纯电动汽车交流异步电机及整车总成控制器的开发技术研究

湖南大学硕士学位论文纯电动汽车交流异步电机及整车总成控制器的开发技术研究姓名：李志强申请学位级别：硕士专业：车辆工程指导教师：钟勇20070420ICANCANTIDSPTMS320LF2407TMS320LF2407DSPIPMC/OS-IIC/OS-IIDSP2407C/OS-II:DSP2407IPMIIAbstractTheEVusestheElectricenergyasthepowerandhastheadvantageofnoemission.TheapplicationofEVwillhaveagoodprospectinthefuture.ThecontrollingtechnologyofdrivingmotoriscoreofEVpowersystem.ItisoneofthenewtechnologiesbyusingdirecttorquecontrollingmethodtocontroltheACmotorinwhichisusedintheEV.ACmotordrivingsystemistakenastheresearchobject.ThedirecttorquecontrollingmethodisappliedintheEVACmotordrivingsystem.TheACmotorcontrollerandEVcontrollerareintegratedintooneinordertoreducethecostandimprovethereliability.ThecharacterofalloftheEVACmotordrivingsystemisanalyzedandthedirecttorquecontrollingmethodiscomparedwithothersaccordingtotheEVrequirements.ThecurrentandfuturedevelopmentofACmotorcontrollingtechnologyandthetheoryconstructionandalgorithmbyusingthespacevoltagevectormethodarediscussed.TheworkingtheoryoftheACmotorareanalyzedandsetupthemodelofACmotorwithcontrollingsystem.ThemodelofACmotordirecttorquecontrollingaccordingtothefoundationofpreviousanalysisarerealized.Introducethecriticalparameterofmagneticlinkagecontrollinganditsrealizationmethod.Themodeltoobservemagneticlinkageandtorqueareusedinordertoobtaintheperfectclosedloopcontrollingeffect.AtlastTheACmotordirecttorquecontrollingmodelaresetupandthesimulationaredoneandtheexpectedresultarereached.Thevehiclemodelissetupaccordingtothevehicleforceformual.Atlastsimiulationoftwomodelsarefinished.TheCANbusintheEVandtheprotocolofCANcommunicationaredesigned.TheAmericanTIcompany’sDSPTMS320LF2407isselectedasthecontroller.Thewholecircuitcanbedividedintotwoparts.OnepartisthecorecircuitwhichusestheTMS320LF2407.TheotheroneusetheIMPtodrivethehighvoltagesection.Thewholecircuitcancompletesamplingthepositionofshiftsamplingthepositionofthepedaloutputcontrollingvariablesandcommunicationpartandsoon.Therecyclingenergystrategyisintroduced.Theimportanceofrecyclingenergyisdiscussedespeciallyinthecitysituation.Itcandecreasetheloseofmechanicalbrakingsystemandusetheenergyagainthroughrecyclingtheenergyinthebrakingprocess.ThecharacteroftherecyclingisanalyzedandtheplanofrecyclingisIIIdesigned.Itincludesthatthemotorbrakingandmechanicalbrakingarerationallyallocated.Atlasttherecyclingsystemisoptimizedbyusingthefuzzycontrollingmethod.TheembedsystemµC/OS-IIisintroduced;thetransplantintheDSP2407isfinished.Afterthepreviousworkisfinished,allthetaskdesignisfinished.Attheend,thesoftwaretestinginthehardwareinloopmethodisfinished.KeyWords:DirectTorqueControlDSP2407IPMFuzzycontrolEmbedSystem1______211CAN1.121[1]6260201064200270002005120302980[2][3][4]863[5]2[6][7]211.2[8][9]21PWM[10]1.2.11.(3-4)2.3.4.[11]1.2.23V/F(DTC)2090PWMV/F:[12]1.2.31.2.3.112704[13]31985Depenbrock1987Takahashi[14]12345[15]1.2.3.2[16]1,MRASmodelrefrenceadaptivesystem236451.2.3.3DSP1.37DSPDSPCANA/DI/OIPMIPMCANCANC/OS-IIC/OS-IIDSP2407C/OS-II82PWM2.1[17]2.1.1βα−βα−[18]1.2.°1203.4..9+=+=+=dtdriudtdriudtdriuCCCBBBAAAψψψ1112.1+=+=+=dtdriudtdriudtdriucccbbbaaaψψψ2222.22.2cbaCBAuuuuuu,,,,,cbaCBAiiiiii,,,,,cbaCBAψψψψψψ,,,,,21,rr.:[19]:(1)(2)=cbaCBAcccbcacCcBcAbcbbbabCbBbAacabaaaCaBaACcCbCaCCCBCABcBbBaBCBBBAAcAbAaACABAAcbaCBAiiiiiiLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLψψψψψψ2.3ccbbaaCCBBAALLLLLL,,,,,.10dtdnJTTrpLeω+=2.4LTJpn.)]120sin()()120sin()(sin)[(°−+++°++++++=θθθ∆bCaBcAaCcBbAcCbBaApeiiiiiiiiiiiiiiiiiiLnT2.5∆Lpnβα−.+=+=βββαααψψsssssssspiRupiRu2.6=++=++00αβαββααψωψψωψrrrrrrrrrpiRpiR2.7+=+=βββαααψψrmsssrmsssiLiLiLiL2.8+=+=βββαααψψsmsrrsmsrriLiLiLiL2.9.)(βααβrsrsmpeiiiiLnT−=2.10.dtdnJTTrpLeω+=2.112.52.8+−−+++=βαβαβαωωωωrrssrrrrmmrrrrrmrmmssmssssiiiipLRLpLLLpLRLpLpLpLRpLpLRuu0000002.12112.62.12βαβαrrssiiiiβα,βαβαψψψψrrssβα,βαβαrrssuuuuβα,rsRRrωpmLpnLTJ2.1.2βα−[20]Park])()()([32)(3432ππJcJbaetXetXtXtX++=2.13+−=+=rrrsssssjdtdiRdtdiRuψωψψ02.14+=+=rrsmrrmsssiLiLiLiLψψ2.15)(23ββααψψωssssesidtdidtdTP+==2.16sω)(βαωψuussjiiLjdtd+=2.172.1812==−=−=ααβββαψωωψψωωψssussssussLidtdLidtd2.182.172.15)(23αββαψψsssseiiT−=2.19rusiii+=2.20−==rsrusiLLi∆ψψψ2.21)(231βααβ∆ψψψψrsrseLT−=2.222.21θψψ∆sin231rseLT=2.23θ2.132.23rsusii,,,ψψ2.232.1132.22.22.22.12.112345678aS00111001bS10001101cS11100001cbaSSS,,()000()111[21]0=++cbaUUU2.24+−−=−+−=−−=ESSSuESSSuESSSucbaacbabcbaa3232322.252.242.252.2142.2011001101100110010000/111auE32−E31−E31E32E31E31−0buE31E31−E32−E31−E31E320cuE31E32E31E31−E32−E31−0aParkαPark)()(][32)(3432tutueueuutujcjbasβαππ+=++=2.262.26βα,β2.3βaβbβcβαabcsu111000110100101001011010sususususu2.3βα,β60)011(sU-)001(sU-)101(sU-)100(sU-)110(sU-)010(sU,152.2[22]2.22θψψ∆sin231rseLT=2.22θ2.4)(βα−αβrψsψθ2.42.22θ8rpedtdnJTTω+=12.27162.3)(tus)(tuψ∫−=dtRtitutsssu))()(()(ψ2.282.28∫=dttutsu)()(ψ2.292.292.5)(tsψSβαabcsu111000110100101001011010sususususuSSSSS1234562.5)(tuψ2.5)011()(=tus2.30∫−=dtRtitutsssu))()(()(ψ2.30S1)011(su[23])(tuψS1S1S2)001(su)(tuψ)001(suS3Rstis)()