1 | /*! |
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2 | \file |
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3 | \brief DataSource for experiments with realistic simulator of the PMSM model |
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4 | \author Vaclav Smidl. |
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5 | |
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6 | ----------------------------------- |
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7 | BDM++ - C++ library for Bayesian Decision Making under Uncertainty |
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8 | |
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9 | Using IT++ for numerical operations |
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10 | ----------------------------------- |
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11 | */ |
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12 | |
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13 | #ifndef PMSM_DS |
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14 | #define PMSM_DS |
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15 | |
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16 | #include <base/loggers.h> |
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17 | #include <estim/kalman.h> |
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18 | #include "simulator_zdenek/simulator.h" |
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19 | #include "pmsm.h" |
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20 | |
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21 | using namespace bdm; |
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22 | |
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23 | //! Simulator of PMSM machine with predefined profile on omega |
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24 | class pmsmDS : public DS |
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25 | { |
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26 | LOG_LEVEL(pmsmDS,logvoltage); |
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27 | |
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28 | protected: |
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29 | //! indices of logged variables |
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30 | int L_x, L_ou, L_oy, L_iu, L_optu; |
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31 | //! Setpoints of omega in timespans given by dt_prof |
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32 | vec profileWw; |
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33 | //! Setpoints of Mz in timespans given by dt_prof |
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34 | vec profileMz; |
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35 | //! time-step for profiles |
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36 | double dt_prof; |
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37 | //! Number of miliseconds per discrete time step |
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38 | int Dt; |
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39 | public: |
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40 | double x[9]; |
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41 | double KalmanObs[6]; |
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42 | //! Constructor with fixed sampling period |
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43 | pmsmDS () : DS() |
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44 | { |
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45 | Dt=125; |
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46 | Drv=RV ( "{o_ua o_ub o_ia o_ib t_ua t_ub o_om o_th Mz }" ); |
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47 | dtsize = Drv._dsize(); |
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48 | pmsmsim_fill_xy(x,KalmanObs); |
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49 | } |
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50 | void set_parameters ( double Rs0, double Ls0, double Fmag0, double Bf0, double p0, double kp0, double J0, double Uc0, double DT0, double dt0 ) |
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51 | { |
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52 | pmsmsim_set_parameters ( Rs0, Ls0, Fmag0, Bf0, p0, kp0, J0, Uc0, DT0, dt0 ); |
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53 | } |
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54 | |
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55 | void getdata ( vec &dt ) const |
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56 | { |
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57 | dt.set_subvector(0,vec ( KalmanObs,6 )); |
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58 | // add measurement noise |
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59 | dt(2) += (0.02*randun()-0.01); |
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60 | dt(3) += (0.02*randun()-0.01); |
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61 | |
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62 | // true values |
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63 | dt(6)=x[2]; |
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64 | dt(7)=x[3]; |
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65 | dt(8)=x[8]; |
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66 | } |
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67 | void write ( vec &ut ) {} |
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68 | |
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69 | void step() |
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70 | { |
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71 | pmsmsim_fill_xy(x,KalmanObs); |
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72 | static int ind=0; |
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73 | static double dW; // increase of W |
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74 | static double Ww; // W |
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75 | static double Mz; // W |
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76 | double t; |
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77 | t=pmsmsim_get_t(); |
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78 | if ( t>=dt_prof*ind ) |
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79 | { |
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80 | ind++; |
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81 | // check omega profile and set dW |
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82 | if ( ind <2 && profileWw.length() ==1 ) |
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83 | { |
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84 | Ww=profileWw ( 0 ); |
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85 | dW=0.0; |
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86 | } |
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87 | if ( ind<profileWw.length() ) |
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88 | { |
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89 | dW = profileWw ( ind )-profileWw ( ind-1 ); |
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90 | dW *=125e-6/dt_prof; |
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91 | } |
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92 | else |
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93 | { |
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94 | dW = 0; |
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95 | } |
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96 | // Check Mz profile and set Mz |
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97 | if ( ind<profileMz.length() ) |
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98 | { |
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99 | //sudden increase |
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100 | Mz = profileMz(ind); |
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101 | } |
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102 | else |
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103 | { |
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104 | Mz = 0; |
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105 | } |
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106 | } |
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107 | Ww += dW; |
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108 | //Simulate Dt seconds! |
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109 | for ( int i=0; i<Dt; i++ ) |
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110 | { |
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111 | pmsmsim_step ( Ww , Mz); |
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112 | } |
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113 | // for ( int i=0;i<Dt;i++ ) { pmsmsim_noreg_step ( Ww , Mz);} |
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114 | |
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115 | //discretization |
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116 | /* double ustep=1.2; |
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117 | KalmanObs [ 0 ] = ustep*itpp::round( KalmanObs [ 0 ]/ ustep) ; |
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118 | KalmanObs [ 1 ] = ustep*itpp::round(KalmanObs [ 1 ]/ ustep);*/ |
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119 | // double istep=0.085; |
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120 | // KalmanObs [ 2 ] = istep*itpp::round( KalmanObs [ 2 ]/ istep) ; |
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121 | // KalmanObs [ 3 ] = istep*itpp::round(KalmanObs [ 3 ]/ istep); |
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122 | |
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123 | }; |
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124 | |
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125 | void log_register ( logger &L , const string &prefix) |
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126 | { |
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127 | DS::log_register ( L, prefix ); |
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128 | |
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129 | // log differences |
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130 | if ( log_level[logvoltage] ) |
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131 | { |
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132 | L.add_vector ( log_level, logvoltage, RV("{ua, ub }"), "model" ); |
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133 | } |
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134 | } |
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135 | |
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136 | void log_write ( logger &L ) |
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137 | { |
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138 | if ( log_level[logvoltage] ) |
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139 | { |
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140 | double sq3=sqrt ( 3.0 ); |
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141 | double ua,ub; |
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142 | double i1=x[0]; |
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143 | double i2=0.5* ( -i1+sq3*x[1] ); |
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144 | double i3=0.5* ( -i1-sq3*x[1] ); |
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145 | double u1=KalmanObs[0]; |
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146 | double u2=0.5* ( -u1+sq3*KalmanObs[1] ); |
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147 | double u3=0.5* ( -u1-sq3*KalmanObs[1] ); |
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148 | |
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149 | double du1=1.4* ( double ( i1>0.3 ) - double ( i1<-0.3 ) ) +0.2*i1; |
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150 | double du2=1.4* ( double ( i2>0.3 ) - double ( i2<-0.3 ) ) +0.2*i2; |
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151 | double du3=1.4* ( double ( i3>0.3 ) - double ( i3<-0.3 ) ) +0.2*i3; |
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152 | ua = ( 2.0* ( u1-du1 )- ( u2-du2 )- ( u3-du3 ) ) /3.0; |
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153 | ub = ( ( u2-du2 )- ( u3-du3 ) ) /sq3; |
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154 | log_level.store( logvoltage , vec_2 ( ua,ub ) ); |
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155 | } |
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156 | |
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157 | } |
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158 | |
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159 | void set_profile ( double dt, const vec &Ww, const vec &Mz ) |
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160 | { |
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161 | dt_prof=dt; |
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162 | profileWw=Ww; |
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163 | profileMz=Mz; |
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164 | } |
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165 | |
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166 | void from_setting( const Setting &root ) |
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167 | { |
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168 | const SettingResolver& params_l(root["params"]); |
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169 | const Setting ¶ms = params_l.result; |
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170 | set_parameters ( params["Rs"], params["Ls"], params["Fmag"], \ |
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171 | params["Bf"], params["p"], params["kp"], \ |
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172 | params["J"], params["Uc"], params["DT"], 1.0e-6 ); |
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173 | |
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174 | // Default values of profiles for omega and Mz |
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175 | vec profW=vec("1.0"); |
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176 | vec profM=vec("0.0"); |
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177 | double tstep=1.0; |
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178 | UI::get( tstep, root, "tstep"); |
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179 | UI::get( profW, root, "profileW" ); |
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180 | UI::get( profM, root, "profileM" ); |
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181 | set_profile (tstep , profW, profM); |
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182 | |
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183 | } |
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184 | |
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185 | // TODO dodelat void to_setting( Setting &root ) const; |
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186 | }; |
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187 | |
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188 | UIREGISTER ( pmsmDS ); |
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189 | |
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190 | //! Simulator of PMSM machine with predefined profile on omega |
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191 | class pmsmDSctrl : public pmsmDS |
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192 | { |
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193 | double Ww; |
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194 | double ua; |
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195 | double ub; |
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196 | public: |
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197 | //! Constructor with fixed sampling period |
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198 | pmsmDSctrl() : pmsmDS() |
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199 | { |
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200 | Drv.add(RV ( "{Ww }" )); |
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201 | Urv=RV ( "{ua ub }" ); |
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202 | dtsize = Drv._dsize(); |
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203 | utsize = Urv._dsize(); |
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204 | } |
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205 | |
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206 | void getdata ( vec &dt ) const |
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207 | { |
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208 | pmsmDS::getdata(dt); |
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209 | dt(9)=Ww; |
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210 | } |
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211 | void write (const vec &ut ) { |
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212 | ua = ut(0); |
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213 | ub = ut(1); |
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214 | } |
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215 | |
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216 | void step() |
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217 | { |
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218 | pmsmsim_fill_xy(x,KalmanObs); |
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219 | double t; |
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220 | |
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221 | static int ind=0; |
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222 | static double dW; // increase of W |
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223 | static double Mz; // W |
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224 | t=pmsmsim_get_t(); |
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225 | if ( t>=dt_prof*ind ) |
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226 | { |
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227 | ind++; |
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228 | // check omega profile and set dW |
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229 | if ( ind <2 && profileWw.length() ==1 ) |
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230 | { |
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231 | Ww=profileWw ( 0 ); |
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232 | dW=0.0; |
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233 | } |
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234 | if ( ind<profileWw.length() ) |
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235 | { |
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236 | dW = profileWw ( ind )-profileWw ( ind-1 ); |
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237 | dW *=125e-6/dt_prof; |
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238 | } |
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239 | else |
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240 | { |
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241 | dW = 0; |
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242 | } |
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243 | // Check Mz profile and set Mz |
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244 | if ( ind<profileMz.length() ) |
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245 | { |
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246 | //sudden increase |
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247 | Mz = profileMz(ind); |
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248 | } |
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249 | else |
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250 | { |
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251 | Mz = 0; |
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252 | } |
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253 | } |
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254 | Ww += dW; |
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255 | //Simulate Dt seconds! |
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256 | for ( int i=0; i<Dt; i++ ) |
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257 | { |
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258 | pmsmsim_noreg_step (ua , ub, Mz); |
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259 | } |
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260 | }; |
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261 | |
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262 | }; |
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263 | |
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264 | UIREGISTER ( pmsmDSctrl ); |
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265 | |
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266 | |
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267 | #ifdef XXX |
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268 | //! This class behaves like BM but it is evaluating EKF |
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269 | class pmsmCRB : public EKFfull |
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270 | { |
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271 | protected: |
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272 | vec interr; |
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273 | vec old_true; |
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274 | vec secder; |
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275 | int L_CRB; |
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276 | int L_err; |
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277 | int L_sec; |
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278 | public: |
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279 | //! constructor |
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280 | pmsmCRB():EKFfull() |
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281 | { |
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282 | old_true=zeros(6); |
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283 | } |
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284 | |
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285 | void bayes(const vec &dt) |
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286 | { |
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287 | static vec umin(2); |
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288 | vec u(2); |
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289 | vec &mu = est._mu(); |
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290 | //assume we know state exactly: |
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291 | vec true_state=0;//TODO vec(x,4); // read from pmsm |
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292 | mu=true_state; |
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293 | |
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294 | //integration error |
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295 | old_true(4)=KalmanObs[4]; |
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296 | old_true(5)=KalmanObs[5];// add U |
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297 | u(0) = KalmanObs[0]; // use the required value for derivatives |
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298 | u(1) = KalmanObs[1]; |
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299 | interr = (true_state - pfxu->eval(old_true)); |
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300 | |
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301 | //second derivative |
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302 | IMpmsm2o* pf = dynamic_cast<IMpmsm2o*>(pfxu.get()); |
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303 | if (pf) |
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304 | { |
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305 | secder=pf->eval2o(u-umin); |
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306 | } |
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307 | |
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308 | umin =u; |
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309 | EKFfull::bayes(dt); |
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310 | old_true.set_subvector(0,true_state); |
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311 | } |
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312 | |
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313 | void from_setting( const Setting &root ) |
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314 | { |
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315 | shared_ptr<diffbifn> IM = UI::build<diffbifn>(root, "IM"); |
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316 | shared_ptr<diffbifn> OM = UI::build<diffbifn>(root, "OM"); |
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317 | |
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318 | //parameters |
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319 | |
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320 | //statistics |
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321 | int dim=IM->dimension(); |
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322 | |
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323 | vec mu0; |
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324 | if(root.exists("mu0")) |
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325 | UI::get( mu0, root, "mu0"); |
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326 | else |
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327 | mu0=zeros(dim); |
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328 | |
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329 | mat P0; |
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330 | if(root.exists( "dP0" )) |
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331 | { |
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332 | vec dP0; |
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333 | UI::get(dP0,root, "dP0"); |
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334 | P0=diag(dP0); |
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335 | } |
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336 | else if (root.exists("P0")) |
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337 | UI::get(P0,root, "P0"); |
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338 | else |
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339 | P0=eye(dim); |
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340 | |
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341 | set_statistics(mu0,P0); |
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342 | |
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343 | vec dQ; |
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344 | UI::get( dQ, root, "dQ"); |
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345 | vec dR; |
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346 | UI::get( dR, root, "dR"); |
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347 | set_parameters(IM, OM, diag(dQ) , diag(dR)); |
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348 | |
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349 | //connect |
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350 | shared_ptr<RV> drv = UI::build<RV>(root, "drv"); |
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351 | set_yrv(*drv); |
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352 | shared_ptr<RV> rv = UI::build<RV>(root, "rv"); |
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353 | set_rv(*rv); |
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354 | } |
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355 | |
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356 | // TODO dodelat void to_setting( Setting &root ) const; |
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357 | }; |
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358 | |
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359 | UIREGISTER ( pmsmCRB ); |
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360 | |
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361 | |
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362 | //! This class behaves like BM but it is evaluating EKF |
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363 | class pmsmCRBMz : public EKFfull |
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364 | { |
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365 | protected: |
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366 | int L_CRB; |
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367 | public: |
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368 | //! constructor |
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369 | pmsmCRBMz():EKFfull() {} |
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370 | |
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371 | void bayes(const vec &dt) |
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372 | { |
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373 | //assume we know state exactly: |
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374 | vec true_state(5); |
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375 | true_state.set_subvector(0,vec(x,4)); // read from pmsm |
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376 | true_state(4)=x[8]; |
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377 | |
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378 | vec &mu = est._mu(); |
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379 | mu = true_state; |
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380 | //hack for ut |
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381 | EKFfull::bayes(dt); |
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382 | } |
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383 | |
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384 | |
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385 | void from_setting( const Setting &root ) |
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386 | { |
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387 | shared_ptr<diffbifn> IM = UI::build<diffbifn>(root,"IM"); |
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388 | shared_ptr<diffbifn> OM = UI::build<diffbifn>(root,"OM"); |
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389 | |
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390 | //statistics |
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391 | int dim=IM->dimension(); |
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392 | vec mu0; |
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393 | if( root.exists( "mu0")) |
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394 | UI::get(mu0, root, "mu0"); |
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395 | else |
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396 | mu0=zeros(dim); |
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397 | |
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398 | mat P0; |
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399 | |
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400 | if(root.exists("dP0")) |
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401 | { |
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402 | vec dP0; |
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403 | UI::get(dP0, root, "dP0"); |
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404 | P0=diag(dP0); |
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405 | } |
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406 | else if(root.exists("P0")) |
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407 | UI::get( P0, root, "P0" ); |
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408 | else |
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409 | P0=eye(dim); |
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410 | |
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411 | set_statistics(mu0,P0); |
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412 | |
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413 | vec dQ; |
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414 | UI::get(dQ, root, "dQ"); |
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415 | vec dR; |
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416 | UI::get(dR, root, "dR"); |
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417 | set_parameters(IM, OM, diag(dQ), diag(dR)); |
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418 | |
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419 | //connect |
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420 | shared_ptr<RV> drv = UI::build<RV>(root, "drv"); |
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421 | set_yrv(*drv); |
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422 | shared_ptr<RV> rv = UI::build<RV>(root, "rv"); |
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423 | set_rv(*rv); |
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424 | } |
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425 | |
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426 | // TODO dodelat void to_setting( Setting &root ) const; |
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427 | }; |
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428 | |
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429 | UIREGISTER ( pmsmCRBMz ); |
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430 | #endif |
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431 | |
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432 | #endif |
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