1 | #ifndef PMSM_CTR_H |
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2 | #define PMSM_CTR_H |
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3 | |
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4 | #include <design/ctrlbase.h> |
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5 | #include <design/lq_ctrl.h> |
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6 | #include "pmsm.h" |
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7 | |
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8 | #include <fstream> |
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9 | |
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10 | /*! \defgroup PMSM |
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11 | @{ |
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12 | */ |
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13 | |
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14 | using namespace bdm; |
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15 | |
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16 | |
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17 | /*! PI Controller*/ |
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18 | class PI_ctrl: public Controller{ |
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19 | public: |
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20 | //!integral state |
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21 | double S; |
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22 | double Pd; |
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23 | double Pi; |
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24 | double minOut; |
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25 | double maxOut; |
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26 | |
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27 | PI_ctrl(double Pd0, double Pi0, double minOut0, double maxOut0): S(0.0), Pd(Pd0), Pi(Pi0),minOut(minOut0),maxOut(maxOut0){} |
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28 | virtual vec ctrlaction ( const vec &cond ) { |
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29 | double tmp; |
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30 | tmp = Pd*cond(0)+S; |
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31 | |
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32 | S += Pi*cond(0); |
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33 | |
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34 | if (tmp>maxOut) tmp=maxOut; |
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35 | if (tmp<minOut) tmp=minOut; |
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36 | return vec_1(tmp); |
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37 | } |
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38 | }; |
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39 | |
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40 | /*! \brief Root class for controllers of PMSM |
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41 | * |
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42 | * It defines the interface for controllers that connect to the pmsmDSctrl. |
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43 | * The adapt() function calls bayes() of an internal BM. Note that it is assumed that the estimator is compatible with PMSM system. |
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44 | * I.e. it must have rv={ia, ib} and rvc={ua,ub}, any other BM will not work. |
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45 | * |
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46 | */ |
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47 | class PMSMCtrl: public Controller{ |
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48 | protected: |
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49 | //! Est where rv and rcv are not used! |
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50 | shared_ptr<BM> Est; |
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51 | //! switch to use or not to use the internal estimator |
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52 | bool estim; |
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53 | |
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54 | // internal quantities filled by PMSMCtrl::ctrlaction() |
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55 | double isa; |
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56 | double isb; |
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57 | double ome; |
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58 | double the; |
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59 | double Ww; |
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60 | |
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61 | public: |
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62 | |
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63 | PMSMCtrl():Controller() { |
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64 | rv = RV("{ua ub }"); |
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65 | rvc = RV("{o_ia o_ib t_ua t_ub o_om o_th Ww }"); |
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66 | } |
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67 | |
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68 | void adapt(const itpp::vec& data){ |
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69 | if (estim){ |
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70 | vec y=data.get(0,1); |
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71 | vec u=data.get(2,3); |
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72 | Est->bayes(y,u); |
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73 | } |
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74 | } |
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75 | |
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76 | |
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77 | virtual vec ctrlaction(const itpp::vec& cond) { |
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78 | |
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79 | if (estim){ |
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80 | vec x_est=Est->posterior().mean(); |
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81 | isa=x_est(0); |
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82 | isb=x_est(1); |
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83 | ome=x_est(2); |
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84 | the=x_est(3); |
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85 | } else { |
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86 | isa=cond(0);//x_est(0); |
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87 | isb=cond(1);//x_est(1); |
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88 | ome=cond(4);//x[2];//x_est(2); |
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89 | the=cond(5);//x_est(3); |
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90 | } |
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91 | Ww=cond(6); |
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92 | |
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93 | return empty_vec; // dummy return |
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94 | }; |
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95 | void from_setting(const libconfig::Setting& set){ |
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96 | Controller::from_setting(set); |
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97 | Est=UI::build<BM>(set,"estim",UI::optional); |
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98 | estim = Est; |
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99 | } |
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100 | void log_register ( logger &L, const string &prefix ) { |
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101 | Controller::log_register(L,prefix); |
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102 | if (estim) Est->log_register(L,prefix); |
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103 | } |
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104 | void log_write() const{ |
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105 | if (estim) Est->log_write(); |
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106 | } |
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107 | }; |
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108 | //UIREGISTER(PMSMCtrl); -- abstract |
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109 | |
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110 | class PMSM_PICtrl: public PMSMCtrl{ |
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111 | public: |
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112 | PI_ctrl Cwq; |
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113 | PI_ctrl Cuq; |
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114 | PI_ctrl Cud; |
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115 | |
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116 | PMSM_PICtrl():PMSMCtrl(), |
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117 | Cwq(3.0, 3.0*0.000125/0.1, -1200, 1200), |
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118 | Cuq(20.0, 20.0*0.000125/0.005, -1200, 1200), |
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119 | Cud(20.0, 20.0*0.000125/0.005, -1200, 1200) {} |
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120 | |
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121 | |
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122 | virtual vec ctrlaction(const itpp::vec& cond) { |
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123 | PMSMCtrl::ctrlaction(cond); // fills isa,isb,om,the |
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124 | |
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125 | double Isd = isa*cos(the)+isb*sin(the); |
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126 | double Isq = isb*cos(the)-isa*sin(the); |
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127 | |
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128 | double Iqw=(Cwq.ctrlaction(vec_1(Ww-ome)))(0); // conversion from vec |
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129 | |
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130 | double ud = (Cud.ctrlaction(vec_1(-Isd)))(0); |
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131 | double uq = (Cuq.ctrlaction(vec_1(Iqw-Isq)))(0); |
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132 | |
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133 | const double Ls0=0.003465; // inductance |
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134 | const double Fmag0= 0.1989; // Magnetic?? |
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135 | |
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136 | ud-=Ls0*ome*Iqw; // har |
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137 | uq+=Fmag0*ome; |
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138 | |
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139 | double Um = sqrt(ud*ud+uq*uq); |
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140 | double beta = atan(uq/ud); |
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141 | if (ud<0) beta += M_PI; |
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142 | beta +=the; |
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143 | |
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144 | vec uab(2); |
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145 | uab(0)=Um*cos(beta); // usx = usa |
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146 | uab(1)=Um*sin(beta); // usy |
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147 | |
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148 | return uab; |
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149 | }; |
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150 | }; |
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151 | UIREGISTER(PMSM_PICtrl); |
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152 | |
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153 | class PMSM_LQCtrl: public PMSMCtrl{ |
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154 | public: |
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155 | /* |
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156 | PMSMCtrl: |
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157 | double isa; |
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158 | double isb; |
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159 | double ome; |
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160 | double the; |
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161 | double Ww; |
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162 | */ |
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163 | |
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164 | //PMSM parameters |
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165 | const double a; |
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166 | const double b; |
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167 | const double c; |
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168 | const double d; |
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169 | const double e; |
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170 | |
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171 | //input penalty |
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172 | double r; |
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173 | |
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174 | //time step |
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175 | const double Dt; |
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176 | |
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177 | //receding horizon |
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178 | int rec_hor; |
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179 | |
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180 | //system matrices |
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181 | mat A; //5x5 |
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182 | mat B; //5x2 |
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183 | //mat C; //2x5 |
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184 | mat Q; //5x5 |
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185 | mat R; //2x2 |
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186 | |
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187 | //control matrix |
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188 | mat L; |
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189 | vec uab; |
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190 | vec icond; |
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191 | |
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192 | //control maximum |
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193 | const double MAXu; |
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194 | |
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195 | //lqg controler class |
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196 | LQG_universal lq; |
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197 | |
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198 | //prediction |
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199 | vec p_isa, p_isb, p_ome, p_the; |
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200 | |
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201 | PMSM_LQCtrl():PMSMCtrl(), a(0.9898), b(0.0072), c(0.0361), d(1.0), e(0.0149), |
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202 | r(0.005), Dt(0.000125), rec_hor(10), //for r is a default value rewrited by pcp.txt file value |
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203 | A(5, 5), B(5, 2), Q(5, 5), R(2, 2), |
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204 | uab(2), icond(6), MAXu(100.0) { |
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205 | //set fix matrices elements & dimensions |
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206 | A.zeros(); |
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207 | A(0, 0) = A(1, 1) = a; |
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208 | A(2, 2) = d; |
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209 | A(2, 4) = d - 1; |
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210 | A(3, 2) = A(3, 4) = Dt; |
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211 | A(3, 3) = A(4, 4) = 1.0; |
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212 | B.zeros(); |
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213 | B(0, 0) = B(1, 1) = c; |
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214 | //C.zeros(); |
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215 | // C(0, 0) = C(1, 1) = 1.0; |
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216 | Q.zeros(); |
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217 | Q(2, 2) = 1.0; |
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218 | R.zeros(); |
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219 | |
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220 | } |
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221 | |
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222 | |
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223 | virtual vec ctrlaction(const itpp::vec& cond) { |
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224 | PMSMCtrl::ctrlaction(cond); // fills isa,isb,ome,the,Ww |
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225 | |
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226 | int i; |
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227 | lq.resetTime(); |
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228 | |
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229 | //create prediction |
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230 | p_isa.zeros(); |
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231 | p_isb.zeros(); |
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232 | p_ome.zeros(); |
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233 | p_the.zeros(); |
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234 | p_isa(0) = isa; |
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235 | p_isb(0) = isb; |
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236 | p_ome(0) = ome; |
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237 | p_the(0) = the; |
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238 | |
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239 | for(i = 0; i < rec_hor-1; i++){ |
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240 | p_isa(i+1) = a*p_isa(i) + b*p_ome(i)*sin(p_the(i)) + c*0;//uab(0); //use last used control |
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241 | p_isb(i+1) = a*p_isb(i) - b*p_ome(i)*cos(p_the(i)) + c*0;//uab(1); |
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242 | p_ome(i+1) = d*p_ome(i) + e*(p_isb(i)*cos(p_the(i)) - p_isa(i)*sin(p_the(i))); |
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243 | p_the(i+1) = p_the(i) + Dt*p_ome(i); |
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244 | } |
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245 | |
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246 | //create control matrix |
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247 | for(i = rec_hor; i > 0; i--){ |
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248 | //set variable matrices elements (A matrix only) |
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249 | A(0, 2) = b*sin(p_the(i)); |
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250 | A(0, 3) = b*(p_ome(i))*cos(p_the(i)); |
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251 | A(0, 4) = b*sin(p_the(i)); |
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252 | A(1, 2) = -b*cos(p_the(i)); |
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253 | A(1, 3) = b*(p_ome(i))*sin(p_the(i)); |
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254 | A(1, 4) = -b*cos(p_the(i)); |
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255 | A(2, 0) = -e*sin(p_the(i)); |
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256 | A(2, 1) = e*cos(p_the(i)); |
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257 | A(2, 3) = -e*(p_isa(i)*cos(p_the(i)) + p_isb(i)*sin(p_the(i))); |
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258 | |
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259 | lq.Models(0).A = A; |
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260 | lq.redesign(); |
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261 | } |
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262 | lq.redesign(); |
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263 | |
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264 | L = lq.getL(); |
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265 | icond(0) = isa; |
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266 | icond(1) = isb; |
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267 | icond(2) = ome - Ww; |
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268 | icond(3) = the; |
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269 | icond(4) = Ww; |
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270 | icond(5) = 1; |
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271 | vec tmp = L*icond; |
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272 | |
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273 | uab = tmp(0,1); |
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274 | |
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275 | if(uab(0) > MAXu) uab(0) = MAXu; |
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276 | else if(uab(0) < -MAXu) uab(0) = -MAXu; |
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277 | if(uab(1) > MAXu) uab(1) = MAXu; |
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278 | else if(uab(1) < -MAXu) uab(1) = -MAXu; |
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279 | |
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280 | return uab; |
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281 | }; |
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282 | void from_setting(const Setting &set){ |
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283 | PMSMCtrl::from_setting(set); |
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284 | UI::get(r,set, "r", UI::optional); |
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285 | UI::get(rec_hor,set, "h", UI::optional); |
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286 | } |
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287 | |
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288 | void validate(){ |
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289 | R(0,0)=R(1,1)=r; |
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290 | |
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291 | p_isa.set_length(rec_hor+1); |
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292 | p_isb.set_length(rec_hor+1); |
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293 | p_ome.set_length(rec_hor+1); |
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294 | p_the.set_length(rec_hor+1); |
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295 | |
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296 | Array<quadraticfn> qloss(2); |
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297 | qloss(0).Q.setCh(Q); |
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298 | qloss(0).rv = RV("x", 5, 1); |
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299 | qloss(1).Q.setCh(R); |
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300 | qloss(1).rv = RV("u", 2, 0); |
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301 | lq.Losses = qloss; |
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302 | |
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303 | //set lq |
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304 | lq.rv = RV("u", 2, 0); |
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305 | lq.set_rvc(RV("x", 5, 0)); |
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306 | lq.horizon = rec_hor; |
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307 | |
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308 | Array<linfnEx> model(2); |
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309 | model(0).A = A; |
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310 | model(0).B = vec("0 0 0 0 0"); |
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311 | model(0).rv = RV("x", 5, 0); |
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312 | model(0).rv_ret = RV("x", 5, 1); |
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313 | model(1).A = B; |
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314 | model(1).B = vec("0 0"); |
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315 | model(1).rv = RV("u", 2, 0); |
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316 | model(1).rv_ret = RV("x", 5, 1); |
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317 | lq.Models = model; |
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318 | |
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319 | lq.finalLoss.Q.setCh(Q); |
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320 | lq.finalLoss.rv = RV("x", 5, 1); |
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321 | |
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322 | lq.validate(); |
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323 | |
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324 | uab.zeros(); |
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325 | |
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326 | } |
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327 | }; |
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328 | UIREGISTER(PMSM_LQCtrl); |
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329 | |
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330 | /*!@}*/ |
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331 | #endif //PMSM_CTR_H |
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