基于擴展卡爾曼濾波的雙饋風(fēng)力發(fā)電機無速度傳感器矢量控制研究

1、重慶大學(xué)碩士學(xué)位論文基于擴展卡爾曼濾波的雙饋風(fēng)力發(fā)電機無速度傳感器矢量控制研究姓名：馮世成申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：段其昌20090531重慶大學(xué)碩士學(xué)位論文英文摘要AbstractDuetodoublyfedwindturbinestructuralproblem，itsparametersofrotorsidearevolatileandunpredictableIthasgreatimpactonspee

2、dadjustperformancebecauseoftheintroductionofrotorparametersindoubly—fedwindturbinerotorfluxorientedvectorcontrol，andthesystem’SrobustnessisnotgoodThearticleadoptsstatorfluxorientedvectorcontrolstrategyindoubly—fedwindtur

3、binesystemStatorfluxobservingmodelofthestrategyavoidstheintroductionoftherotorparametersTheonlyvariableparameterthemodeladoptsisstatorresistancewhichCallbeeasilymeasuredonline，anditCallguaranteetherobustnessofthestatorfl

4、uxobservingmodelintheorySoitCanalsoguaranteetherobustnessofthecontrolsystemofthedoubly—fedwindpowergenerationsystemForconventionalsensorlessvectorcontrolperformpoorinlow—speedstageUnderthepremiseofmaintainingthesystemata

5、hi曲dynamicperformanceandkeepingagoodrobustness，thearticlesupposeddoublyfedwindturbinesensorlessvectorcontrolstrategybasedonEKF(extendedkalmanfilteOwhichusingEKFtocalculatetherotorrotatingspeedFirst，thearticleanalyzestheb

6、asiccontrolstrategiesofinductionmotorandthebasiccontroltheoriesofthewindpowergeneration；setsupthedoublyfedwindturbine’smathematicmodelunderthreephasestaticcoordinatesystemafteranalyzesitselectricalcharacteristicsTheartic

7、lealsosetsupwindturbine’SmathematicmodelunderbothtwophasestaticcoordinatesystemandtwophaserotatingcoordinatesystemaccordingtovectorcontrolcoordinatetransformingThearticlestillsetsupdoublyfedwindturbine’Sdynamicequivalent

8、circuitcorresponding、析thitsstateequationSecond，thearticleanalyzesthebasicprinciplesofvectorcontr01Andthearticlemakesaqualitativeanalysistothedoublyfedwindturbine’Srotorparameters’transformationaffectonrotorflux—orientedv

9、ectorcontrolsystemperformanceThearticlemakesresearchonfluxobservingmethodunderstatorfluxorientedItcontainsUImethodwhichaccordingtostatorvoltageandstatorcurrent，I一國methodwhichaccordingtostatorcurrentandrotorrotatingspeed，

10、U彩methodwhichaccordingtostatorvoltageandrotorrotatingspeedAndthearticlemakesaquantitativeanalysistothedoubly—fedwindturbine’Sstatorparameters’transformationaffectonstatorflux—orientedvectorcontrolsystemperformanceandgive