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:TM351TM36+1:A:100126848(2007)1120039204(,710077):,,;y=1,,:;;;;Fractional2slotWindingandPMBrushlessMotorMOHui2cheng(XipanMicromotorResearchInstitute,Xipan710077,China)ABSTRACT:Accordingtotheconceptsoffractional2slotwinding,thebasiccharacteristicsandsymme2tryConditionisgiven.Applicationsoffractional2slotwindinginPMbrushlessmotorandPMACservomotorhavebeenpresented.Thefractional2slotwindingofy=1widelyusedinmiddleandsmallPMbrushlessmotorisanalyzed,andslotconcertandwindingdesigncalculateparameterisgiven.Somelawsofslotharmonicelectromotiveforceandreduciugcoggingtorqueoffractional2slotwindingispro2posed.KEYWORDS:Fractional2slotwinding;BrushlessDCmotor;Harmonicelectromotiveforce;Coggingtorque;PMACservomotor:20072102121,q,(,q),q,;,[122],,[3],,,(1),(2),,(3)y=1,,,(4),,,(5),,93,,(kW),,,2,q:q=Z2pm=b+cd=Nd(1),m;p;ZN/d,,;c/d,b,;60120,,,q,y=1,p,p,,p,,,,tZp,Z=tZ,p=tp,Zpp,,:q=Np=pd(2)m,,q=Np=p/dm:Zm=Zmt=(3):amax=2p=2pd(4),aamax/aZ/mZ/m,q=N/d,:dm2pda=(5)3y=1,Zpt,t,,,y=1,,;q1,,,Z,Z/m,;Z,Z/m,,,:1=2pZ,,1180,2pZp,2p,1180:aZ,:Z=2p2i(6)bZ,Z=2p(2i-1)(7),i=1,2,3,,i,i=1,,i23,1y=1i=1,i=2,0420074011(167)i=3;,,11801y=1Z2p36912151821242730333624681012141618202224262830323436y=1,q=N/d1,q=Np=p/d,:1=p2Z=p22pmq=mq=mN(8),:Kq1=sinq12qsin1Z=sin2mNsin2mN(9)v=3,5,7,,:Kqv=sinv2mNsinv2mN(10),y=1,:Ky1=sin190Kyv=sinv190(11)y=122p,Z,q,1,Kq1,Ky1,Kw1,max2y=1Z2pq1Kq1Ky1Kw1max321/212010186601866141/4240101866018661641/212010186601866281/4240101866018662983/81600196001985019361103/102000196001985019361121/42401018660186631281/2120101866018664102/51500196601966019332142/7210019660196601933215145/141680195701995019521165/14192019570199501952118143/71400196001940019022163/81600196001985019462203/102000196001985019462223/11220019600194001902221207/201710195601997019531227/22189019560199701953124204/101500195801966019252224/111650195801991019502264/131950195801991019502282/7210019660196601933427243/81600196001985019463269/26173130195501998019531289/28186170195501998019531303/10200019600198501946330265/131560195701978019362285/141680195701995019522325/161920195701995019522345/1720401957019780193624,,,[4],,142,,q=N/dN1,(10),,,N=1,,,,N=1,,,2mqk1(k=1,2,3,,),,,,,,,,,,2mqk1,2mqk1,,d/m,,2mqk1,,k=d2mqk1,k=d2mqk1,,,,qd,,,,,:=1d(12)1/dp,:Kst1=sin12d12d(13)y=13,,,,d5,,3y=1Z2pq1/Ks+1321/212060600195541/4240603001955641/212060300195581/4240601501955961/212060200195583/8160--103/10200--121/42406010019551281/2120601501955102/5150--142/7210--161/4240607150195515101/212060601955145/14168--165/16192--,(coggingtorgue),,,,89,2p=8Z=9q=3/8,d=8,8,k=17,Z2p,89,Z2ps=72,:kz=s/Z=72/9=8(14)2p=8Z=12,s=24,kz=s/Z=24/12=2,3,5,y=1,,,,,(81)2420074011(167)Delaunay,,Matlab,,,,[1].[D].,,2005.[2],.Matlab[J].,2005,(4):16218.[3],,.MatlabC/C++[J].,2001(2):8210.[4],.MatlabVisualC++[J].,2003,13(9):81285.[5],,.matlabvisualc++[J].,2003,(1):59261.[6],,.[J].,2000,27(6):124.[7],,.[J].,2002,24(3):1962199.[8],,,.Delaunay[J].,1999,(1):51255.[9],,,.[J].,2003,15(1):1214.[10],.matlab[J].,2004:1962198.[11],,,.Matlab[M].:,2001.[12].Matlab[M].:,2004.[13],.Matlab[J].,2004,32(6):24227.[14],.PDE[J].,2003,(4):29232.[15].MatlabM[M].:,2003.[16].Matlab7[M].:,2005,(4).[17],,.Matlab710[M].:,2005.:,,,,(1954-),,,,CAD(42)y=1,,,,,[1].[J].,2006,(6).[2].[J].,2007,40(3):124.[3].[M]..,1985.[4]HangSang2moon,EomJae2boo,HwangGeun2bae,etal.Cog2gingTorgueCanelAloustilNoiseReductioninPermanentMaguetMotorsbyTeethPairing[J].IEEETrans.OnMagnetics2000,36(5):314423146.:(1962-),,,,,,,18Matlab/pdetool