动态磁滞回线实验的不确定度评定

234Vol.23No.420108PHYSICALEXPERIMENTOFCOLLEGEAug.2010:20100324:10072934(2010)04008304王建中,黄林,王应辉,熊水兵(,430079):,,MATLAB:;;MATLAB:O441.5:A,,,1991JJG102791()!:,,,[1]71993!,1992![2],,,,,,,,,,,,1,,,A,uA;B,uBAB,U:Y=y∀U(),(p)(1)A:,n,:x1,x2,x3##xn:sx=∃ni=1(x-x)2n-1:sx=sxn=∃ni=1(x-x)2n(n-1)n%&,(t),5~30,,t::uA=t∋sxtn∋∃ni=1(x-x)2n-1(1),tt(2)B:B,,,,,,:uB=3(p=0.638);uB=23(p=0.95)(2)(3):UAB:U=uA+uB(3)(4):,,,,y,x1,x2,x3##xny=f(x1,x2,x3##xn),x1,x2,##xn,:Uy=fx12(Ux1)2+fx22(Ux2)2+fx32(Ux3)2+##fxn2(Uxn)2(4):Uxnxn22.1,HsBsHcBr,():Hs=N1LHs,-HsSx2LR1(5)Hc=N1LHc,-HcSx2LR1(6)Bs=CR2LBs,-BsSy2N2S(7)Br=CR2LBr,-BrSy2N2S(8):N1,N2,L,S,LHs,-Hs1,AA((),LBs,-BsAA((),LHc,-HcLBr,-Br12.2()1112345678LHs,-Hs()6.806.906.856.806.856.856.906.856.85LHc,-Hc()2.702.802.752.752.852.802.802.752.78LBs,-Bs()4.804.704.754.754.804.804.704.754.76LBr,-Br()2.902.802.852.902.802.802.852.902.852.3(1)LHs,-HsLHc,-HcLBs,-BsLBr,-BrA84uA(p=0.95)A(1),tt=2.36matlabstd(),2(U_L_Hs_aLHs,-HsAuA,):2A34(2)LHs,-HsLHc,-HcLBs,-BsLBr,-BrBuB(p=0.95),B,=0.1,B(2):uB=0.23)0.115(3)LHs,-HsLHc,-HcLBs,-BsLBr,-BrU(p=0.95)(3),matlabsqrt(),3(U_L_HsLHs,-HsU,):(4)R1R2CSxSyU(p=0.95),B,:SxSyR1R25%,C10%,(2)(R1=25R2=10kC=10uFSx=0.2V/Sy=0.05V/),matlab4(U_R1R1U,),(5)~(8)N1,N2,L,S,,(N1=50N2=50L=60mmS=80mm2)(5)HsHcBsBrU(p=0.95)(4)~(8)UHsHcBsBr,,matlabdiff()subs()mean(),5:56HsHcBsBr(aver_HsHs,U_HsHsU,):Hs=228∀20(A/m);Hc=92.5∀8.6(A/m);Bs=0.99∀0.15(T);Br=0.594∀0.088(T),(Hc)1A/m);(Hc)104∗106A/m)[3];1A/m∗104A/m3,,,(),,(1),Y5%,,Y85(3%)(),Y,,,,,,0.5%,5%(,),,,6()HsHcBsBr(aver_HsHs,U_HsHsU,):Hs=232.8∀8.5(A/m);Hc=94.1∀3.9(A/m);Bs=1.011∀0.070(T);Br=0.601∀0.043(T),,,,,,,,,,matlab,,,:[1].[M].:,1993.[2].[J].,1993,13(1):78.[3].[M].:,2003.TheEvaluationofUncertaintyinDynamicHysteresisLoopExperimentWANGJianzhong,HUANGLin,WANGYinghui,XIONGShuibing(HuazhongNormalUniversity,Wuhan430079)Abstract:Thisarticlefocusesontheresultuncertaintyofdynamichysteresisloopexperiment.Throughabriefanalysis,proposetoimprovetheexperimentaldeviceandimprovethemeasurementprecisionofthemethod.Inthecalculationprocess,usingMATLABtoenablesimplifythecalculationprocesssgreatly.Keywords:dynamichysteresisloop;uncertainty;MATLAB86