電動(dòng)汽車(chē)電驅(qū)動(dòng)系統(tǒng)高性能控制技術(shù)研究.pdf

1、山東大學(xué)碩士學(xué)位論文電動(dòng)汽車(chē)電驅(qū)動(dòng)系統(tǒng)高性能控制技術(shù)研究姓名：呂志強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：電子電子與電力傳動(dòng)指導(dǎo)教師：崔納新20080520山東大學(xué)碩士學(xué)位論文ABSTRACTWiththeadvantagesofnopollutionemissionsandlownoise，electricvehicles(EV)，whichintegrateinlotsofhightech，arecreatingarevolutioninthew

2、orldautoindustryBecauseofthelimitedenergyEVhasahighdemandforenergyconservationAmajorityoftheenergyisconsumedbyelectricdrivesystemofEVthereforetheimprovementofelectricdrivesystem’Sefficiencyhasagreatvaluetoincreasingdrivi

3、ngrangeInductionmotor(IM)withadvantagesofsmallsize，lightweight，lowcost，maintenancefree，iswidelyusedintheEV’SelectricdrivesystemsButintheconventionalvectorcontrolledmethod，thefluxisgenerallysettatedvalue，whichgreatlydecre

4、asestheefficiencyoflMespeciallyinlight—loadconditionThispaperfirstdiscussesthecompositionoftheEV’Selectricdrivesystemandthecontroltechnologiesofelectricdrivesystem，andthenindicatesmaintopicoftheresearchandthearrangemento

5、fchaptersOnthebasisofdetailedanalysisoftheelectricdrivesystem’Slossmodel，akindoflossmodelcontrolstrategyisdeducedandthevarietylawoftheoptimalfluxlinkageisillustratedThen，theon—lineefficiencyoptimizationforIMisdesignedtoi

6、mprovetheefficiencyoflMinlight—loadconditionTheimprovementoftheefficiencyisatthecostofdeteriorationofthedynamicresponseAimedattheproblemabove，afastresponsecontrolstrategyisstudiedbasedonthecurrentdynamicassignmentInspire

7、dbytheideasofdirecttorquecontrol，anewstrategywhichdirectlycomposesthevoltagevectorisproposedComparedwiththecurrentdynamicassignment，thisschemehasexcellentdynamicperformanceshowedbysimulationandexperimentresultsAsquirrel—

8、cageIMisusedtoverifyourmethodTheconventionalrotorfluxorientedvectorcontroltheoryisimplementedTMS320LF2407AproducedbyTIischosentobethemaincontrolunitThecontrolsystemisaccomplished，includingSVPWM，F(xiàn)OC，efficiencyoptimization