如果您无法下载资料，请参考说明：
1、部分资料下载需要金币，请确保您的账户上有足够的金币
2、已购买过的文档，再次下载不重复扣费
3、资料包下载后请先用软件解压，在使用对应软件打开
中文2630字Simulationofdual-ratesampled-datasystemAbstract:Thesimulationproblemofadual-ratesystemisstudiedbyapplyingdiscreteliftingtechnology,quicksamplingoperatorandquickholdoperator.Themethodcanachievetheresultthatisclosetothesimulationofcontinuous-timesignal.TheconcretesimulationisstepedandprogrammedwitharealexampleunderMATLABenvironment.Keywords:Dual-ratesampled-datasystem;Discreteliftingtechnology;Quicksamplingoperator;QuickholdoperatorIntroductionSamplingcontrolsystemreferstotheobjectcontrollerforthecontinuousanddigitalsystems.Atpresent,mostcontrolsystemsarecontinuouslychargedbytheobjectunderthecontrolofthecomputerrealizationofdiscretesamplingcontrolsystem.Withthecontinuousimprovementofthesystemrequirements,single-ratesampled-datasystemscannotmeettherequirements,somulti-ratesampled-datasystemsinplace.Multi-ratesamplingcontrolsystemworksinpracticewiththeprospectofawiderangeofpractical,thisisbecause:1)Inthecomplexmulti-variablecontrolsystem,requiresthatallphysicalsignalsinthesamesamplingfrequencyisnotrealistic.2)samplingandtomaintainthehigherfrequency,thebettertheperformanceofthesystem,butthefastA/DandD/Aconversionmeansthatthecostis.Sofordifferentsignalbandwidth,youshoulduseadifferentA/DandD/Aconversionrate,inordertoachieveperformanceandthebestcompromisebetweenprice.3)multi-ratecontrollerisgenerallytime-varyingcontroller,ithasasingle-ratecontrollercannotcomparethemerits.Suchasincreasingthesystemgainmargin,consistentwiththestabilityofthesystemtofacilitatetherealizationofdecentralizedcontrol.Arelativelysimplemulti-ratesampled-datacontrolsystemisdual-ratesampled-datasystems,virtualboxasshowninFigure1.Simulationofthesystemisdefinedas:foragiveninputsignalw,simulationofitscontinuousoutputsignalzprocess.Figure1dual-ratesampled-datasystemswthavirtualsamplerandholderLiterature[4]isgivenasingle-ratesamplingofhigh-precisioncontrolsystemsimulation.Insingle-ratesampled-datasystemsexistinonlyasinglesamplingperiod,thusonlytheapplicationofthesimulationprocessofsomeoft
立即下载
