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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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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31 | |
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32 | subplot(2,2,4); |
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33 | hist(M.modelua-M.tua,30); |
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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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40 | Qpwm = (dt/Ls)^2*[1 1 0 0]%(2*bnds).^2/12 |
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41 | |
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42 | figure(3); |
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43 | plot(M.xom); |
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44 | |
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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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