[228] | 1 | %close all |
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| 2 | itload('../../mpf_u_delta.it') |
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| 3 | figure(1); |
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| 4 | for i =1:4 |
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| 5 | subplot(4,1,i) |
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| 6 | hold off |
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| 7 | plot(xth(:,i)') |
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| 8 | end |
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| 9 | |
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| 10 | figure(2) |
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| 11 | for i=1:4 |
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| 12 | subplot(4,1,i) |
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| 13 | hold off |
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| 14 | plot(xth(:,i)') |
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| 15 | hold on; |
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| 16 | plot(xthE(:,i)','r') |
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[230] | 17 | plot(xthM(:,i+3)','g') |
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[228] | 18 | % plot(xthV(i,:)','m'); |
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| 19 | grid on |
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| 20 | end |
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| 21 | |
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[230] | 22 | figure(7); plot(abs(xthM(:,3))); |
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[228] | 23 | |
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| 24 | figure(3) |
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| 25 | tm=[1:9000]*125e-6; |
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| 26 | subplot(2,1,1) |
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| 27 | hold off |
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| 28 | plot(tm,xthM(:,1),':') |
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| 29 | hold on |
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| 30 | plot(tm,xthM(:,2),'-') |
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| 31 | set(gca,'XLim',[0,1.2]); |
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| 32 | set(gca,'YLim',[-5,5]); |
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| 33 | set(gca,'XTick',[]); |
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| 34 | ylabel(['Estimated \Delta u [V]']); |
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| 35 | legend('\Delta u_{\alpha s}', '\Delta u_{\beta s}') |
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| 36 | |
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| 37 | subplot(2,1,2) |
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| 38 | hold off |
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| 39 | plot(tm,-Dt(:,3)+Dt(:,5),':') |
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| 40 | hold on |
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| 41 | plot(tm,-Dt(:,4)+Dt(:,6),'-') |
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| 42 | set(gca,'XLim',[0,1.2]); |
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| 43 | set(gca,'YLim',[-5,5]); |
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| 44 | legend('\Delta u_{\alpha s}', '\Delta u_{\beta s}') |
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| 45 | ylabel(['Simulated \Delta u [V]']); |
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| 46 | xlabel(['time [s]']); |
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| 47 | % plot(Qtr(:,i)','--') |
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| 48 | |
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| 49 | |
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| 50 | figure(4) |
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| 51 | subplot(2,1,1) |
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| 52 | hold off |
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| 53 | di =xthE(:,1+2)'-xth(:,1+2)'; |
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| 54 | plot(tm,di,'--') |
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| 55 | MSE_E=di*di'/9000 |
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| 56 | |
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| 57 | hold on; |
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[230] | 58 | di = xthM(:,3+3)'-xth(:,1+2)'; |
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[228] | 59 | plot(tm,di,'-') |
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| 60 | MSE_M=di*di'/9000 |
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| 61 | plot(tm, zeros(1,9000),':') |
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| 62 | set(gca,'XLim',[0,1.2]); |
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| 63 | title ('Estimate deviation') |
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| 64 | ylabel('Rotor speed \omega') |
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| 65 | legend('EKF', 'EKF with estimated voltage drops') |
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| 66 | |
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| 67 | subplot(2,1,2) |
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| 68 | hold off |
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| 69 | di = xthE(:,2+2)'-xth(:,2+2)'; |
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| 70 | i2=find(di>1.5*pi); |
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| 71 | di(i2)=di(i2)-2*pi; |
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| 72 | i2=find(di<-1.5*pi); |
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| 73 | di(i2)=di(i2)+2*pi; |
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| 74 | plot(tm,di,'--') |
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| 75 | MSE_E=di*di'/9000 |
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| 76 | |
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| 77 | hold on; |
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| 78 | di =xthMTh' - xth(:,2+2)'; |
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| 79 | i2=find(di>1.5*pi); |
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| 80 | di(i2)=di(i2)-2*pi; |
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| 81 | i2=find(di<-1.5*pi); |
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| 82 | di(i2)=di(i2)+2*pi; |
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| 83 | plot(tm,di,'-') |
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| 84 | MSE_M=di*di'/9000 |
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| 85 | plot(tm,zeros(size(tm)),':') |
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| 86 | title ('Estimate deviation') |
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| 87 | ylabel('Rotor position \vartheta') |
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| 88 | set(gca,'XLim',[0,1.2]); |
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| 89 | %set(gca,'YLim',[-0.5 0.5]) |
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| 90 | legend('EKF', 'EKF with estimated voltage drops') |
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| 91 | |
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| 92 | % figure(3) |
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| 93 | % ndat = size(ll,2); |
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| 94 | % hold off |
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| 95 | % plot(llgrid,ll(:,floor(ndat/3)),':'); |
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| 96 | % hold on |
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| 97 | % plot(llgrid,ll(:,floor(2*ndat/3)),'--'); |
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| 98 | % plot(llgrid,ll(:,ndat)); |
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