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2(153)20094MECHANICALENGINEERING&AUTOMATIONNo12Apr1:167226413(2009)02201982031,1,2(1.,030024;2.,102249):,(PMLSM),,:;;;;:TM341:A:2008206211;:2008212201:(19792),,,0(PMLSM),[1],,,,,,,,;,,,,1,,[2,3],,,F,FD,:F=JsFD=JsJDDHD(1):Js;JD;D;HD,:F=HhmR5D=5m(2):H;hm;5D;R;5m:JsJDDHD=HhmRBDSD=RL0HDSD=BSm(3):B;BD;SD;Sm;L0(3):RL0JsJDDSDH2D=BHhmSm(4):VD=DSDVm=Smhm(5):VD;Vm:Vm=DL0JsJDVDH2DBH(6)(6),BH,,2,,;,;,[25]211,,,,,,1,,,,,23,,,,,,,1;2;3;4;511;2;3;4;5;621;2;3;4;5;6;73123TRTs,:TR=Ts=2Sf(7):S;f(7),fS,,,4,,,,,2:zR-zs=p(8):zR;zs;p,,:TR=TsJR(9):JR,JR=zRö(zR-zs):TR=SRf(10):SR1;2;3;4;54212,,,:,,::,5,,;:,,61;2;3;4;5;65,,,,,,,99120092,:,,,,1;2;3;4;5;663,,,,,,,,,:[1].[M].:,2000.[2].[M].:,2007.[3].[M].:,1997.[4],,.[J].,2008(1):18220.[5],.[J].,2005(10):1272130.DesignandAnalysisontheSecondaryPolarStructureofPermanentMagnetLinearSynchronousMotorLIUChong1,LIUYing-lin1,LILi-min2(1.CollegeofMechanicalEngineering,TaiyuanUniversityofTechnology,Taiyuan030024,China;2.CSRTEGHeavyIndustryMachineryCo.Ltd.,Beijing102249,China)Abstract:Basedonrelevanttheoriesofpermanentmagnetrotarysynchronousmotorandlinearsynchronousmotor,thecalculationmethodsofpermanentmagnetvolumeareintroduced,andthemajorityofworkisonthedesignofvarioussecondarypolarstructuresandtheanalysisoftheircharacteristics,merits,shortcomingsandapplicationconditions.Keywords:PMLSM;permanentmagnetvolume;secondarypolarstructure;independentexcitation;hybridexcitation(197),,(3),,,,,,,,,(4),,,5,,,,,,,:[1].[J].,2000(2):12213.[2],.[J].,2004(4):16218.[3].[J].,2002(6):527.[4],.[J].,2007(3):21225.[5],,.[J].,2006(10):1692171.StudyonElectricWheelDrivingTechnologyTANGShuang-qing,WANGJiao-ju,ZENGHu-biao(CollegeofMechanical&MaterialEngineering,ThreeGorgesUniversity,Yichang443002,China)Abstract:Afterrecommendingthehistoryoftheelectricwheeltechnology,thetypesandtraitsofelectricwheel,andtheprosandconsofelectricwheeldrivingtechnology,thispaperpredictsthedevelopmentaltrendsofelectricwheel.Keywords:electricwheel;electricvehicle;research00220092