[349] | 1 | function pwm(compute) |
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| 2 | if nargin<1, |
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| 3 | compute=1; |
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| 4 | end |
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| 5 | |
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| 6 | if compute |
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| 7 | M=pmsm_estim_mex('pwm_mx.cfg'); |
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| 8 | save pwm M |
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| 9 | else |
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| 10 | load pwm |
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| 11 | end |
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| 12 | |
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| 13 | time =0.000125*[0:size(M.xia,1)-1]; |
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| 14 | |
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| 15 | %%%%%%%%%%%%%% U |
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| 16 | figure(1); |
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| 17 | detail=14000:20000; |
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| 18 | % ua |
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| 19 | subplot(2,2,1); |
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| 20 | plot(time(detail),M.oua(detail)-M.tua(detail)); |
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| 21 | title('Difference between simulated and non-compensated observed u_{s,\alpha} (detail)') |
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| 22 | |
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| 23 | subplot(2,2,2); |
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| 24 | hist(M.oua-M.tua,30); |
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| 25 | title('Histogram of difference on the full data record of 8s') |
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| 26 | |
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| 27 | %ub |
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| 28 | subplot(2,2,3); |
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[382] | 29 | plot(time(detail),M.modelua(detail)-M.tua(detail)); |
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| 30 | title('Difference between simulated and compensated observed u_{s,\alpha} (detail)') |
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[349] | 31 | |
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| 32 | subplot(2,2,4); |
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[382] | 33 | hist(M.modelua-M.tua,30); |
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[349] | 34 | title('Histogram of difference on the full data record of 8s') |
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| 35 | |
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| 36 | dt=0.000125; |
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| 37 | Ls=0.003465; |
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| 38 | |
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| 39 | bnds = [max(abs(M.modelua-M.tua)), max(abs(M.modelub-M.tub)) 0 0]; |
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[352] | 40 | Qpwm = (dt/Ls)^2*[1 1 0 0]%(2*bnds).^2/12 |
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[349] | 41 | |
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[382] | 42 | figure(3); |
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| 43 | plot(M.xom); |
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| 44 | |
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[349] | 45 | %%%%%%%%%%%%%%% Integration |
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| 46 | |
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| 47 | figure(2) |
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| 48 | subplot(4,2,1); plot(time,M.erria);xlabel('time [s]'); |
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| 49 | title('Integration error on state variables') |
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| 50 | ylabel('Error on i_{s,\alpha}') |
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| 51 | subplot(4,2,2); hist(M.erria,30); |
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| 52 | title('Histogram of errors on state variables') |
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| 53 | |
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| 54 | subplot(4,2,3); plot(time,M.errib);xlabel('time [s]'); |
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| 55 | ylabel('Error on i_{s,\beta}') |
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| 56 | subplot(4,2,4); hist(M.errib,30); |
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| 57 | %title('Histogram of error on i_{s,\beta}') |
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| 58 | |
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| 59 | subplot(4,2,5); plot(time,M.errom);xlabel('time [s]'); |
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| 60 | ylabel('Error on \omega_{me}') |
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| 61 | subplot(4,2,6); hist(M.errom,30); |
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| 62 | %title('Histogram of error on \omega_{me}') |
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| 63 | |
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| 64 | subplot(4,2,7); plot(time,M.errth); xlabel('time [s]'); |
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| 65 | ylabel('Error on \vartheta_{me}') |
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| 66 | subplot(4,2,8); hist(M.errth,30); |
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| 67 | %title('Histogram of error on \vartheta_{me}') |
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| 68 | |
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| 69 | Qint=[var(M.erria), var(M.errib), var(M.errom), var(M.errth)] |
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| 70 | |
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| 71 | bnds=[max(abs(M.erria)), max(abs(M.errib)), max(abs(M.errom)), max(abs(M.errth))] |
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| 72 | Qint = [(2*bnds).^2/12] |
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| 73 | |
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| 74 | %%%%%%%%%%%%%%%% Mz prop |
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| 75 | Fmag= 0.1989; |
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| 76 | p = 4.0; |
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| 77 | J = 0.04; |
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| 78 | |
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| 79 | Tl=10; |
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| 80 | dom = p/J*Tl*dt |
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| 81 | Qrat=(2*[Fmag/Ls*dt,Fmag/Ls*dt, 1, dt]).^2/12 |
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| 82 | |
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| 83 | Qtot=Qpwm+Qint |
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| 84 | Qtot+Qrat |
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| 85 | |
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| 86 | %%%%%%%%%%%%%%%% R |
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| 87 | R=(2*0.085)^2/12*[1 1] |
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