedeterminedbythetestfingerreferstopulsegeexhausttimingofexternalcounterpulsationdevicehasasimpleefficientreliable.Atthesametimetheprogramalsousedt

7、olookftheoptimalcontrolalgithmtoECGparametersinrealtimetoadjustimprovetheeffectofcounterpulsationcontroll.Invitroantistrokedevicecontrolmustbeconsistentwiththeacteristicsofthehumanbloodcirculationthekeyistopreciselycontr

8、oltheballooneachgeexhausttiming.ThisrequirestodesignasystemtoaccuratelycalculatetheQTintervalthroughtheQRScomplexparameterfinetuningtodeterminethegeofthetimingoftheexhaust.Indertoensureaccuratemeasurementofthedetectionsi

9、gnalprocessingusinghighspeedARMprocesshighaccuracyADconverteralsowavelettransfmtheytothepulsesignalnoisereductionprocessing.ThroughtheuseoftechnologiessuchasUSBTCPIPhighspeeddataacquisitioncommunicationstelemedicineother