Eigen
Dependencies: Eigen
Dependents: optWingforHAPS_Eigen hexaTest_Eigen
solaESKF.cpp@67:0453896df0d6, 2021-11-18 (annotated)
- Committer:
- NaotoMorita
- Date:
- Thu Nov 18 08:48:14 2021 +0000
- Revision:
- 67:0453896df0d6
- Parent:
- 64:f5b6256726f3
no mag bias
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
NaotoMorita | 44:7d82e63b6a86 | 1 | #include "solaESKF.hpp" |
NaotoMorita | 54:cd514d9d4b19 | 2 | |
NaotoMorita | 19:3fae66745363 | 3 | |
NaotoMorita | 19:3fae66745363 | 4 | |
NaotoMorita | 44:7d82e63b6a86 | 5 | solaESKF::solaESKF() |
NaotoMorita | 61:5e5c4fe12440 | 6 | :pihat(3,1),vihat(3,1),qhat(4,1),accBias(3,1),gyroBias(3,1),gravity(3,1),errState(16,1),Phat(16,16),Q(16,16) |
NaotoMorita | 19:3fae66745363 | 7 | { |
NaotoMorita | 46:15988dc41923 | 8 | pihat << 0.0f << 0.0f << 0.0f; |
NaotoMorita | 46:15988dc41923 | 9 | vihat << 0.0f << 0.0f << 0.0f; |
NaotoMorita | 46:15988dc41923 | 10 | qhat << 1.0f << 0.0f << 0.0f << 0.0f; |
NaotoMorita | 46:15988dc41923 | 11 | accBias << 0.0f << 0.0f << 0.0f; |
NaotoMorita | 46:15988dc41923 | 12 | gyroBias << 0.0f << 0.0f << 0.0f; |
NaotoMorita | 46:15988dc41923 | 13 | gravity << 0.0f << 0.0f << 9.8f; |
NaotoMorita | 58:93ba28cf5cb3 | 14 | |
NaotoMorita | 58:93ba28cf5cb3 | 15 | nState = errState.getRows(); |
NaotoMorita | 46:15988dc41923 | 16 | |
NaotoMorita | 58:93ba28cf5cb3 | 17 | for (int i = 1; i < nState+1; i++){ |
NaotoMorita | 46:15988dc41923 | 18 | errState(i,1) = 0.0f; |
NaotoMorita | 58:93ba28cf5cb3 | 19 | for (int j = 1; j < nState+1; j++){ |
NaotoMorita | 46:15988dc41923 | 20 | Phat(i,j) = 0.0f; |
NaotoMorita | 46:15988dc41923 | 21 | Q(i,j) = 0.0f; |
NaotoMorita | 46:15988dc41923 | 22 | } |
NaotoMorita | 46:15988dc41923 | 23 | } |
NaotoMorita | 44:7d82e63b6a86 | 24 | |
NaotoMorita | 46:15988dc41923 | 25 | setBlockDiag(Phat,0.1f,1,3);//position |
NaotoMorita | 46:15988dc41923 | 26 | setBlockDiag(Phat,0.1f,4,6);//velocity |
NaotoMorita | 46:15988dc41923 | 27 | setBlockDiag(Phat,0.1f,7,9);//angle error |
NaotoMorita | 47:2467de40951f | 28 | setBlockDiag(Phat,0.1f,10,12);//acc bias |
NaotoMorita | 47:2467de40951f | 29 | setBlockDiag(Phat,0.1f,13,15);//gyro bias |
NaotoMorita | 61:5e5c4fe12440 | 30 | setBlockDiag(Phat,0.00000001f,16,16);//gravity |
NaotoMorita | 47:2467de40951f | 31 | setBlockDiag(Q,0.00025f,4,6);//velocity |
NaotoMorita | 55:21611d4cf7e8 | 32 | setBlockDiag(Q,0.005f/57.0f,7,9);//angle error |
NaotoMorita | 46:15988dc41923 | 33 | setBlockDiag(Q,0.001f,10,12);//acc bias |
NaotoMorita | 61:5e5c4fe12440 | 34 | setBlockDiag(Q,0.001f,13,15);//gyro bias//positionとgravityはQ項なし |
NaotoMorita | 19:3fae66745363 | 35 | |
NaotoMorita | 19:3fae66745363 | 36 | |
NaotoMorita | 19:3fae66745363 | 37 | } |
NaotoMorita | 19:3fae66745363 | 38 | |
NaotoMorita | 47:2467de40951f | 39 | |
NaotoMorita | 44:7d82e63b6a86 | 40 | void solaESKF::updateNominal(Matrix acc, Matrix gyro,float att_dt) |
NaotoMorita | 19:3fae66745363 | 41 | { |
NaotoMorita | 44:7d82e63b6a86 | 42 | Matrix gyrom = gyro - gyroBias; |
NaotoMorita | 44:7d82e63b6a86 | 43 | Matrix accm = acc - accBias; |
NaotoMorita | 44:7d82e63b6a86 | 44 | |
NaotoMorita | 44:7d82e63b6a86 | 45 | Matrix qint(4,1); |
NaotoMorita | 46:15988dc41923 | 46 | qint << 1.0f << 0.5f*gyrom(1,1)*att_dt << 0.5f*gyrom(2,1)*att_dt << 0.5f*gyrom(3,1)*att_dt; |
NaotoMorita | 44:7d82e63b6a86 | 47 | qhat = quatmultiply(qhat,qint); |
NaotoMorita | 19:3fae66745363 | 48 | float qnorm = sqrt(MatrixMath::dot(MatrixMath::Transpose(qhat),qhat)); |
NaotoMorita | 19:3fae66745363 | 49 | qhat *= (1.0f/ qnorm); |
NaotoMorita | 23:1509648c2318 | 50 | |
NaotoMorita | 23:1509648c2318 | 51 | Matrix dcm(3,3); |
NaotoMorita | 23:1509648c2318 | 52 | computeDcm(dcm, qhat); |
NaotoMorita | 46:15988dc41923 | 53 | Matrix accned = dcm*accm+gravity; |
NaotoMorita | 44:7d82e63b6a86 | 54 | vihat += accned*att_dt; |
NaotoMorita | 44:7d82e63b6a86 | 55 | |
NaotoMorita | 44:7d82e63b6a86 | 56 | pihat += vihat*att_dt+0.5f*accned*att_dt*att_dt; |
NaotoMorita | 19:3fae66745363 | 57 | } |
NaotoMorita | 19:3fae66745363 | 58 | |
NaotoMorita | 44:7d82e63b6a86 | 59 | void solaESKF::updateErrState(Matrix acc,Matrix gyro,float att_dt) |
NaotoMorita | 23:1509648c2318 | 60 | { |
NaotoMorita | 44:7d82e63b6a86 | 61 | Matrix gyrom = gyro - gyroBias; |
NaotoMorita | 44:7d82e63b6a86 | 62 | Matrix accm = acc - accBias; |
NaotoMorita | 23:1509648c2318 | 63 | |
NaotoMorita | 23:1509648c2318 | 64 | Matrix dcm(3,3); |
NaotoMorita | 23:1509648c2318 | 65 | computeDcm(dcm, qhat); |
NaotoMorita | 47:2467de40951f | 66 | Matrix a2v = -dcm*MatrixMath::Matrixcross(accm(1,1),accm(2,1),accm(3,1)); |
NaotoMorita | 44:7d82e63b6a86 | 67 | |
NaotoMorita | 47:2467de40951f | 68 | Matrix A(nState,nState); |
NaotoMorita | 44:7d82e63b6a86 | 69 | //position |
NaotoMorita | 47:2467de40951f | 70 | A(1,4) = 1.0f; |
NaotoMorita | 47:2467de40951f | 71 | A(2,5) = 1.0f; |
NaotoMorita | 47:2467de40951f | 72 | A(3,6) = 1.0f; |
NaotoMorita | 47:2467de40951f | 73 | |
NaotoMorita | 47:2467de40951f | 74 | //velocity |
NaotoMorita | 46:15988dc41923 | 75 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 46:15988dc41923 | 76 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 47:2467de40951f | 77 | A(i+3,j+6) = a2v(i,j); |
NaotoMorita | 47:2467de40951f | 78 | A(i+3,j+9) = -dcm(i,j); |
NaotoMorita | 47:2467de40951f | 79 | |
NaotoMorita | 23:1509648c2318 | 80 | } |
NaotoMorita | 23:1509648c2318 | 81 | } |
NaotoMorita | 59:03fe5e16a33c | 82 | A(6,16) = 1.0f; |
NaotoMorita | 23:1509648c2318 | 83 | |
NaotoMorita | 44:7d82e63b6a86 | 84 | //angulat error |
NaotoMorita | 47:2467de40951f | 85 | A(7,8) = gyrom(3,1); |
NaotoMorita | 47:2467de40951f | 86 | A(7,9) = -gyrom(2,1); |
NaotoMorita | 47:2467de40951f | 87 | A(8,7) = -gyrom(3,1); |
NaotoMorita | 47:2467de40951f | 88 | A(8,9) = gyrom(1,1); |
NaotoMorita | 47:2467de40951f | 89 | A(9,7) = gyrom(2,1); |
NaotoMorita | 47:2467de40951f | 90 | A(9,8) = -gyrom(1,1); |
NaotoMorita | 47:2467de40951f | 91 | A(7,13) = -1.0f; |
NaotoMorita | 47:2467de40951f | 92 | A(8,14) = -1.0f; |
NaotoMorita | 47:2467de40951f | 93 | A(9,15) = -1.0f; |
NaotoMorita | 25:07ac5c6cd61c | 94 | |
NaotoMorita | 47:2467de40951f | 95 | |
NaotoMorita | 47:2467de40951f | 96 | Matrix Fx = MatrixMath::Eye(nState) + A * att_dt;// + (0.5f*att_dt*att_dt) * A * A; |
NaotoMorita | 59:03fe5e16a33c | 97 | for (int i = 1; i < nState+1; i++){ |
NaotoMorita | 59:03fe5e16a33c | 98 | if(i>3 && i<10){ |
NaotoMorita | 59:03fe5e16a33c | 99 | Q(i,i) *=att_dt; |
NaotoMorita | 59:03fe5e16a33c | 100 | }else if(i>9 && i<16){ |
NaotoMorita | 59:03fe5e16a33c | 101 | Q(i,i) *= att_dt*att_dt; |
NaotoMorita | 59:03fe5e16a33c | 102 | }else if(i>16 && i<nState+1){ |
NaotoMorita | 59:03fe5e16a33c | 103 | Q(i,i) *=att_dt*att_dt; |
NaotoMorita | 59:03fe5e16a33c | 104 | }else{ |
NaotoMorita | 59:03fe5e16a33c | 105 | Q(i,i) = 0.0f; |
NaotoMorita | 59:03fe5e16a33c | 106 | } |
NaotoMorita | 59:03fe5e16a33c | 107 | } |
NaotoMorita | 44:7d82e63b6a86 | 108 | errState = Fx * errState; |
NaotoMorita | 59:03fe5e16a33c | 109 | Phat = Fx*Phat*MatrixMath::Transpose(Fx)+Q; |
NaotoMorita | 25:07ac5c6cd61c | 110 | } |
NaotoMorita | 25:07ac5c6cd61c | 111 | |
NaotoMorita | 61:5e5c4fe12440 | 112 | void solaESKF::updateAcc(Matrix acc,Matrix R) |
NaotoMorita | 46:15988dc41923 | 113 | { |
NaotoMorita | 46:15988dc41923 | 114 | Matrix accm = acc - accBias; |
NaotoMorita | 56:c10f1168bd4a | 115 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 116 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 117 | Matrix tdcm = MatrixMath::Transpose(dcm); |
NaotoMorita | 46:15988dc41923 | 118 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 59:03fe5e16a33c | 119 | Matrix rotgrav = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 46:15988dc41923 | 120 | |
NaotoMorita | 61:5e5c4fe12440 | 121 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 122 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 59:03fe5e16a33c | 123 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 124 | H(i,j+6) = rotgrav(i,j); |
NaotoMorita | 46:15988dc41923 | 125 | } |
NaotoMorita | 59:03fe5e16a33c | 126 | H(i,16) = tdcm(i,3); |
NaotoMorita | 58:93ba28cf5cb3 | 127 | } |
NaotoMorita | 56:c10f1168bd4a | 128 | |
NaotoMorita | 46:15988dc41923 | 129 | H(1,10) = -1.0f; |
NaotoMorita | 46:15988dc41923 | 130 | H(2,11) = -1.0f; |
NaotoMorita | 46:15988dc41923 | 131 | H(3,12) = -1.0f; |
NaotoMorita | 59:03fe5e16a33c | 132 | |
NaotoMorita | 61:5e5c4fe12440 | 133 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 61:5e5c4fe12440 | 134 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 135 | Matrix z(3,1); |
NaotoMorita | 61:5e5c4fe12440 | 136 | z << zacc(1,1) << zacc(2,1) << zacc(3,1); |
NaotoMorita | 61:5e5c4fe12440 | 137 | errState = K * z; |
NaotoMorita | 61:5e5c4fe12440 | 138 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 61:5e5c4fe12440 | 139 | |
NaotoMorita | 61:5e5c4fe12440 | 140 | fuseErr2Nominal(); |
NaotoMorita | 61:5e5c4fe12440 | 141 | } |
NaotoMorita | 61:5e5c4fe12440 | 142 | void solaESKF::updateMag(Matrix mag,Matrix R) |
NaotoMorita | 61:5e5c4fe12440 | 143 | { |
NaotoMorita | 61:5e5c4fe12440 | 144 | Matrix magm = mag; |
NaotoMorita | 61:5e5c4fe12440 | 145 | Matrix dcm(3,3); |
NaotoMorita | 61:5e5c4fe12440 | 146 | computeDcm(dcm, qhat); |
NaotoMorita | 61:5e5c4fe12440 | 147 | Matrix tdcm = MatrixMath::Transpose(dcm); |
NaotoMorita | 61:5e5c4fe12440 | 148 | Matrix rotmag = -dcm*MatrixMath::Matrixcross(magm(1,1),magm(2,1),magm(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 149 | |
NaotoMorita | 61:5e5c4fe12440 | 150 | Matrix H(3,nState); |
NaotoMorita | 64:f5b6256726f3 | 151 | int nH = H.getRows(); |
NaotoMorita | 59:03fe5e16a33c | 152 | Matrix magned = dcm*magm; |
NaotoMorita | 59:03fe5e16a33c | 153 | float hx = sqrt(magned(1,1)*magned(1,1)+magned(2,1)*magned(2,1)); |
NaotoMorita | 61:5e5c4fe12440 | 154 | float hz = sqrt(magned(3,1)*magned(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 155 | |
NaotoMorita | 61:5e5c4fe12440 | 156 | |
NaotoMorita | 67:0453896df0d6 | 157 | for(int j = 3; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 158 | H(1,j+6) = rotmag(1,j)-(rotmag(1,j)+rotmag(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 159 | H(2,j+6) = rotmag(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 160 | H(3,j+6) = rotmag(3,j)-(rotmag(3,j))/hz; |
NaotoMorita | 61:5e5c4fe12440 | 161 | } |
NaotoMorita | 61:5e5c4fe12440 | 162 | |
NaotoMorita | 67:0453896df0d6 | 163 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 64:f5b6256726f3 | 164 | Matrix z(nH,1); |
NaotoMorita | 61:5e5c4fe12440 | 165 | z << -(magned(1,1) - hx) << -magned(2,1) <<-(magned(3,1) - hz) ; |
NaotoMorita | 64:f5b6256726f3 | 166 | //twelite.printf("%f %f %f\r\n",z(1,1),z(2,1)); |
NaotoMorita | 46:15988dc41923 | 167 | errState = K * z; |
NaotoMorita | 50:dadad0567349 | 168 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 58:93ba28cf5cb3 | 169 | |
NaotoMorita | 58:93ba28cf5cb3 | 170 | fuseErr2Nominal(); |
NaotoMorita | 58:93ba28cf5cb3 | 171 | } |
NaotoMorita | 58:93ba28cf5cb3 | 172 | |
NaotoMorita | 58:93ba28cf5cb3 | 173 | |
NaotoMorita | 59:03fe5e16a33c | 174 | void solaESKF::updateGPS(Matrix posgps,float palt,Matrix velgps,Matrix R) |
NaotoMorita | 58:93ba28cf5cb3 | 175 | { |
NaotoMorita | 59:03fe5e16a33c | 176 | Matrix H(5,nState); |
NaotoMorita | 46:15988dc41923 | 177 | H(1,1) = 1.0f; |
NaotoMorita | 46:15988dc41923 | 178 | H(2,2) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 179 | H(3,3) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 180 | H(4,4) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 181 | H(5,5) = 1.0f; |
NaotoMorita | 53:8b551358a7e3 | 182 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 183 | Matrix z(5,1); |
NaotoMorita | 59:03fe5e16a33c | 184 | z << posgps(1,1) - pihat(1,1) << posgps(2,1)-pihat(2,1) << palt - pihat(3,1) << velgps(1,1) - vihat(1,1) << velgps(2,1)-vihat(2,1); |
NaotoMorita | 58:93ba28cf5cb3 | 185 | errState = K * z; |
NaotoMorita | 58:93ba28cf5cb3 | 186 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 58:93ba28cf5cb3 | 187 | fuseErr2Nominal(); |
NaotoMorita | 58:93ba28cf5cb3 | 188 | } |
NaotoMorita | 58:93ba28cf5cb3 | 189 | |
NaotoMorita | 46:15988dc41923 | 190 | |
NaotoMorita | 44:7d82e63b6a86 | 191 | Matrix solaESKF::computeAngles() |
NaotoMorita | 25:07ac5c6cd61c | 192 | { |
NaotoMorita | 25:07ac5c6cd61c | 193 | |
NaotoMorita | 44:7d82e63b6a86 | 194 | Matrix euler(3,1); |
NaotoMorita | 44:7d82e63b6a86 | 195 | euler(1,1) = atan2f(qhat(1,1)*qhat(2,1) + qhat(3,1)*qhat(4,1), 0.5f - qhat(2,1)*qhat(2,1) - qhat(3,1)*qhat(3,1)); |
NaotoMorita | 44:7d82e63b6a86 | 196 | euler(2,1) = asinf(-2.0f * (qhat(2,1)*qhat(4,1) - qhat(1,1)*qhat(3,1))); |
NaotoMorita | 44:7d82e63b6a86 | 197 | euler(3,1) = atan2f(qhat(2,1)*qhat(3,1) + qhat(1,1)*qhat(4,1), 0.5f - qhat(3,1)*qhat(3,1) - qhat(4,1)*qhat(4,1)); |
NaotoMorita | 44:7d82e63b6a86 | 198 | return euler; |
NaotoMorita | 19:3fae66745363 | 199 | } |
NaotoMorita | 19:3fae66745363 | 200 | |
NaotoMorita | 21:d6079def0473 | 201 | |
NaotoMorita | 44:7d82e63b6a86 | 202 | void solaESKF::fuseErr2Nominal() |
NaotoMorita | 19:3fae66745363 | 203 | { |
NaotoMorita | 44:7d82e63b6a86 | 204 | //position |
NaotoMorita | 44:7d82e63b6a86 | 205 | pihat(1,1) += errState(1,1); |
NaotoMorita | 44:7d82e63b6a86 | 206 | pihat(2,1) += errState(2,1); |
NaotoMorita | 44:7d82e63b6a86 | 207 | pihat(3,1) += errState(3,1); |
NaotoMorita | 44:7d82e63b6a86 | 208 | |
NaotoMorita | 44:7d82e63b6a86 | 209 | //velocity |
NaotoMorita | 44:7d82e63b6a86 | 210 | vihat(1,1) += errState(4,1); |
NaotoMorita | 44:7d82e63b6a86 | 211 | vihat(2,1) += errState(5,1); |
NaotoMorita | 44:7d82e63b6a86 | 212 | vihat(3,1) += errState(6,1); |
NaotoMorita | 44:7d82e63b6a86 | 213 | |
NaotoMorita | 44:7d82e63b6a86 | 214 | //angle error |
NaotoMorita | 19:3fae66745363 | 215 | Matrix qerr(4,1); |
NaotoMorita | 46:15988dc41923 | 216 | qerr << 1.0f << 0.5f*errState(7,1) << 0.5f*errState(8,1) << 0.5f*errState(9,1); |
NaotoMorita | 19:3fae66745363 | 217 | qhat = quatmultiply(qhat, qerr); |
NaotoMorita | 19:3fae66745363 | 218 | float qnorm = sqrt(MatrixMath::dot(MatrixMath::Transpose(qhat),qhat)); |
NaotoMorita | 19:3fae66745363 | 219 | qhat *= (1.0f/ qnorm); |
NaotoMorita | 23:1509648c2318 | 220 | |
NaotoMorita | 44:7d82e63b6a86 | 221 | //acc bias |
NaotoMorita | 44:7d82e63b6a86 | 222 | accBias(1,1) += errState(10,1); |
NaotoMorita | 44:7d82e63b6a86 | 223 | accBias(2,1) += errState(11,1); |
NaotoMorita | 44:7d82e63b6a86 | 224 | accBias(3,1) += errState(12,1); |
NaotoMorita | 44:7d82e63b6a86 | 225 | |
NaotoMorita | 44:7d82e63b6a86 | 226 | //gyro bias |
NaotoMorita | 44:7d82e63b6a86 | 227 | gyroBias(1,1) += errState(13,1); |
NaotoMorita | 44:7d82e63b6a86 | 228 | gyroBias(2,1) += errState(14,1); |
NaotoMorita | 44:7d82e63b6a86 | 229 | gyroBias(3,1) += errState(15,1); |
NaotoMorita | 44:7d82e63b6a86 | 230 | |
NaotoMorita | 44:7d82e63b6a86 | 231 | //gravity bias |
NaotoMorita | 59:03fe5e16a33c | 232 | gravity(1,1) = 0.0f; |
NaotoMorita | 59:03fe5e16a33c | 233 | gravity(2,1) = 0.0f; |
NaotoMorita | 59:03fe5e16a33c | 234 | gravity(3,1) += errState(16,1); |
NaotoMorita | 47:2467de40951f | 235 | |
NaotoMorita | 56:c10f1168bd4a | 236 | |
NaotoMorita | 58:93ba28cf5cb3 | 237 | for (int i = 1; i < nState+1; i++){ |
NaotoMorita | 47:2467de40951f | 238 | errState(i,1) = 0.0f; |
NaotoMorita | 47:2467de40951f | 239 | } |
NaotoMorita | 44:7d82e63b6a86 | 240 | |
NaotoMorita | 19:3fae66745363 | 241 | } |
NaotoMorita | 19:3fae66745363 | 242 | |
NaotoMorita | 44:7d82e63b6a86 | 243 | Matrix solaESKF::quatmultiply(Matrix p, Matrix q) |
NaotoMorita | 19:3fae66745363 | 244 | { |
NaotoMorita | 44:7d82e63b6a86 | 245 | |
NaotoMorita | 19:3fae66745363 | 246 | Matrix qout(4,1); |
NaotoMorita | 44:7d82e63b6a86 | 247 | qout(1,1) = p(1,1)*q(1,1) - p(2,1)*q(2,1) - p(3,1)*q(3,1) - p(4,1)*q(4,1); |
NaotoMorita | 44:7d82e63b6a86 | 248 | qout(2,1) = p(1,1)*q(2,1) + p(2,1)*q(1,1) + p(3,1)*q(4,1) - p(4,1)*q(3,1); |
NaotoMorita | 44:7d82e63b6a86 | 249 | qout(3,1) = p(1,1)*q(3,1) - p(2,1)*q(4,1) + p(3,1)*q(1,1) + p(4,1)*q(2,1); |
NaotoMorita | 44:7d82e63b6a86 | 250 | qout(4,1) = p(1,1)*q(4,1) + p(2,1)*q(3,1) - p(3,1)*q(2,1) + p(4,1)*q(1,1); |
NaotoMorita | 19:3fae66745363 | 251 | float qnorm = sqrt(MatrixMath::dot(MatrixMath::Transpose(qout),qout)); |
NaotoMorita | 19:3fae66745363 | 252 | qout *= (1.0f/ qnorm); |
NaotoMorita | 19:3fae66745363 | 253 | return qout; |
NaotoMorita | 19:3fae66745363 | 254 | } |
NaotoMorita | 19:3fae66745363 | 255 | |
NaotoMorita | 44:7d82e63b6a86 | 256 | void solaESKF::computeDcm(Matrix& dcm, Matrix quat) |
NaotoMorita | 19:3fae66745363 | 257 | { |
NaotoMorita | 19:3fae66745363 | 258 | |
NaotoMorita | 44:7d82e63b6a86 | 259 | dcm(1,1) = quat(1,1)*quat(1,1) + quat(2,1)*quat(2,1) - quat(3,1)*quat(3,1) - quat(4,1)*quat(4,1); |
NaotoMorita | 44:7d82e63b6a86 | 260 | dcm(1,2) = 2.0f*(quat(2,1)*quat(3,1) - quat(1,1)*quat(4,1)); |
NaotoMorita | 44:7d82e63b6a86 | 261 | dcm(1,3) = 2.0f*(quat(2,1)*quat(4,1) + quat(1,1)*quat(3,1)); |
NaotoMorita | 44:7d82e63b6a86 | 262 | dcm(2,1) = 2.0f*(quat(2,1)*quat(3,1) + quat(1,1)*quat(4,1)); |
NaotoMorita | 44:7d82e63b6a86 | 263 | dcm(2,2) = quat(1,1)*quat(1,1) - quat(2,1)*quat(2,1) + quat(3,1)*quat(3,1) - quat(4,1)*quat(4,1); |
NaotoMorita | 44:7d82e63b6a86 | 264 | dcm(2,3) = 2.0f*(quat(3,1)*quat(4,1) - quat(1,1)*quat(2,1)); |
NaotoMorita | 44:7d82e63b6a86 | 265 | dcm(3,1) = 2.0f*(quat(2,1)*quat(4,1) - quat(1,1)*quat(3,1)); |
NaotoMorita | 44:7d82e63b6a86 | 266 | dcm(3,2) = 2.0f*(quat(3,1)*quat(4,1) + quat(1,1)*quat(2,1)); |
NaotoMorita | 44:7d82e63b6a86 | 267 | dcm(3,3) = quat(1,1)*quat(1,1) - quat(2,1)*quat(2,1) - quat(3,1)*quat(3,1) + quat(4,1)*quat(4,1); |
NaotoMorita | 19:3fae66745363 | 268 | |
NaotoMorita | 19:3fae66745363 | 269 | } |
NaotoMorita | 19:3fae66745363 | 270 | |
NaotoMorita | 44:7d82e63b6a86 | 271 | void solaESKF::setQhat(float ex,float ey,float ez) |
NaotoMorita | 44:7d82e63b6a86 | 272 | { |
NaotoMorita | 44:7d82e63b6a86 | 273 | float cos_z_2 = cosf(0.5f*ez); |
NaotoMorita | 44:7d82e63b6a86 | 274 | float cos_y_2 = cosf(0.5f*ey); |
NaotoMorita | 44:7d82e63b6a86 | 275 | float cos_x_2 = cosf(0.5f*ex); |
NaotoMorita | 19:3fae66745363 | 276 | |
NaotoMorita | 44:7d82e63b6a86 | 277 | float sin_z_2 = sinf(0.5f*ez); |
NaotoMorita | 44:7d82e63b6a86 | 278 | float sin_y_2 = sinf(0.5f*ey); |
NaotoMorita | 44:7d82e63b6a86 | 279 | float sin_x_2 = sinf(0.5f*ex); |
NaotoMorita | 19:3fae66745363 | 280 | |
NaotoMorita | 19:3fae66745363 | 281 | // and now compute quaternion |
NaotoMorita | 19:3fae66745363 | 282 | qhat(1,1) = cos_z_2*cos_y_2*cos_x_2 + sin_z_2*sin_y_2*sin_x_2; |
NaotoMorita | 19:3fae66745363 | 283 | qhat(2,1) = cos_z_2*cos_y_2*sin_x_2 - sin_z_2*sin_y_2*cos_x_2; |
NaotoMorita | 19:3fae66745363 | 284 | qhat(3,1) = cos_z_2*sin_y_2*cos_x_2 + sin_z_2*cos_y_2*sin_x_2; |
NaotoMorita | 19:3fae66745363 | 285 | qhat(4,1) = sin_z_2*cos_y_2*cos_x_2 - cos_z_2*sin_y_2*sin_x_2; |
NaotoMorita | 19:3fae66745363 | 286 | } |
NaotoMorita | 19:3fae66745363 | 287 | |
NaotoMorita | 47:2467de40951f | 288 | |
NaotoMorita | 47:2467de40951f | 289 | |
NaotoMorita | 44:7d82e63b6a86 | 290 | void solaESKF::setGravity(float gx,float gy,float gz) |
NaotoMorita | 23:1509648c2318 | 291 | { |
NaotoMorita | 44:7d82e63b6a86 | 292 | gravity(1,1) = gx; |
NaotoMorita | 44:7d82e63b6a86 | 293 | gravity(2,1) = gy; |
NaotoMorita | 44:7d82e63b6a86 | 294 | gravity(3,1) = gz; |
NaotoMorita | 23:1509648c2318 | 295 | } |
NaotoMorita | 47:2467de40951f | 296 | Matrix solaESKF::getPihat() |
NaotoMorita | 47:2467de40951f | 297 | { |
NaotoMorita | 47:2467de40951f | 298 | return pihat; |
NaotoMorita | 47:2467de40951f | 299 | } |
NaotoMorita | 47:2467de40951f | 300 | Matrix solaESKF::getVihat() |
NaotoMorita | 47:2467de40951f | 301 | { |
NaotoMorita | 47:2467de40951f | 302 | return vihat; |
NaotoMorita | 47:2467de40951f | 303 | } |
NaotoMorita | 47:2467de40951f | 304 | Matrix solaESKF::getQhat() |
NaotoMorita | 47:2467de40951f | 305 | { |
NaotoMorita | 47:2467de40951f | 306 | return qhat; |
NaotoMorita | 47:2467de40951f | 307 | } |
NaotoMorita | 47:2467de40951f | 308 | Matrix solaESKF::getAccBias() |
NaotoMorita | 47:2467de40951f | 309 | { |
NaotoMorita | 47:2467de40951f | 310 | return accBias; |
NaotoMorita | 47:2467de40951f | 311 | } |
NaotoMorita | 47:2467de40951f | 312 | Matrix solaESKF::getGyroBias() |
NaotoMorita | 47:2467de40951f | 313 | { |
NaotoMorita | 47:2467de40951f | 314 | return gyroBias; |
NaotoMorita | 47:2467de40951f | 315 | } |
NaotoMorita | 47:2467de40951f | 316 | Matrix solaESKF::getGravity() |
NaotoMorita | 47:2467de40951f | 317 | { |
NaotoMorita | 47:2467de40951f | 318 | return gravity; |
NaotoMorita | 47:2467de40951f | 319 | } |
NaotoMorita | 47:2467de40951f | 320 | Matrix solaESKF::getErrState() |
NaotoMorita | 47:2467de40951f | 321 | { |
NaotoMorita | 47:2467de40951f | 322 | return errState; |
NaotoMorita | 47:2467de40951f | 323 | } |
NaotoMorita | 23:1509648c2318 | 324 | |
NaotoMorita | 47:2467de40951f | 325 | void solaESKF::setPhatPosition(float val) |
NaotoMorita | 47:2467de40951f | 326 | { |
NaotoMorita | 47:2467de40951f | 327 | setBlockDiag(Phat,val,1,3); |
NaotoMorita | 47:2467de40951f | 328 | } |
NaotoMorita | 47:2467de40951f | 329 | void solaESKF::setPhatVelocity(float val) |
NaotoMorita | 47:2467de40951f | 330 | { |
NaotoMorita | 47:2467de40951f | 331 | setBlockDiag(Phat,val,4,6); |
NaotoMorita | 47:2467de40951f | 332 | } |
NaotoMorita | 47:2467de40951f | 333 | void solaESKF::setPhatAngleError(float val) |
NaotoMorita | 47:2467de40951f | 334 | { |
NaotoMorita | 47:2467de40951f | 335 | setBlockDiag(Phat,val,7,9); |
NaotoMorita | 47:2467de40951f | 336 | } |
NaotoMorita | 47:2467de40951f | 337 | void solaESKF::setPhatAccBias(float val) |
NaotoMorita | 47:2467de40951f | 338 | { |
NaotoMorita | 47:2467de40951f | 339 | setBlockDiag(Phat,val,10,12); |
NaotoMorita | 47:2467de40951f | 340 | } |
NaotoMorita | 47:2467de40951f | 341 | void solaESKF::setPhatGyroBias(float val) |
NaotoMorita | 47:2467de40951f | 342 | { |
NaotoMorita | 47:2467de40951f | 343 | setBlockDiag(Phat,val,13,15); |
NaotoMorita | 47:2467de40951f | 344 | } |
NaotoMorita | 47:2467de40951f | 345 | void solaESKF::setPhatGravity(float val) |
NaotoMorita | 47:2467de40951f | 346 | { |
NaotoMorita | 59:03fe5e16a33c | 347 | setBlockDiag(Phat,val,16,16); |
NaotoMorita | 47:2467de40951f | 348 | } |
NaotoMorita | 47:2467de40951f | 349 | |
NaotoMorita | 47:2467de40951f | 350 | |
NaotoMorita | 47:2467de40951f | 351 | void solaESKF::setQVelocity(float val) |
NaotoMorita | 47:2467de40951f | 352 | { |
NaotoMorita | 47:2467de40951f | 353 | setBlockDiag(Q,val,4,6); |
NaotoMorita | 47:2467de40951f | 354 | } |
NaotoMorita | 47:2467de40951f | 355 | void solaESKF::setQAngleError(float val) |
NaotoMorita | 47:2467de40951f | 356 | { |
NaotoMorita | 47:2467de40951f | 357 | setBlockDiag(Q,val,7,9); |
NaotoMorita | 47:2467de40951f | 358 | } |
NaotoMorita | 47:2467de40951f | 359 | void solaESKF::setQAccBias(float val) |
NaotoMorita | 47:2467de40951f | 360 | { |
NaotoMorita | 47:2467de40951f | 361 | setBlockDiag(Q,val,10,12); |
NaotoMorita | 47:2467de40951f | 362 | } |
NaotoMorita | 47:2467de40951f | 363 | void solaESKF::setQGyroBias(float val) |
NaotoMorita | 47:2467de40951f | 364 | { |
NaotoMorita | 47:2467de40951f | 365 | setBlockDiag(Q,val,13,15); |
NaotoMorita | 47:2467de40951f | 366 | } |
NaotoMorita | 19:3fae66745363 | 367 | |
NaotoMorita | 19:3fae66745363 | 368 | |
NaotoMorita | 44:7d82e63b6a86 | 369 | void solaESKF::setDiag(Matrix& mat, float val){ |
NaotoMorita | 44:7d82e63b6a86 | 370 | for (int i = 1; i < mat.getCols()+1; i++){ |
NaotoMorita | 44:7d82e63b6a86 | 371 | mat(i,i) = val; |
NaotoMorita | 22:7d84b8bc20b4 | 372 | } |
NaotoMorita | 22:7d84b8bc20b4 | 373 | } |
NaotoMorita | 22:7d84b8bc20b4 | 374 | |
NaotoMorita | 45:df4618814803 | 375 | void solaESKF::setBlockDiag(Matrix& mat, float val,int startIndex, int endIndex){ |
NaotoMorita | 44:7d82e63b6a86 | 376 | for (int i = startIndex; i < endIndex+1; i++){ |
NaotoMorita | 44:7d82e63b6a86 | 377 | mat(i,i) = val; |
NaotoMorita | 22:7d84b8bc20b4 | 378 | } |
NaotoMorita | 22:7d84b8bc20b4 | 379 | } |
osaka | 51:a5af3b280d23 | 380 | |
NaotoMorita | 58:93ba28cf5cb3 | 381 | void solaESKF::setPihat(float pi_x, float pi_y) |
osaka | 51:a5af3b280d23 | 382 | { |
NaotoMorita | 56:c10f1168bd4a | 383 | pihat(1,1) = pi_x; |
NaotoMorita | 56:c10f1168bd4a | 384 | pihat(2,1) = pi_y; |
NaotoMorita | 58:93ba28cf5cb3 | 385 | //pihat(3,1) = pi_z; |
NaotoMorita | 56:c10f1168bd4a | 386 | } |
NaotoMorita | 56:c10f1168bd4a | 387 | /* |
NaotoMorita | 56:c10f1168bd4a | 388 | void solaESKF::updateAccConstraints(Matrix acc,float palt,Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 389 | { |
NaotoMorita | 56:c10f1168bd4a | 390 | Matrix accm = acc - accBias; |
NaotoMorita | 56:c10f1168bd4a | 391 | Matrix tdcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 392 | computeDcm(tdcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 393 | tdcm = MatrixMath::Transpose(tdcm); |
NaotoMorita | 56:c10f1168bd4a | 394 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 56:c10f1168bd4a | 395 | Matrix a2v = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 396 | |
NaotoMorita | 56:c10f1168bd4a | 397 | Matrix H(4,nState); |
NaotoMorita | 56:c10f1168bd4a | 398 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 56:c10f1168bd4a | 399 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 400 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 401 | H(i,j+15) = tdcm(i,j); |
NaotoMorita | 56:c10f1168bd4a | 402 | } |
NaotoMorita | 56:c10f1168bd4a | 403 | } |
NaotoMorita | 56:c10f1168bd4a | 404 | H(1,10) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 405 | H(2,11) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 406 | H(3,12) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 407 | H(4,3) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 408 | |
NaotoMorita | 56:c10f1168bd4a | 409 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 410 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 411 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 412 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 56:c10f1168bd4a | 413 | Matrix z(4,1); |
NaotoMorita | 56:c10f1168bd4a | 414 | z << zacc(1,1) << zacc(2,1) << zacc(3,1) << palt - pihat(3,1); |
NaotoMorita | 56:c10f1168bd4a | 415 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 416 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 417 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 418 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 419 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 420 | } |
NaotoMorita | 56:c10f1168bd4a | 421 | |
NaotoMorita | 56:c10f1168bd4a | 422 | void solaESKF::updateGyroConstraints(Matrix gyro,Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 423 | { |
NaotoMorita | 56:c10f1168bd4a | 424 | Matrix gyrom = gyro - gyroBias; |
NaotoMorita | 56:c10f1168bd4a | 425 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 426 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 427 | Matrix a2v = dcm*MatrixMath::Matrixcross(gyrom(1,1),gyrom(2,1),gyrom(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 428 | |
NaotoMorita | 56:c10f1168bd4a | 429 | Matrix H(2,nState); |
NaotoMorita | 56:c10f1168bd4a | 430 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 56:c10f1168bd4a | 431 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 432 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 433 | H(i,j+12) = -dcm(i,j); |
NaotoMorita | 56:c10f1168bd4a | 434 | } |
NaotoMorita | 56:c10f1168bd4a | 435 | } |
NaotoMorita | 56:c10f1168bd4a | 436 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 437 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(2))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 438 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 439 | |
NaotoMorita | 56:c10f1168bd4a | 440 | Matrix z3 = -dcm*gyrom; |
NaotoMorita | 56:c10f1168bd4a | 441 | Matrix z(2,1); |
NaotoMorita | 56:c10f1168bd4a | 442 | z << z3(1,1) << z3(2,1); |
NaotoMorita | 56:c10f1168bd4a | 443 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 444 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 445 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 446 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 447 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 448 | } |
NaotoMorita | 56:c10f1168bd4a | 449 | void solaESKF::updateMag(Matrix mag, Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 450 | { |
NaotoMorita | 56:c10f1168bd4a | 451 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 452 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 453 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 454 | |
NaotoMorita | 56:c10f1168bd4a | 455 | Matrix H(2,nState); |
NaotoMorita | 56:c10f1168bd4a | 456 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 56:c10f1168bd4a | 457 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 458 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 459 | } |
NaotoMorita | 56:c10f1168bd4a | 460 | } |
NaotoMorita | 56:c10f1168bd4a | 461 | H(1,19) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 462 | //H(3,20) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 463 | |
NaotoMorita | 56:c10f1168bd4a | 464 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 465 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 466 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 467 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 56:c10f1168bd4a | 468 | Matrix z(2,1); |
NaotoMorita | 56:c10f1168bd4a | 469 | z << zmag(1,1) << zmag(2,1); |
NaotoMorita | 56:c10f1168bd4a | 470 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 471 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 472 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 473 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 474 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 475 | } |
NaotoMorita | 59:03fe5e16a33c | 476 | void solaESKF::updateMag(Matrix mag,float palt, Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 477 | { |
NaotoMorita | 59:03fe5e16a33c | 478 | Matrix dcm(3,3); |
NaotoMorita | 59:03fe5e16a33c | 479 | computeDcm(dcm, qhat); |
NaotoMorita | 59:03fe5e16a33c | 480 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 59:03fe5e16a33c | 481 | |
NaotoMorita | 59:03fe5e16a33c | 482 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 483 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 59:03fe5e16a33c | 484 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 485 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 59:03fe5e16a33c | 486 | } |
NaotoMorita | 59:03fe5e16a33c | 487 | } |
NaotoMorita | 59:03fe5e16a33c | 488 | H(1,19) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 489 | H(3,3) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 490 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 491 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 492 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 493 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 59:03fe5e16a33c | 494 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 495 | z << zmag(1,1) << zmag(2,1) << palt - pihat(3,1); |
NaotoMorita | 59:03fe5e16a33c | 496 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 497 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 498 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 499 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 500 | |
NaotoMorita | 59:03fe5e16a33c | 501 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 502 | } |
NaotoMorita | 59:03fe5e16a33c | 503 | void solaESKF::updateGPSVelocity(Matrix velgps,Matrix mag,Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 504 | { |
NaotoMorita | 59:03fe5e16a33c | 505 | |
NaotoMorita | 59:03fe5e16a33c | 506 | Matrix dcm(3,3); |
NaotoMorita | 59:03fe5e16a33c | 507 | computeDcm(dcm, qhat); |
NaotoMorita | 59:03fe5e16a33c | 508 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 59:03fe5e16a33c | 509 | |
NaotoMorita | 59:03fe5e16a33c | 510 | |
NaotoMorita | 59:03fe5e16a33c | 511 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 512 | H(1,4) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 513 | H(2,5) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 514 | |
NaotoMorita | 59:03fe5e16a33c | 515 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 516 | H(3,j+6) = a2v(2,j); |
NaotoMorita | 59:03fe5e16a33c | 517 | } |
NaotoMorita | 59:03fe5e16a33c | 518 | //H(3,19) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 519 | |
NaotoMorita | 59:03fe5e16a33c | 520 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 59:03fe5e16a33c | 521 | |
NaotoMorita | 59:03fe5e16a33c | 522 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 523 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 524 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 525 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 526 | z << velgps(1,1) - vihat(1,1) << velgps(2,1)-vihat(2,1) << zmag(2,1); |
NaotoMorita | 59:03fe5e16a33c | 527 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 528 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 529 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 530 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 531 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 532 | } |
NaotoMorita | 56:c10f1168bd4a | 533 | |
NaotoMorita | 59:03fe5e16a33c | 534 | void solaESKF::updateGPSPosition(Matrix posgps,float palt,Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 535 | { |
NaotoMorita | 59:03fe5e16a33c | 536 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 537 | H(1,1) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 538 | H(2,2) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 539 | H(3,3) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 540 | |
NaotoMorita | 59:03fe5e16a33c | 541 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 542 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 543 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 544 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 545 | z << posgps(1,1) - pihat(1,1) << posgps(2,1)-pihat(2,1) << palt - pihat(3,1); |
NaotoMorita | 59:03fe5e16a33c | 546 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 547 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 548 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 549 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 550 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 551 | } |
NaotoMorita | 61:5e5c4fe12440 | 552 | |
NaotoMorita | 61:5e5c4fe12440 | 553 | void solaESKF::updateImuConstraints(Matrix acc,Matrix mag,Matrix R) |
NaotoMorita | 61:5e5c4fe12440 | 554 | { |
NaotoMorita | 61:5e5c4fe12440 | 555 | Matrix accm = acc - accBias; |
NaotoMorita | 61:5e5c4fe12440 | 556 | Matrix magm = mag - magBias; |
NaotoMorita | 61:5e5c4fe12440 | 557 | Matrix dcm(3,3); |
NaotoMorita | 61:5e5c4fe12440 | 558 | computeDcm(dcm, qhat); |
NaotoMorita | 61:5e5c4fe12440 | 559 | Matrix tdcm = MatrixMath::Transpose(dcm); |
NaotoMorita | 61:5e5c4fe12440 | 560 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 561 | Matrix rotgrav = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 562 | Matrix rotmag = -dcm*MatrixMath::Matrixcross(magm(1,1),magm(2,1),magm(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 563 | |
NaotoMorita | 61:5e5c4fe12440 | 564 | Matrix H(5,nState); |
NaotoMorita | 61:5e5c4fe12440 | 565 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 61:5e5c4fe12440 | 566 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 567 | H(i,j+6) = rotgrav(i,j); |
NaotoMorita | 61:5e5c4fe12440 | 568 | } |
NaotoMorita | 61:5e5c4fe12440 | 569 | H(i,16) = tdcm(i,3); |
NaotoMorita | 61:5e5c4fe12440 | 570 | } |
NaotoMorita | 61:5e5c4fe12440 | 571 | |
NaotoMorita | 61:5e5c4fe12440 | 572 | H(1,10) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 573 | H(2,11) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 574 | H(3,12) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 575 | |
NaotoMorita | 61:5e5c4fe12440 | 576 | Matrix magned = dcm*magm; |
NaotoMorita | 61:5e5c4fe12440 | 577 | float hx = sqrt(magned(1,1)*magned(1,1)+magned(2,1)*magned(2,1)); |
NaotoMorita | 61:5e5c4fe12440 | 578 | |
NaotoMorita | 61:5e5c4fe12440 | 579 | for(int j = 1; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 580 | H(4,j+6) = rotmag(1,j)-(rotmag(1,j)+rotmag(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 581 | H(4,j+16) = -dcm(1,j)+(dcm(1,j)+dcm(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 582 | H(5,j+6) = rotmag(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 583 | H(5,j+16) = -dcm(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 584 | } |
NaotoMorita | 61:5e5c4fe12440 | 585 | |
NaotoMorita | 61:5e5c4fe12440 | 586 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 61:5e5c4fe12440 | 587 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 588 | Matrix zmag = dcm*magm; |
NaotoMorita | 61:5e5c4fe12440 | 589 | Matrix z(5,1); |
NaotoMorita | 61:5e5c4fe12440 | 590 | z << zacc(1,1) << zacc(2,1) << zacc(3,1) << -(zmag(1,1) - hx) << -zmag(2,1); |
NaotoMorita | 61:5e5c4fe12440 | 591 | twelite.printf("%f %f\r\n",hx,(zmag(1,1) - hx)); |
NaotoMorita | 61:5e5c4fe12440 | 592 | errState = K * z; |
NaotoMorita | 61:5e5c4fe12440 | 593 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 61:5e5c4fe12440 | 594 | |
NaotoMorita | 61:5e5c4fe12440 | 595 | fuseErr2Nominal(); |
NaotoMorita | 61:5e5c4fe12440 | 596 | } |
NaotoMorita | 56:c10f1168bd4a | 597 | */ |