自动控制元件实验一最小二乘法拟合用Eviews软件.docx

1、自动控制元件实验一最小二乘法拟合用Eviews软件最小二乘法拟合 用Eviews软件永磁式直流测速发电机输出特性（一）空载输出时()Dependent Variable: UMethod: Least SquaresDate: 05/21/10 Time: 10:08Sample: 1 6Included observations: 6CoefficientStd. Errort-StatisticProb.N0.0231141.76E-051310.2920.0000C-0.1352380.022691-5.9599600.0040R-squared0.999998Mean dependen

2、t var26.49000Adjusted R-squared0.999997S.D. dependent var14.49495S.E. of regression0.024736Akaike info criterion-4.299896Sum squared resid0.002448Schwarz criterion-4.369309Log likelihood14.89969Hannan-Quinn criter.-4.577764F-statistic1716866.Durbin-Watson stat3.588539Prob(F-statistic)0.000000（2）Esti

3、mation Command:=LS U N CEstimation Equation:=U = C(1)*N + C(2)Substituted Coefficients:=U = 0.0226054147896*N - 0.0226558031521Dependent Variable: UMethod: Least SquaresDate: 05/21/10 Time: 10:20Sample (adjusted): 1 5Included observations: 5 after adjustmentsCoefficientStd. Errort-StatisticProb.N0.0

4、226050.000102221.02110.0000C-0.0226560.111466-0.2032530.8519R-squared0.999939Mean dependent var22.42000Adjusted R-squared0.999918S.D. dependent var11.36253S.E. of regression0.102815Akaike info criterion-1.422590Sum squared resid0.031713Schwarz criterion-1.578815Log likelihood5.556475Hannan-Quinn cri

5、ter.-1.841882F-statistic48850.31Durbin-Watson stat1.987944Prob(F-statistic)0.000000（三）Estimation Command:=LS N U CEstimation Equation:=N = C(1)*U + C(2)Substituted Coefficients:=N = 46.2324101557*U + 10.4795319332Dependent Variable: NMethod: Least SquaresDate: 05/21/10 Time: 10:24Sample (adjusted):

6、1 5Included observations: 5 after adjustmentsCoefficientStd. Errort-StatisticProb.U46.232410.286848161.17400.0000C10.479536.5256731.6058930.2066R-squared0.999885Mean dependent var968.6000Adjusted R-squared0.999846S.D. dependent var485.0826S.E. of regression6.019019Akaike info criterion6.716900Sum sq

7、uared resid108.6858Schwarz criterion6.560675Log likelihood-14.79225Hannan-Quinn criter.6.297608F-statistic25977.05Durbin-Watson stat2.951509Prob(F-statistic)0.000001（四）Estimation Command:=LS N U CEstimation Equation:=N = C(1)*U + C(2)Substituted Coefficients:=N = 50.0626029638*U - 18.9498912382Depen

8、dent Variable: NMethod: Least SquaresDate: 05/21/10 Time: 10:27Sample (adjusted): 1 5Included observations: 5 after adjustmentsCoefficientStd. Errort-StatisticProb.U50.062600.215491232.31860.0000C-18.949894.229774-4.4801190.0207R-squared0.999944Mean dependent var900.6000Adjusted R-squared0.999926S.D

9、. dependent var387.3717S.E. of regression3.334739Akaike info criterion5.535840Sum squared resid33.36146Schwarz criterion5.379616Log likelihood-11.83960Hannan-Quinn criter.5.116548F-statistic53971.91Durbin-Watson stat2.629182Prob(F-statistic)0.000000=直流力矩电动机机械特性（一）Estimation Command:=LS N1 T1 C Estim

10、ation Equation:=N1 = C(1)*T1 + C(2)Substituted Coefficients:=N1 = -211.415585395*T1 + 960.365419433Dependent Variable: N1Method: Least SquaresDate: 05/21/10 Time: 10:36Sample: 1 7Included observations: 7CoefficientStd. Errort-StatisticProb.T1-211.415615.50883-13.631950.0000C960.365437.5740025.559310.0000R-squared0.973799Mean dependent var530.2857Adjusted R-squared0.968558S.D. dependent var304.4907S.E. of regression