| 1 | /*! |
|---|
| 2 | \file |
|---|
| 3 | \brief TR 2525 file for testing Wishart random walk on PMSM simulator |
|---|
| 4 | \author Vaclav Smidl. |
|---|
| 5 | |
|---|
| 6 | ----------------------------------- |
|---|
| 7 | BDM++ - C++ library for Bayesian Decision Making under Uncertainty |
|---|
| 8 | |
|---|
| 9 | Using IT++ for numerical operations |
|---|
| 10 | ----------------------------------- |
|---|
| 11 | */ |
|---|
| 12 | |
|---|
| 13 | |
|---|
| 14 | |
|---|
| 15 | #include <estim/particles.h> |
|---|
| 16 | #include <estim/ekf_template.h> |
|---|
| 17 | #include <stat/functions.h> |
|---|
| 18 | |
|---|
| 19 | #include "user_info.h" |
|---|
| 20 | #include "../pmsmDS.h" |
|---|
| 21 | |
|---|
| 22 | using namespace bdm; |
|---|
| 23 | |
|---|
| 24 | int main ( int argc, char* argv[] ) { |
|---|
| 25 | const char *fname; |
|---|
| 26 | if ( argc>1 ) {fname = argv[1]; } |
|---|
| 27 | else { fname = "pmsm_wishart.cfg"; } |
|---|
| 28 | UIFile F ( fname ); |
|---|
| 29 | |
|---|
| 30 | double h = 1e-6; |
|---|
| 31 | int Nsimstep = 125; |
|---|
| 32 | |
|---|
| 33 | // Kalman filter |
|---|
| 34 | double k; |
|---|
| 35 | double l; |
|---|
| 36 | F.lookupValue ( "k",k); |
|---|
| 37 | F.lookupValue ( "l",l); |
|---|
| 38 | |
|---|
| 39 | int Ndat; |
|---|
| 40 | int Npart; |
|---|
| 41 | F.lookupValue ( "ndat", Ndat ); |
|---|
| 42 | F.lookupValue ( "Npart", Npart ); |
|---|
| 43 | |
|---|
| 44 | vec Qdiag; |
|---|
| 45 | vec Rdiag; |
|---|
| 46 | UI::get( Qdiag, F, "dQ" ); //( "1e-6 1e-6 0.001 0.0001" ); //zdenek: 0.01 0.01 0.0001 0.0001 |
|---|
| 47 | UI::get( Rdiag, F, "dR" );// ( "1e-8 1e-8" ); //var(diff(xth)) = "0.034 0.034" |
|---|
| 48 | |
|---|
| 49 | pmsmDS* DS = UI::build<pmsmDS>(F,"system"); |
|---|
| 50 | |
|---|
| 51 | // internal model |
|---|
| 52 | IMpmsm fxu; |
|---|
| 53 | // Rs Ls dt Fmag(Ypm) kp p J Bf(Mz) |
|---|
| 54 | fxu.set_parameters ( 0.28, 0.003465, Nsimstep*h, 0.1989, 1.5 ,4.0, 0.04, 0.0 ); |
|---|
| 55 | // observation model |
|---|
| 56 | OMpmsm hxu; |
|---|
| 57 | |
|---|
| 58 | vec mu0= "0.0 0.0 0.0 0.0"; |
|---|
| 59 | chmat Q ( Qdiag ); |
|---|
| 60 | chmat R ( Rdiag ); |
|---|
| 61 | EKFCh KFE ; |
|---|
| 62 | KFE.set_parameters ( &fxu,&hxu,Q,R ); |
|---|
| 63 | KFE.set_est ( mu0, chmat ( 0.01*eye( 4 ) ) ); |
|---|
| 64 | KFE.set_rv ( rx ); |
|---|
| 65 | |
|---|
| 66 | RV rQ ( "{Q }","16" ); |
|---|
| 67 | EKFCh_chQ KFEp ; |
|---|
| 68 | KFEp.set_parameters ( &fxu,&hxu,Q,R ); |
|---|
| 69 | KFEp.set_est ( mu0, chmat (0.01* eye( 4 ) ) ); |
|---|
| 70 | |
|---|
| 71 | rwiWishartCh* evolQw = new rwiWishartCh; |
|---|
| 72 | evolQw->set_parameters(4, k, sqrt(Qdiag),l); |
|---|
| 73 | MPF<EKFCh_chQ> M; |
|---|
| 74 | M.set_parameters ( evolQw,evolQw,Npart ); |
|---|
| 75 | // initialize |
|---|
| 76 | chmat Ch0(diag(Qdiag)); |
|---|
| 77 | evolQw->condition ( vec(Ch0._Ch()._data(),16) ); //Zdenek default |
|---|
| 78 | M.set_statistics ( evolQw->_e() , &KFEp ); |
|---|
| 79 | // |
|---|
| 80 | |
|---|
| 81 | M.set_rv ( concat ( rQ,rx ) ); |
|---|
| 82 | |
|---|
| 83 | dirfilelog *L = UI::build<dirfilelog> ( F, "logger" );// ( "exp/mpf_test",100 ); |
|---|
| 84 | |
|---|
| 85 | KFE.log_level[logbounds] = true; |
|---|
| 86 | KFE.log_add ( *L,"KF" ); |
|---|
| 87 | M.log_level[logbounds] = true; |
|---|
| 88 | M.log_add ( *L,"M" ); |
|---|
| 89 | DS->log_add(*L); |
|---|
| 90 | L->init(); |
|---|
| 91 | |
|---|
| 92 | // SET SIMULATOR |
|---|
| 93 | pmsmsim_set_parameters ( 0.28,0.003465,0.1989,0.0,4,1.5,0.04, 200., 3e-6, h ); |
|---|
| 94 | vec dt ( 2 ); |
|---|
| 95 | vec ut ( 2 ); |
|---|
| 96 | vec xt ( 4 ); |
|---|
| 97 | vec xtm=zeros ( 4 ); |
|---|
| 98 | // double Ww=0.0; |
|---|
| 99 | |
|---|
| 100 | vec obs(6); |
|---|
| 101 | for ( int tK=1;tK<Ndat;tK++ ) { |
|---|
| 102 | //Number of steps of a simulator for one step of Kalman |
|---|
| 103 | DS->step(); |
|---|
| 104 | DS->getdata(obs); |
|---|
| 105 | |
|---|
| 106 | dt=obs.left(2); |
|---|
| 107 | ut=obs.right(2); |
|---|
| 108 | //estimator |
|---|
| 109 | KFE.bayes ( concat ( dt,ut ) ); |
|---|
| 110 | M.bayes ( concat ( dt,ut ) ); |
|---|
| 111 | |
|---|
| 112 | DS->logit (*L); |
|---|
| 113 | |
|---|
| 114 | KFE.logit ( *L ); |
|---|
| 115 | M.logit ( *L ); |
|---|
| 116 | L->step(); |
|---|
| 117 | } |
|---|
| 118 | L->finalize(); |
|---|
| 119 | //Exit program: |
|---|
| 120 | |
|---|
| 121 | delete L; |
|---|
| 122 | return 0; |
|---|
| 123 | } |
|---|