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《異步電機無速度傳感器矢量控制的研究》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、Y1404744分類號：UDC：密級：學(xué)校代號：10150學(xué)號：20052238峽建交取摯碩士學(xué)位論文異步電機無速度傳感器矢量控制的研究TheResearchonVectorControlofInductionMotor學(xué)生姓名：導(dǎo)師及職稱：學(xué)科門類：專業(yè)名稱：研究方向：申請學(xué)位級別：論文答辯日期：學(xué)位授予單位：楊承光劉文生教授工學(xué)交通信息工程及控制電力傳動及控制碩士2008年1月4日大連交通大學(xué)大連交通大學(xué)工學(xué)碩士學(xué)位論文AbstractThemathematicalmodelofACmotorishigh—order，strongcoupling，multi-variablen
2、onlinearsystems，themosteffectivecontrolofitiSthevectorcontrolfirstraisedin1970s．Sincethevectorcontrolproposed，ithassignificantlyimprovedthedynamicperformanceofACdrivesystem，whichissuretobeaqualitativeleapofACdrivetechnology．InmodemACdrivesystem，inordertoachievehighprecisionclosed-loopspeedcont
3、rol，generalmotorsusesensorssuchasphotoelectricencodertomeasuretherotorspeed．However,theinstallationofcodingdevicebringsshortcomingsasthefollowing：thecostofthesystemgreatlyincreased；reducethesimpleandsolidcharacteristicsofasynchronousmotor；increasethemomentofinertiaofthesystem．Moreover．onsomeoc
4、casionsit’Simpossibletoinstallspeedsensors．Witllspeedsensorlessvectorcontrol，wejustneedtomeasurethetipvoltageandcurrent，thenusethemtospeculaterotorfluxandspeed，toachievethevectorcontrolofACmotor,whileeliminatingthecostandreliabilityproblemscausedbysensor，ithasbecomearesearchfocusofACdrivetechn
5、ology．ArtificialneuralnetworkiScomposedofinterconnectedartificialneuralcell．whichhasthecapacityofself-learning，adaptive，parallelprocessingofinformation,SOithasbeenwidelyusedinmanyfields，suchaspattemrecognition，automationandsignalprocessing，andSOon．Fromtheresearchresultsalreadymade，wecanseethef
6、utureofartificialneuralnetworkasenergetic．Buttherearestillsomeproblems，suchastheintelligencelevelisnotquitehigh，sometheoreticalissuesaboutthenetworkanalysisandsynthesis(stability，convergence)havenotbeensatisfactorilyresolvedyet．However，aspeople’Sunderstandingabouttheinformationprocessingmechan
7、ismofbraingoesdeeper,andtheimprovementofnetworkintelligence，theartificialneuralnetworkissuretoplaykeyrolesinmorefields．Thispaperwillestablishthevectorcontrolmodeloftractionmotor謝thsensor，dosomesimulationresearchworkonit．Basedonthecompar
