一類新型二自由度控制器——PEC及其改進.pdf

1、浙江大學碩士學位論文一類新型二自由度控制器——PEC及其改進姓名：滕偉斌申請學位級別：碩士專業(yè)：儀器儀表及自動化裝置指導教師：杜維2002.2.20浙江大學碩士學位論文AbstractPartitionedErrorControlisproposedbyKennethADebelakandMarkLRutherfordin1999Itisanewtwo—degrees—offreedomcontrolstructurewhichisno

2、velandhasseveraldesirablefeaturesUndertheperfectmodelassumption，thecharacteristicequationsforthesetpointchangeandloaddisturbancearedistinctandincludetheprocessmodelandthecontrollerdesignedtohandleeachdisturbanceThiscontr

3、olstructureallowsforseparatecontrollerstobedesignedtohandlesetpointchangesandloaddisturbancesAnotherdesirablefeatureisthatitallowsforsimpleclosedloopdeterminationoftheprocessmodelThemainworksofthispaperdealwiththeaspecto

4、fthetwodegreesoffreedomcontroltheoryandmodel—basedcontroltheorybecausepartitionederrorcontrol(PEC)isamodelbasedtwodegrees—offreedomcontrollerThenthetwoaspectisalsodepictedparticularlybesidespartitionederrorcontrol(PEC)is

5、analyzedanddiscussedThemainworksaresummedupusfollowing：●ThebasicconceptandthethedevelopmentofthetheoryoftheAutoControlisstaledwitllthefocusonthemodemcontroltheoryandclassiccontroltheory●Therearesomesimplyintroductionsfor

6、basicconceptionsoftwodegreesoffreedomtheory，anddiscussthecharactersandthedesignedmeansofthePIDcontrolleroftwo—degreesoffreedom●ThroughthepresentationanddiscussionfortheModelPredictiveControlandtheIntemalModelControl，wewi

7、llknowmoreforthemodel—basedcontrolsystem●PECisanewtwo—degrees—offreedomcontrollerit’Seffectofcontrolisgoodwithouterrorbetweenpredictivemodelandactualprocess；buttheeffectofPECwillbeworsewiththeerrorincreasing●Thecontrolqu