Eigen
Dependencies: Eigen
Dependents: optWingforHAPS_Eigen hexaTest_Eigen
solaESKF.cpp@85:552fe30e7f51, 23 months ago (annotated)
- Committer:
- NaotoMorita
- Date:
- Wed Oct 26 05:56:32 2022 +0000
- Revision:
- 85:552fe30e7f51
- Parent:
- 84:fb14acabefd3
center2fuse
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 | 44:7d82e63b6a86 | 3 | solaESKF::solaESKF() |
cocorlow | 78:e36a7b844fb5 | 4 | // :pihat(3,1),vihat(3,1),qhat(4,1),accBias(3,1),gyroBias(3,1),gravity(3,1),errState(18,1),Phat(18,18),Q(18,18) |
cocorlow | 78:e36a7b844fb5 | 5 | :errState(18,1),Phat(18,18),Q(18,18) |
NaotoMorita | 62:5519d34eb6e8 | 6 | { |
cocorlow | 78:e36a7b844fb5 | 7 | pihat << 0.0f, 0.0f, 0.0f; |
cocorlow | 78:e36a7b844fb5 | 8 | vihat << 0.0f, 0.0f, 0.0f; |
cocorlow | 78:e36a7b844fb5 | 9 | qhat << 1.0f, 0.0f, 0.0f, 0.0f; |
cocorlow | 78:e36a7b844fb5 | 10 | accBias << 0.0f, 0.0f, 0.0f; |
cocorlow | 78:e36a7b844fb5 | 11 | gyroBias << 0.0f, 0.0f, 0.0f; |
cocorlow | 78:e36a7b844fb5 | 12 | gravity << 0.0f, 0.0, 9.8f; |
NaotoMorita | 62:5519d34eb6e8 | 13 | |
cocorlow | 78:e36a7b844fb5 | 14 | nState = 18; |
cocorlow | 78:e36a7b844fb5 | 15 | errState = VectorXf::Zero(nState); |
cocorlow | 78:e36a7b844fb5 | 16 | Phat = MatrixXf::Zero(nState, nState); |
cocorlow | 78:e36a7b844fb5 | 17 | Q = MatrixXf::Zero(nState, nState); |
NaotoMorita | 62:5519d34eb6e8 | 18 | |
cocorlow | 78:e36a7b844fb5 | 19 | setBlockDiag(Phat, 0.1f, 0, 2);//position |
cocorlow | 78:e36a7b844fb5 | 20 | setBlockDiag(Phat, 0.1f, 3, 5);//velocity |
cocorlow | 78:e36a7b844fb5 | 21 | setBlockDiag(Phat, 0.1f, 6, 8);//angle error |
cocorlow | 78:e36a7b844fb5 | 22 | setBlockDiag(Phat, 0.1f, 9, 11);//acc bias |
cocorlow | 78:e36a7b844fb5 | 23 | setBlockDiag(Phat, 0.1f, 12, 14);//gyro bias |
cocorlow | 78:e36a7b844fb5 | 24 | setBlockDiag(Phat, 0.00000001f, 15, 17);//gravity |
cocorlow | 78:e36a7b844fb5 | 25 | setBlockDiag(Q, 0.00025f, 3, 5);//velocity |
cocorlow | 78:e36a7b844fb5 | 26 | setBlockDiag(Q, 0.005f/57.0f, 6, 8);//angle error |
cocorlow | 78:e36a7b844fb5 | 27 | setBlockDiag(Q, 0.001f, 9, 11);//acc bias |
cocorlow | 78:e36a7b844fb5 | 28 | setBlockDiag(Q, 0.001f, 12, 14);//gyro bias//positionとgravityはQ項なし |
NaotoMorita | 19:3fae66745363 | 29 | } |
NaotoMorita | 19:3fae66745363 | 30 | |
NaotoMorita | 47:2467de40951f | 31 | |
cocorlow | 78:e36a7b844fb5 | 32 | void solaESKF::updateNominal(Vector3f acc, Vector3f gyro,float att_dt) |
NaotoMorita | 19:3fae66745363 | 33 | { |
cocorlow | 78:e36a7b844fb5 | 34 | Vector3f gyrom = gyro - gyroBias; |
cocorlow | 78:e36a7b844fb5 | 35 | Vector3f accm = acc - accBias; |
NaotoMorita | 44:7d82e63b6a86 | 36 | |
cocorlow | 78:e36a7b844fb5 | 37 | Vector4f qint; |
cocorlow | 78:e36a7b844fb5 | 38 | qint << 1.0f, 0.5f*gyrom(0)*att_dt, 0.5f*gyrom(1)*att_dt, 0.5f*gyrom(2)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 39 | qhat = quatmultiply(qhat, qint); |
cocorlow | 78:e36a7b844fb5 | 40 | qhat.normalize(); |
NaotoMorita | 23:1509648c2318 | 41 | |
cocorlow | 78:e36a7b844fb5 | 42 | Matrix3f dcm; |
NaotoMorita | 23:1509648c2318 | 43 | computeDcm(dcm, qhat); |
cocorlow | 78:e36a7b844fb5 | 44 | Vector3f accned = dcm*accm + gravity; |
NaotoMorita | 44:7d82e63b6a86 | 45 | vihat += accned*att_dt; |
NaotoMorita | 44:7d82e63b6a86 | 46 | |
cocorlow | 78:e36a7b844fb5 | 47 | pihat += vihat*att_dt + 0.5f*accned*att_dt*att_dt; |
NaotoMorita | 19:3fae66745363 | 48 | } |
NaotoMorita | 19:3fae66745363 | 49 | |
cocorlow | 78:e36a7b844fb5 | 50 | void solaESKF::updateErrState(Vector3f acc, Vector3f gyro, float att_dt) |
NaotoMorita | 23:1509648c2318 | 51 | { |
cocorlow | 78:e36a7b844fb5 | 52 | Vector3f gyrom = gyro - gyroBias; |
cocorlow | 78:e36a7b844fb5 | 53 | Vector3f accm = acc - accBias; |
NaotoMorita | 75:e2c825cdc511 | 54 | |
cocorlow | 78:e36a7b844fb5 | 55 | Matrix3f dcm; |
NaotoMorita | 23:1509648c2318 | 56 | computeDcm(dcm, qhat); |
cocorlow | 78:e36a7b844fb5 | 57 | // Matrix a2v = -dcm*MatrixMath::Matrixcross(accm(1,1),accm(2,1),accm(3,1))*att_dt; |
cocorlow | 78:e36a7b844fb5 | 58 | Matrix3f a2v = -dcm*solaESKF::Matrixcross(accm)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 59 | Matrix3f a2v2 = 0.5f*a2v*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 60 | |
NaotoMorita | 80:b241c058df83 | 61 | MatrixXf Fx = MatrixXf::Zero(nState, nState); |
NaotoMorita | 44:7d82e63b6a86 | 62 | //position |
cocorlow | 78:e36a7b844fb5 | 63 | Fx(0,0) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 64 | Fx(1,1) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 65 | Fx(2,2) = 1.0f; |
cocorlow | 78:e36a7b844fb5 | 66 | Fx(0,3) = 1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 67 | Fx(1,4) = 1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 68 | Fx(2,5) = 1.0f*att_dt; |
cocorlow | 78:e36a7b844fb5 | 69 | for (int i = 0; i < 3; i++){ |
cocorlow | 78:e36a7b844fb5 | 70 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 75:e2c825cdc511 | 71 | Fx(i,j+6) = a2v2(i,j); |
NaotoMorita | 75:e2c825cdc511 | 72 | Fx(i,j+9) = -0.5f*dcm(i,j)*att_dt*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 73 | } |
NaotoMorita | 75:e2c825cdc511 | 74 | Fx(i,i+15) = 0.5f*att_dt*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 75 | } |
NaotoMorita | 75:e2c825cdc511 | 76 | |
NaotoMorita | 75:e2c825cdc511 | 77 | |
NaotoMorita | 75:e2c825cdc511 | 78 | //velocity |
cocorlow | 78:e36a7b844fb5 | 79 | Fx(3,3) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 80 | Fx(4,4) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 81 | Fx(5,5) = 1.0f; |
cocorlow | 78:e36a7b844fb5 | 82 | for (int i = 0; i < 3; i++){ |
cocorlow | 78:e36a7b844fb5 | 83 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 75:e2c825cdc511 | 84 | Fx(i+3,j+6) = a2v(i,j); |
NaotoMorita | 75:e2c825cdc511 | 85 | Fx(i+3,j+9) = -dcm(i,j)*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 86 | Fx(i+3,j+12) = -a2v2(i,j); |
NaotoMorita | 23:1509648c2318 | 87 | } |
NaotoMorita | 23:1509648c2318 | 88 | } |
cocorlow | 78:e36a7b844fb5 | 89 | Fx(3,15) = 1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 90 | Fx(4,16) = 1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 91 | Fx(5,17) = 1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 92 | |
NaotoMorita | 44:7d82e63b6a86 | 93 | //angulat error |
cocorlow | 78:e36a7b844fb5 | 94 | Fx(6,6) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 95 | Fx(7,7) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 96 | Fx(8,8) = 1.0f; |
cocorlow | 78:e36a7b844fb5 | 97 | Fx(6,7) = gyrom(2)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 98 | Fx(6,8) = -gyrom(1)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 99 | Fx(7,6) = -gyrom(2)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 100 | Fx(7,8) = gyrom(0)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 101 | Fx(8,6) = gyrom(1)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 102 | Fx(8,7) = -gyrom(0)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 103 | Fx(6,12) = -1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 104 | Fx(7,13) = -1.0f*att_dt; |
NaotoMorita | 75:e2c825cdc511 | 105 | Fx(8,14) = -1.0f*att_dt; |
NaotoMorita | 47:2467de40951f | 106 | |
NaotoMorita | 75:e2c825cdc511 | 107 | //acc bias |
cocorlow | 78:e36a7b844fb5 | 108 | Fx(9,9) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 109 | Fx(10,10) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 110 | Fx(11,11) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 111 | |
NaotoMorita | 75:e2c825cdc511 | 112 | //gyro bias |
cocorlow | 78:e36a7b844fb5 | 113 | Fx(12,12) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 114 | Fx(13,13) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 115 | Fx(14,14) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 116 | |
NaotoMorita | 75:e2c825cdc511 | 117 | //gravity bias |
cocorlow | 78:e36a7b844fb5 | 118 | Fx(15,15) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 119 | Fx(16,16) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 120 | Fx(17,17) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 121 | |
NaotoMorita | 80:b241c058df83 | 122 | //errState = Fx * errState; |
cocorlow | 78:e36a7b844fb5 | 123 | Phat = Fx*Phat*Fx.transpose(); |
cocorlow | 78:e36a7b844fb5 | 124 | for (int i = 0; i < nState; i++){ |
cocorlow | 78:e36a7b844fb5 | 125 | if(i>2 && i<9){ |
NaotoMorita | 75:e2c825cdc511 | 126 | Phat(i,i) += Q(i,i)*att_dt; |
cocorlow | 78:e36a7b844fb5 | 127 | }else if(i>8 && i<15){ |
NaotoMorita | 75:e2c825cdc511 | 128 | Phat(i,i) += Q(i,i)* att_dt*att_dt; |
NaotoMorita | 59:03fe5e16a33c | 129 | } |
NaotoMorita | 59:03fe5e16a33c | 130 | } |
NaotoMorita | 25:07ac5c6cd61c | 131 | } |
NaotoMorita | 25:07ac5c6cd61c | 132 | |
cocorlow | 78:e36a7b844fb5 | 133 | void solaESKF::updateAcc(Vector3f acc, Matrix3f R) |
NaotoMorita | 46:15988dc41923 | 134 | { |
cocorlow | 78:e36a7b844fb5 | 135 | Vector3f accm = acc - accBias; |
cocorlow | 78:e36a7b844fb5 | 136 | Matrix3f dcm; |
NaotoMorita | 56:c10f1168bd4a | 137 | computeDcm(dcm, qhat); |
cocorlow | 78:e36a7b844fb5 | 138 | Matrix3f tdcm = dcm.transpose(); |
cocorlow | 78:e36a7b844fb5 | 139 | Vector3f tdcm_g = tdcm*gravity; |
cocorlow | 78:e36a7b844fb5 | 140 | Matrix3f rotgrav = solaESKF::Matrixcross(tdcm_g); |
NaotoMorita | 46:15988dc41923 | 141 | |
NaotoMorita | 80:b241c058df83 | 142 | MatrixXf H = MatrixXf::Zero(3,nState); |
cocorlow | 78:e36a7b844fb5 | 143 | for (int i = 0; i < 3; i++){ |
cocorlow | 78:e36a7b844fb5 | 144 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 59:03fe5e16a33c | 145 | H(i,j+6) = rotgrav(i,j); |
NaotoMorita | 74:f5fe7fecbd3c | 146 | H(i,j+15) = tdcm(i,j); |
NaotoMorita | 46:15988dc41923 | 147 | } |
NaotoMorita | 58:93ba28cf5cb3 | 148 | } |
NaotoMorita | 56:c10f1168bd4a | 149 | |
cocorlow | 78:e36a7b844fb5 | 150 | H(0,9) = -1.0f; |
NaotoMorita | 46:15988dc41923 | 151 | H(1,10) = -1.0f; |
NaotoMorita | 46:15988dc41923 | 152 | H(2,11) = -1.0f; |
NaotoMorita | 59:03fe5e16a33c | 153 | |
cocorlow | 78:e36a7b844fb5 | 154 | // Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
cocorlow | 78:e36a7b844fb5 | 155 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 156 | Vector3f zacc = -accm-tdcm*gravity; |
cocorlow | 78:e36a7b844fb5 | 157 | Vector3f z; |
cocorlow | 78:e36a7b844fb5 | 158 | z = zacc; |
NaotoMorita | 61:5e5c4fe12440 | 159 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 160 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 61:5e5c4fe12440 | 161 | |
NaotoMorita | 61:5e5c4fe12440 | 162 | fuseErr2Nominal(); |
NaotoMorita | 61:5e5c4fe12440 | 163 | } |
NaotoMorita | 70:d12e46fdc2f0 | 164 | |
cocorlow | 79:365ea9277167 | 165 | void solaESKF::updateHeading(float a, Matrix<float, 1, 1> R) |
NaotoMorita | 70:d12e46fdc2f0 | 166 | { |
cocorlow | 78:e36a7b844fb5 | 167 | float q0 = qhat(0); |
cocorlow | 78:e36a7b844fb5 | 168 | float q1 = qhat(1); |
cocorlow | 78:e36a7b844fb5 | 169 | float q2 = qhat(2); |
cocorlow | 78:e36a7b844fb5 | 170 | float q3 = qhat(3); |
NaotoMorita | 73:5770a0d470c0 | 171 | |
NaotoMorita | 73:5770a0d470c0 | 172 | bool canUseA = false; |
NaotoMorita | 80:b241c058df83 | 173 | const float SA0 = 2.0f*q3; |
NaotoMorita | 80:b241c058df83 | 174 | const float SA1 = 2.0f*q2; |
NaotoMorita | 73:5770a0d470c0 | 175 | const float SA2 = SA0*q0 + SA1*q1; |
NaotoMorita | 73:5770a0d470c0 | 176 | const float SA3 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 73:5770a0d470c0 | 177 | float SA4, SA5_inv; |
NaotoMorita | 73:5770a0d470c0 | 178 | if ((SA3*SA3) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 179 | SA4 = 1.0f/(SA3*SA3); |
NaotoMorita | 80:b241c058df83 | 180 | SA5_inv = SA2*SA2*SA4 + 1.0f; |
cocorlow | 78:e36a7b844fb5 | 181 | canUseA = std::abs(SA5_inv) > 1e-6f; |
NaotoMorita | 73:5770a0d470c0 | 182 | } |
NaotoMorita | 73:5770a0d470c0 | 183 | |
NaotoMorita | 73:5770a0d470c0 | 184 | bool canUseB = false; |
NaotoMorita | 80:b241c058df83 | 185 | const float SB0 = 2.0f*q0; |
NaotoMorita | 80:b241c058df83 | 186 | const float SB1 = 2.0f*q1; |
NaotoMorita | 73:5770a0d470c0 | 187 | const float SB2 = SB0*q3 + SB1*q2; |
NaotoMorita | 73:5770a0d470c0 | 188 | const float SB4 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 73:5770a0d470c0 | 189 | float SB3, SB5_inv; |
NaotoMorita | 73:5770a0d470c0 | 190 | if ((SB2*SB2) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 191 | SB3 = 1.0f/(SB2*SB2); |
NaotoMorita | 73:5770a0d470c0 | 192 | SB5_inv = SB3*SB4*SB4 + 1; |
cocorlow | 78:e36a7b844fb5 | 193 | canUseB = std::abs(SB5_inv) > 1e-6f; |
NaotoMorita | 73:5770a0d470c0 | 194 | } |
NaotoMorita | 73:5770a0d470c0 | 195 | |
NaotoMorita | 80:b241c058df83 | 196 | MatrixXf Hh = MatrixXf::Zero(1,4); |
NaotoMorita | 73:5770a0d470c0 | 197 | |
cocorlow | 78:e36a7b844fb5 | 198 | if (canUseA && (!canUseB || std::abs(SA5_inv) >= std::abs(SB5_inv))) { |
NaotoMorita | 80:b241c058df83 | 199 | const float SA5 = 1.0f/SA5_inv; |
NaotoMorita | 80:b241c058df83 | 200 | const float SA6 = 1.0f/SA3; |
NaotoMorita | 73:5770a0d470c0 | 201 | const float SA7 = SA2*SA4; |
NaotoMorita | 80:b241c058df83 | 202 | const float SA8 = 2.0f*SA7; |
NaotoMorita | 80:b241c058df83 | 203 | const float SA9 = 2.0f*SA6; |
NaotoMorita | 73:5770a0d470c0 | 204 | |
cocorlow | 78:e36a7b844fb5 | 205 | Hh(0,0) = SA5*(SA0*SA6 - SA8*q0); |
cocorlow | 78:e36a7b844fb5 | 206 | Hh(0,1) = SA5*(SA1*SA6 - SA8*q1); |
cocorlow | 78:e36a7b844fb5 | 207 | Hh(0,2) = SA5*(SA1*SA7 + SA9*q1); |
cocorlow | 78:e36a7b844fb5 | 208 | Hh(0,3) = SA5*(SA0*SA7 + SA9*q0); |
cocorlow | 78:e36a7b844fb5 | 209 | } else if (canUseB && (!canUseA || std::abs(SB5_inv) > std::abs(SA5_inv))) { |
NaotoMorita | 80:b241c058df83 | 210 | const float SB5 = 1.0f/SB5_inv; |
NaotoMorita | 80:b241c058df83 | 211 | const float SB6 = 1.0f/SB2; |
NaotoMorita | 73:5770a0d470c0 | 212 | const float SB7 = SB3*SB4; |
NaotoMorita | 80:b241c058df83 | 213 | const float SB8 = 2.0f*SB7; |
NaotoMorita | 80:b241c058df83 | 214 | const float SB9 = 2.0f*SB6; |
NaotoMorita | 73:5770a0d470c0 | 215 | |
cocorlow | 78:e36a7b844fb5 | 216 | Hh(0,0) = -SB5*(SB0*SB6 - SB8*q3); |
cocorlow | 78:e36a7b844fb5 | 217 | Hh(0,1) = -SB5*(SB1*SB6 - SB8*q2); |
cocorlow | 78:e36a7b844fb5 | 218 | Hh(0,2) = -SB5*(-SB1*SB7 - SB9*q2); |
cocorlow | 78:e36a7b844fb5 | 219 | Hh(0,3) = -SB5*(-SB0*SB7 - SB9*q3); |
NaotoMorita | 73:5770a0d470c0 | 220 | } else { |
NaotoMorita | 73:5770a0d470c0 | 221 | return; |
NaotoMorita | 73:5770a0d470c0 | 222 | } |
NaotoMorita | 70:d12e46fdc2f0 | 223 | |
NaotoMorita | 80:b241c058df83 | 224 | MatrixXf Hdq = MatrixXf::Zero(4,3); |
cocorlow | 78:e36a7b844fb5 | 225 | Hdq << -0.5f*q1, -0.5f*q2, -0.5f*q3, |
cocorlow | 78:e36a7b844fb5 | 226 | 0.5f*q0, -0.5f*q3, 0.5f*q2, |
cocorlow | 78:e36a7b844fb5 | 227 | 0.5f*q3, 0.5f*q0, -0.5f*q1, |
cocorlow | 78:e36a7b844fb5 | 228 | -0.5f*q2, 0.5f*q1, 0.5f*q0; |
NaotoMorita | 70:d12e46fdc2f0 | 229 | |
NaotoMorita | 80:b241c058df83 | 230 | MatrixXf Hpart = Hh*Hdq; |
NaotoMorita | 80:b241c058df83 | 231 | MatrixXf H=MatrixXf::Zero(1,nState); |
cocorlow | 78:e36a7b844fb5 | 232 | for(int j=0; j<3; j++){ |
cocorlow | 78:e36a7b844fb5 | 233 | H(0,j+6) = Hpart(0,j); |
NaotoMorita | 70:d12e46fdc2f0 | 234 | } |
NaotoMorita | 70:d12e46fdc2f0 | 235 | |
cocorlow | 78:e36a7b844fb5 | 236 | const float psi = std::atan2(qhat(1)*qhat(2) + qhat(0)*qhat(3), 0.5f - qhat(2)*qhat(2) - qhat(3)*qhat(3)); |
cocorlow | 78:e36a7b844fb5 | 237 | Matrix<float, 1, 1> z; |
cocorlow | 78:e36a7b844fb5 | 238 | z << std::atan2(std::sin(a-psi), std::cos(a-psi)); |
cocorlow | 78:e36a7b844fb5 | 239 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
NaotoMorita | 70:d12e46fdc2f0 | 240 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 241 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 70:d12e46fdc2f0 | 242 | |
NaotoMorita | 70:d12e46fdc2f0 | 243 | fuseErr2Nominal(); |
NaotoMorita | 70:d12e46fdc2f0 | 244 | } |
NaotoMorita | 80:b241c058df83 | 245 | |
NaotoMorita | 83:8f6ae61d47ac | 246 | void solaESKF::updateIMU(float palt,Vector3f acc,float heading, Matrix<float, 5, 5> R) |
NaotoMorita | 80:b241c058df83 | 247 | { |
NaotoMorita | 83:8f6ae61d47ac | 248 | MatrixXf H = MatrixXf::Zero(5,nState); |
NaotoMorita | 83:8f6ae61d47ac | 249 | |
NaotoMorita | 83:8f6ae61d47ac | 250 | |
NaotoMorita | 83:8f6ae61d47ac | 251 | H(0,2) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 252 | |
NaotoMorita | 80:b241c058df83 | 253 | Vector3f accm = acc - accBias; |
NaotoMorita | 80:b241c058df83 | 254 | Matrix3f dcm; |
NaotoMorita | 80:b241c058df83 | 255 | computeDcm(dcm, qhat); |
NaotoMorita | 80:b241c058df83 | 256 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 80:b241c058df83 | 257 | Vector3f tdcm_g = tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 258 | Matrix3f rotgrav = solaESKF::Matrixcross(tdcm_g); |
NaotoMorita | 80:b241c058df83 | 259 | |
NaotoMorita | 80:b241c058df83 | 260 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 261 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 83:8f6ae61d47ac | 262 | H(i+1,j+6) = rotgrav(i,j); |
NaotoMorita | 83:8f6ae61d47ac | 263 | H(i+1,j+15) = tdcm(i,j); |
NaotoMorita | 80:b241c058df83 | 264 | } |
NaotoMorita | 80:b241c058df83 | 265 | } |
NaotoMorita | 80:b241c058df83 | 266 | |
NaotoMorita | 83:8f6ae61d47ac | 267 | H(1,9) = -1.0f; |
NaotoMorita | 83:8f6ae61d47ac | 268 | H(2,10) = -1.0f; |
NaotoMorita | 83:8f6ae61d47ac | 269 | H(3,11) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 270 | |
NaotoMorita | 80:b241c058df83 | 271 | float q0 = qhat(0); |
NaotoMorita | 80:b241c058df83 | 272 | float q1 = qhat(1); |
NaotoMorita | 80:b241c058df83 | 273 | float q2 = qhat(2); |
NaotoMorita | 80:b241c058df83 | 274 | float q3 = qhat(3); |
NaotoMorita | 80:b241c058df83 | 275 | |
NaotoMorita | 80:b241c058df83 | 276 | bool canUseA = false; |
NaotoMorita | 80:b241c058df83 | 277 | const float SA0 = 2.0f*q3; |
NaotoMorita | 80:b241c058df83 | 278 | const float SA1 = 2.0f*q2; |
NaotoMorita | 80:b241c058df83 | 279 | const float SA2 = SA0*q0 + SA1*q1; |
NaotoMorita | 80:b241c058df83 | 280 | const float SA3 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 281 | float SA4, SA5_inv; |
NaotoMorita | 80:b241c058df83 | 282 | if ((SA3*SA3) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 283 | SA4 = 1.0f/(SA3*SA3); |
NaotoMorita | 80:b241c058df83 | 284 | SA5_inv = SA2*SA2*SA4 + 1.0f; |
NaotoMorita | 80:b241c058df83 | 285 | canUseA = std::abs(SA5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 286 | } |
NaotoMorita | 80:b241c058df83 | 287 | |
NaotoMorita | 80:b241c058df83 | 288 | bool canUseB = false; |
NaotoMorita | 80:b241c058df83 | 289 | const float SB0 = 2.0f*q0; |
NaotoMorita | 80:b241c058df83 | 290 | const float SB1 = 2.0f*q1; |
NaotoMorita | 80:b241c058df83 | 291 | const float SB2 = SB0*q3 + SB1*q2; |
NaotoMorita | 80:b241c058df83 | 292 | const float SB4 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 293 | float SB3, SB5_inv; |
NaotoMorita | 80:b241c058df83 | 294 | if ((SB2*SB2) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 295 | SB3 = 1.0f/(SB2*SB2); |
NaotoMorita | 80:b241c058df83 | 296 | SB5_inv = SB3*SB4*SB4 + 1; |
NaotoMorita | 80:b241c058df83 | 297 | canUseB = std::abs(SB5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 298 | } |
NaotoMorita | 80:b241c058df83 | 299 | |
NaotoMorita | 80:b241c058df83 | 300 | MatrixXf Hh = MatrixXf::Zero(1,4); |
NaotoMorita | 80:b241c058df83 | 301 | |
NaotoMorita | 80:b241c058df83 | 302 | if (canUseA && (!canUseB || std::abs(SA5_inv) >= std::abs(SB5_inv))) { |
NaotoMorita | 80:b241c058df83 | 303 | const float SA5 = 1.0f/SA5_inv; |
NaotoMorita | 80:b241c058df83 | 304 | const float SA6 = 1.0f/SA3; |
NaotoMorita | 80:b241c058df83 | 305 | const float SA7 = SA2*SA4; |
NaotoMorita | 80:b241c058df83 | 306 | const float SA8 = 2.0f*SA7; |
NaotoMorita | 80:b241c058df83 | 307 | const float SA9 = 2.0f*SA6; |
NaotoMorita | 80:b241c058df83 | 308 | |
NaotoMorita | 80:b241c058df83 | 309 | Hh(0,0) = SA5*(SA0*SA6 - SA8*q0); |
NaotoMorita | 80:b241c058df83 | 310 | Hh(0,1) = SA5*(SA1*SA6 - SA8*q1); |
NaotoMorita | 80:b241c058df83 | 311 | Hh(0,2) = SA5*(SA1*SA7 + SA9*q1); |
NaotoMorita | 80:b241c058df83 | 312 | Hh(0,3) = SA5*(SA0*SA7 + SA9*q0); |
NaotoMorita | 80:b241c058df83 | 313 | } else if (canUseB && (!canUseA || std::abs(SB5_inv) > std::abs(SA5_inv))) { |
NaotoMorita | 80:b241c058df83 | 314 | const float SB5 = 1.0f/SB5_inv; |
NaotoMorita | 80:b241c058df83 | 315 | const float SB6 = 1.0f/SB2; |
NaotoMorita | 80:b241c058df83 | 316 | const float SB7 = SB3*SB4; |
NaotoMorita | 80:b241c058df83 | 317 | const float SB8 = 2.0f*SB7; |
NaotoMorita | 80:b241c058df83 | 318 | const float SB9 = 2.0f*SB6; |
NaotoMorita | 80:b241c058df83 | 319 | |
NaotoMorita | 80:b241c058df83 | 320 | Hh(0,0) = -SB5*(SB0*SB6 - SB8*q3); |
NaotoMorita | 80:b241c058df83 | 321 | Hh(0,1) = -SB5*(SB1*SB6 - SB8*q2); |
NaotoMorita | 80:b241c058df83 | 322 | Hh(0,2) = -SB5*(-SB1*SB7 - SB9*q2); |
NaotoMorita | 80:b241c058df83 | 323 | Hh(0,3) = -SB5*(-SB0*SB7 - SB9*q3); |
NaotoMorita | 80:b241c058df83 | 324 | } else { |
NaotoMorita | 80:b241c058df83 | 325 | return; |
NaotoMorita | 80:b241c058df83 | 326 | } |
NaotoMorita | 80:b241c058df83 | 327 | |
NaotoMorita | 80:b241c058df83 | 328 | MatrixXf Hdq = MatrixXf::Zero(4,3); |
NaotoMorita | 80:b241c058df83 | 329 | Hdq << -0.5f*q1, -0.5f*q2, -0.5f*q3, |
NaotoMorita | 80:b241c058df83 | 330 | 0.5f*q0, -0.5f*q3, 0.5f*q2, |
NaotoMorita | 80:b241c058df83 | 331 | 0.5f*q3, 0.5f*q0, -0.5f*q1, |
NaotoMorita | 80:b241c058df83 | 332 | -0.5f*q2, 0.5f*q1, 0.5f*q0; |
NaotoMorita | 80:b241c058df83 | 333 | |
NaotoMorita | 80:b241c058df83 | 334 | MatrixXf Hpart = Hh*Hdq; |
NaotoMorita | 80:b241c058df83 | 335 | for(int j=0; j<3; j++){ |
NaotoMorita | 83:8f6ae61d47ac | 336 | H(4,j+6) = Hpart(0,j); |
NaotoMorita | 80:b241c058df83 | 337 | } |
NaotoMorita | 80:b241c058df83 | 338 | |
NaotoMorita | 83:8f6ae61d47ac | 339 | |
NaotoMorita | 83:8f6ae61d47ac | 340 | |
NaotoMorita | 80:b241c058df83 | 341 | const float psi = std::atan2(qhat(1)*qhat(2) + qhat(0)*qhat(3), 0.5f - qhat(2)*qhat(2) - qhat(3)*qhat(3)); |
NaotoMorita | 80:b241c058df83 | 342 | Vector3f zacc = -accm-tdcm*gravity; |
NaotoMorita | 83:8f6ae61d47ac | 343 | VectorXf z = VectorXf::Zero(5); |
NaotoMorita | 83:8f6ae61d47ac | 344 | z << palt-pihat(2),zacc(0),zacc(1),zacc(2),std::atan2(std::sin(heading-psi), std::cos(heading-psi)); |
NaotoMorita | 80:b241c058df83 | 345 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
NaotoMorita | 80:b241c058df83 | 346 | errState = K * z; |
NaotoMorita | 80:b241c058df83 | 347 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 80:b241c058df83 | 348 | |
NaotoMorita | 80:b241c058df83 | 349 | fuseErr2Nominal(); |
NaotoMorita | 80:b241c058df83 | 350 | } |
cocorlow | 78:e36a7b844fb5 | 351 | void solaESKF::updateGPSPosition(Vector3f posgps,float palt,Matrix3f R) |
NaotoMorita | 65:c25d7810de44 | 352 | { |
NaotoMorita | 80:b241c058df83 | 353 | MatrixXf H = MatrixXf::Zero(3,nState); |
cocorlow | 78:e36a7b844fb5 | 354 | H(0,0) = 1.0f; |
NaotoMorita | 74:f5fe7fecbd3c | 355 | H(1,1) = 1.0f; |
NaotoMorita | 74:f5fe7fecbd3c | 356 | H(2,2) = 1.0f; |
NaotoMorita | 65:c25d7810de44 | 357 | |
NaotoMorita | 74:f5fe7fecbd3c | 358 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 74:f5fe7fecbd3c | 359 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
cocorlow | 78:e36a7b844fb5 | 360 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 361 | Vector3f z; |
cocorlow | 78:e36a7b844fb5 | 362 | z << posgps(0)-pihat(0), posgps(1)-pihat(1), palt - pihat(2); |
NaotoMorita | 65:c25d7810de44 | 363 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 364 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 74:f5fe7fecbd3c | 365 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 74:f5fe7fecbd3c | 366 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 65:c25d7810de44 | 367 | fuseErr2Nominal(); |
NaotoMorita | 65:c25d7810de44 | 368 | } |
cocorlow | 78:e36a7b844fb5 | 369 | void solaESKF::updateGPSVelocity(Vector3f velgps,Matrix3f R) |
NaotoMorita | 75:e2c825cdc511 | 370 | { |
NaotoMorita | 80:b241c058df83 | 371 | MatrixXf H = MatrixXf::Zero(3,nState); |
cocorlow | 78:e36a7b844fb5 | 372 | H(0,3) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 373 | H(1,4) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 374 | H(2,5) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 375 | |
NaotoMorita | 75:e2c825cdc511 | 376 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 75:e2c825cdc511 | 377 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
cocorlow | 78:e36a7b844fb5 | 378 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 379 | Vector3f z; |
cocorlow | 78:e36a7b844fb5 | 380 | z << velgps(0)-vihat(0), velgps(1)-vihat(1), velgps(2)-vihat(2); |
NaotoMorita | 75:e2c825cdc511 | 381 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 382 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 75:e2c825cdc511 | 383 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 75:e2c825cdc511 | 384 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 75:e2c825cdc511 | 385 | fuseErr2Nominal(); |
NaotoMorita | 75:e2c825cdc511 | 386 | } |
NaotoMorita | 65:c25d7810de44 | 387 | |
NaotoMorita | 80:b241c058df83 | 388 | void solaESKF::updateWhole(Vector3f posgps, float palt, Vector3f velgps,Vector3f acc,float heading, MatrixXf R) |
NaotoMorita | 80:b241c058df83 | 389 | { |
NaotoMorita | 80:b241c058df83 | 390 | MatrixXf H = MatrixXf::Zero(9,nState); |
NaotoMorita | 80:b241c058df83 | 391 | H(0,0) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 392 | H(1,1) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 393 | H(2,2) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 394 | H(3,3) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 395 | H(4,4) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 396 | |
NaotoMorita | 80:b241c058df83 | 397 | Vector3f accm = acc - accBias; |
NaotoMorita | 80:b241c058df83 | 398 | Matrix3f dcm; |
NaotoMorita | 80:b241c058df83 | 399 | computeDcm(dcm, qhat); |
NaotoMorita | 80:b241c058df83 | 400 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 80:b241c058df83 | 401 | Vector3f tdcm_g = tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 402 | Matrix3f rotgrav = solaESKF::Matrixcross(tdcm_g); |
NaotoMorita | 80:b241c058df83 | 403 | |
NaotoMorita | 80:b241c058df83 | 404 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 405 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 80:b241c058df83 | 406 | H(i+5,j+6) = rotgrav(i,j); |
NaotoMorita | 80:b241c058df83 | 407 | H(i+5,j+15) = tdcm(i,j); |
NaotoMorita | 80:b241c058df83 | 408 | } |
NaotoMorita | 80:b241c058df83 | 409 | } |
NaotoMorita | 80:b241c058df83 | 410 | |
NaotoMorita | 80:b241c058df83 | 411 | H(5,9) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 412 | H(6,10) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 413 | H(7,11) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 414 | |
NaotoMorita | 80:b241c058df83 | 415 | float q0 = qhat(0); |
NaotoMorita | 80:b241c058df83 | 416 | float q1 = qhat(1); |
NaotoMorita | 80:b241c058df83 | 417 | float q2 = qhat(2); |
NaotoMorita | 80:b241c058df83 | 418 | float q3 = qhat(3); |
NaotoMorita | 80:b241c058df83 | 419 | |
NaotoMorita | 80:b241c058df83 | 420 | bool canUseA = false; |
NaotoMorita | 80:b241c058df83 | 421 | const float SA0 = 2.0f*q3; |
NaotoMorita | 80:b241c058df83 | 422 | const float SA1 = 2.0f*q2; |
NaotoMorita | 80:b241c058df83 | 423 | const float SA2 = SA0*q0 + SA1*q1; |
NaotoMorita | 80:b241c058df83 | 424 | const float SA3 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 425 | float SA4, SA5_inv; |
NaotoMorita | 80:b241c058df83 | 426 | if ((SA3*SA3) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 427 | SA4 = 1.0f/(SA3*SA3); |
NaotoMorita | 80:b241c058df83 | 428 | SA5_inv = SA2*SA2*SA4 + 1.0f; |
NaotoMorita | 80:b241c058df83 | 429 | canUseA = std::abs(SA5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 430 | } |
NaotoMorita | 80:b241c058df83 | 431 | |
NaotoMorita | 80:b241c058df83 | 432 | bool canUseB = false; |
NaotoMorita | 80:b241c058df83 | 433 | const float SB0 = 2.0f*q0; |
NaotoMorita | 80:b241c058df83 | 434 | const float SB1 = 2.0f*q1; |
NaotoMorita | 80:b241c058df83 | 435 | const float SB2 = SB0*q3 + SB1*q2; |
NaotoMorita | 80:b241c058df83 | 436 | const float SB4 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 437 | float SB3, SB5_inv; |
NaotoMorita | 80:b241c058df83 | 438 | if ((SB2*SB2) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 439 | SB3 = 1.0f/(SB2*SB2); |
NaotoMorita | 80:b241c058df83 | 440 | SB5_inv = SB3*SB4*SB4 + 1; |
NaotoMorita | 80:b241c058df83 | 441 | canUseB = std::abs(SB5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 442 | } |
NaotoMorita | 80:b241c058df83 | 443 | |
NaotoMorita | 80:b241c058df83 | 444 | MatrixXf Hh = MatrixXf::Zero(1,4); |
NaotoMorita | 80:b241c058df83 | 445 | |
NaotoMorita | 80:b241c058df83 | 446 | if (canUseA && (!canUseB || std::abs(SA5_inv) >= std::abs(SB5_inv))) { |
NaotoMorita | 80:b241c058df83 | 447 | const float SA5 = 1.0f/SA5_inv; |
NaotoMorita | 80:b241c058df83 | 448 | const float SA6 = 1.0f/SA3; |
NaotoMorita | 80:b241c058df83 | 449 | const float SA7 = SA2*SA4; |
NaotoMorita | 80:b241c058df83 | 450 | const float SA8 = 2.0f*SA7; |
NaotoMorita | 80:b241c058df83 | 451 | const float SA9 = 2.0f*SA6; |
NaotoMorita | 80:b241c058df83 | 452 | |
NaotoMorita | 80:b241c058df83 | 453 | Hh(0,0) = SA5*(SA0*SA6 - SA8*q0); |
NaotoMorita | 80:b241c058df83 | 454 | Hh(0,1) = SA5*(SA1*SA6 - SA8*q1); |
NaotoMorita | 80:b241c058df83 | 455 | Hh(0,2) = SA5*(SA1*SA7 + SA9*q1); |
NaotoMorita | 80:b241c058df83 | 456 | Hh(0,3) = SA5*(SA0*SA7 + SA9*q0); |
NaotoMorita | 80:b241c058df83 | 457 | } else if (canUseB && (!canUseA || std::abs(SB5_inv) > std::abs(SA5_inv))) { |
NaotoMorita | 80:b241c058df83 | 458 | const float SB5 = 1.0f/SB5_inv; |
NaotoMorita | 80:b241c058df83 | 459 | const float SB6 = 1.0f/SB2; |
NaotoMorita | 80:b241c058df83 | 460 | const float SB7 = SB3*SB4; |
NaotoMorita | 80:b241c058df83 | 461 | const float SB8 = 2.0f*SB7; |
NaotoMorita | 80:b241c058df83 | 462 | const float SB9 = 2.0f*SB6; |
NaotoMorita | 80:b241c058df83 | 463 | |
NaotoMorita | 80:b241c058df83 | 464 | Hh(0,0) = -SB5*(SB0*SB6 - SB8*q3); |
NaotoMorita | 80:b241c058df83 | 465 | Hh(0,1) = -SB5*(SB1*SB6 - SB8*q2); |
NaotoMorita | 80:b241c058df83 | 466 | Hh(0,2) = -SB5*(-SB1*SB7 - SB9*q2); |
NaotoMorita | 80:b241c058df83 | 467 | Hh(0,3) = -SB5*(-SB0*SB7 - SB9*q3); |
NaotoMorita | 80:b241c058df83 | 468 | } else { |
NaotoMorita | 80:b241c058df83 | 469 | return; |
NaotoMorita | 80:b241c058df83 | 470 | } |
NaotoMorita | 80:b241c058df83 | 471 | |
NaotoMorita | 80:b241c058df83 | 472 | MatrixXf Hdq = MatrixXf::Zero(4,3); |
NaotoMorita | 80:b241c058df83 | 473 | Hdq << -0.5f*q1, -0.5f*q2, -0.5f*q3, |
NaotoMorita | 80:b241c058df83 | 474 | 0.5f*q0, -0.5f*q3, 0.5f*q2, |
NaotoMorita | 80:b241c058df83 | 475 | 0.5f*q3, 0.5f*q0, -0.5f*q1, |
NaotoMorita | 80:b241c058df83 | 476 | -0.5f*q2, 0.5f*q1, 0.5f*q0; |
NaotoMorita | 80:b241c058df83 | 477 | |
NaotoMorita | 80:b241c058df83 | 478 | MatrixXf Hpart = Hh*Hdq; |
NaotoMorita | 80:b241c058df83 | 479 | for(int j=0; j<3; j++){ |
NaotoMorita | 80:b241c058df83 | 480 | H(8,j+6) = Hpart(0,j); |
NaotoMorita | 80:b241c058df83 | 481 | } |
NaotoMorita | 80:b241c058df83 | 482 | |
NaotoMorita | 80:b241c058df83 | 483 | const float psi = std::atan2(qhat(1)*qhat(2) + qhat(0)*qhat(3), 0.5f - qhat(2)*qhat(2) - qhat(3)*qhat(3)); |
NaotoMorita | 80:b241c058df83 | 484 | Vector3f zacc = -accm-tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 485 | VectorXf z = VectorXf::Zero(9); |
NaotoMorita | 80:b241c058df83 | 486 | z << posgps(0)-pihat(0), posgps(1)-pihat(1), palt-pihat(2), velgps(0)-vihat(0), velgps(1)-vihat(1), zacc(0),zacc(1),zacc(2),std::atan2(std::sin(heading-psi), std::cos(heading-psi)); |
NaotoMorita | 80:b241c058df83 | 487 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
NaotoMorita | 80:b241c058df83 | 488 | errState = K * z; |
NaotoMorita | 80:b241c058df83 | 489 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 80:b241c058df83 | 490 | |
NaotoMorita | 80:b241c058df83 | 491 | fuseErr2Nominal(); |
NaotoMorita | 80:b241c058df83 | 492 | |
NaotoMorita | 80:b241c058df83 | 493 | } |
NaotoMorita | 80:b241c058df83 | 494 | |
cocorlow | 78:e36a7b844fb5 | 495 | void solaESKF::updateGPS(Vector3f posgps, float palt, Vector3f velgps, MatrixXf R) |
NaotoMorita | 58:93ba28cf5cb3 | 496 | { |
NaotoMorita | 80:b241c058df83 | 497 | MatrixXf H = MatrixXf::Zero(5,nState); |
cocorlow | 78:e36a7b844fb5 | 498 | H(0,0) = 1.0f; |
NaotoMorita | 46:15988dc41923 | 499 | H(1,1) = 1.0f; |
NaotoMorita | 46:15988dc41923 | 500 | H(2,2) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 501 | H(3,3) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 502 | H(4,4) = 1.0f; |
cocorlow | 78:e36a7b844fb5 | 503 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 504 | Matrix<float, 5, 1> z; |
cocorlow | 78:e36a7b844fb5 | 505 | z << posgps(0)-pihat(0), posgps(1)-pihat(1), palt-pihat(2), velgps(0)-vihat(0), velgps(1)-vihat(1); |
NaotoMorita | 58:93ba28cf5cb3 | 506 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 507 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 58:93ba28cf5cb3 | 508 | fuseErr2Nominal(); |
NaotoMorita | 58:93ba28cf5cb3 | 509 | } |
NaotoMorita | 58:93ba28cf5cb3 | 510 | |
NaotoMorita | 46:15988dc41923 | 511 | |
cocorlow | 78:e36a7b844fb5 | 512 | Vector3f solaESKF::computeAngles() |
NaotoMorita | 25:07ac5c6cd61c | 513 | { |
NaotoMorita | 25:07ac5c6cd61c | 514 | |
cocorlow | 78:e36a7b844fb5 | 515 | Vector3f euler; |
cocorlow | 78:e36a7b844fb5 | 516 | euler(0) = std::atan2(qhat(0)*qhat(1) + qhat(2)*qhat(3), 0.5f - qhat(1)*qhat(1) - qhat(2)*qhat(2)); |
cocorlow | 78:e36a7b844fb5 | 517 | euler(1) = std::asin(-2.0f * (qhat(1)*qhat(3) - qhat(0)*qhat(2))); |
cocorlow | 78:e36a7b844fb5 | 518 | euler(2) = std::atan2(qhat(1)*qhat(2) + qhat(0)*qhat(3), 0.5f - qhat(2)*qhat(2) - qhat(3)*qhat(3)); |
NaotoMorita | 44:7d82e63b6a86 | 519 | return euler; |
NaotoMorita | 19:3fae66745363 | 520 | } |
NaotoMorita | 19:3fae66745363 | 521 | |
NaotoMorita | 21:d6079def0473 | 522 | |
NaotoMorita | 44:7d82e63b6a86 | 523 | void solaESKF::fuseErr2Nominal() |
NaotoMorita | 19:3fae66745363 | 524 | { |
NaotoMorita | 44:7d82e63b6a86 | 525 | //position |
cocorlow | 78:e36a7b844fb5 | 526 | pihat(0) += errState(0); |
cocorlow | 78:e36a7b844fb5 | 527 | pihat(1) += errState(1); |
cocorlow | 78:e36a7b844fb5 | 528 | pihat(2) += errState(2); |
NaotoMorita | 44:7d82e63b6a86 | 529 | |
NaotoMorita | 44:7d82e63b6a86 | 530 | //velocity |
cocorlow | 78:e36a7b844fb5 | 531 | vihat(0) += errState(3); |
cocorlow | 78:e36a7b844fb5 | 532 | vihat(1) += errState(4); |
cocorlow | 78:e36a7b844fb5 | 533 | vihat(2) += errState(5); |
NaotoMorita | 44:7d82e63b6a86 | 534 | |
NaotoMorita | 44:7d82e63b6a86 | 535 | //angle error |
cocorlow | 78:e36a7b844fb5 | 536 | Vector4f qerr; |
cocorlow | 78:e36a7b844fb5 | 537 | qerr << 1.0f, 0.5f*errState(6), 0.5f*errState(7), 0.5f*errState(8); |
NaotoMorita | 19:3fae66745363 | 538 | qhat = quatmultiply(qhat, qerr); |
cocorlow | 78:e36a7b844fb5 | 539 | qhat.normalize(); |
NaotoMorita | 23:1509648c2318 | 540 | |
NaotoMorita | 44:7d82e63b6a86 | 541 | //acc bias |
cocorlow | 78:e36a7b844fb5 | 542 | accBias(0) += errState(9); |
cocorlow | 78:e36a7b844fb5 | 543 | accBias(1) += errState(10); |
cocorlow | 78:e36a7b844fb5 | 544 | accBias(2) += errState(11); |
NaotoMorita | 44:7d82e63b6a86 | 545 | |
NaotoMorita | 44:7d82e63b6a86 | 546 | //gyro bias |
cocorlow | 78:e36a7b844fb5 | 547 | gyroBias(0) += errState(12); |
cocorlow | 78:e36a7b844fb5 | 548 | gyroBias(1) += errState(13); |
cocorlow | 78:e36a7b844fb5 | 549 | gyroBias(2) += errState(14); |
NaotoMorita | 44:7d82e63b6a86 | 550 | |
NaotoMorita | 44:7d82e63b6a86 | 551 | //gravity bias |
cocorlow | 78:e36a7b844fb5 | 552 | gravity(0) += errState(15); |
cocorlow | 78:e36a7b844fb5 | 553 | gravity(1) += errState(16); |
cocorlow | 78:e36a7b844fb5 | 554 | gravity(2) += errState(17); |
NaotoMorita | 62:5519d34eb6e8 | 555 | |
cocorlow | 78:e36a7b844fb5 | 556 | errState = VectorXf::Zero(nState); |
NaotoMorita | 19:3fae66745363 | 557 | } |
NaotoMorita | 19:3fae66745363 | 558 | |
NaotoMorita | 85:552fe30e7f51 | 559 | void solaESKF::fuseCenter2Nominal(VectorXf errVal) |
NaotoMorita | 84:fb14acabefd3 | 560 | { |
NaotoMorita | 84:fb14acabefd3 | 561 | //position |
NaotoMorita | 84:fb14acabefd3 | 562 | pihat(0) += errVal(0); |
NaotoMorita | 84:fb14acabefd3 | 563 | pihat(1) += errVal(1); |
NaotoMorita | 84:fb14acabefd3 | 564 | pihat(2) += errVal(2); |
NaotoMorita | 84:fb14acabefd3 | 565 | |
NaotoMorita | 84:fb14acabefd3 | 566 | //velocity |
NaotoMorita | 84:fb14acabefd3 | 567 | vihat(0) += errVal(3); |
NaotoMorita | 84:fb14acabefd3 | 568 | vihat(1) += errVal(4); |
NaotoMorita | 84:fb14acabefd3 | 569 | vihat(2) += errVal(5); |
NaotoMorita | 84:fb14acabefd3 | 570 | |
NaotoMorita | 84:fb14acabefd3 | 571 | //angle error |
NaotoMorita | 84:fb14acabefd3 | 572 | Vector4f qerr; |
NaotoMorita | 84:fb14acabefd3 | 573 | qerr << 1.0f, 0.5f*errVal(6), 0.5f*errVal(7), 0.5f*errVal(8); |
NaotoMorita | 84:fb14acabefd3 | 574 | qhat = quatmultiply(qhat, qerr); |
NaotoMorita | 84:fb14acabefd3 | 575 | qhat.normalize(); |
NaotoMorita | 84:fb14acabefd3 | 576 | |
NaotoMorita | 84:fb14acabefd3 | 577 | //acc bias |
NaotoMorita | 84:fb14acabefd3 | 578 | accBias(0) += errVal(9); |
NaotoMorita | 84:fb14acabefd3 | 579 | accBias(1) += errVal(10); |
NaotoMorita | 84:fb14acabefd3 | 580 | accBias(2) += errVal(11); |
NaotoMorita | 84:fb14acabefd3 | 581 | |
NaotoMorita | 84:fb14acabefd3 | 582 | //gyro bias |
NaotoMorita | 84:fb14acabefd3 | 583 | gyroBias(0) += errVal(12); |
NaotoMorita | 84:fb14acabefd3 | 584 | gyroBias(1) += errVal(13); |
NaotoMorita | 84:fb14acabefd3 | 585 | gyroBias(2) += errVal(14); |
NaotoMorita | 84:fb14acabefd3 | 586 | |
NaotoMorita | 84:fb14acabefd3 | 587 | //gravity bias |
NaotoMorita | 84:fb14acabefd3 | 588 | //gravity(0) += errVal(15); |
NaotoMorita | 84:fb14acabefd3 | 589 | //gravity(1) += errVal(16); |
NaotoMorita | 84:fb14acabefd3 | 590 | //gravity(2) += errVal(17); |
NaotoMorita | 84:fb14acabefd3 | 591 | } |
NaotoMorita | 84:fb14acabefd3 | 592 | |
cocorlow | 78:e36a7b844fb5 | 593 | Vector4f solaESKF::quatmultiply(Vector4f p, Vector4f q) |
NaotoMorita | 19:3fae66745363 | 594 | { |
cocorlow | 78:e36a7b844fb5 | 595 | Vector4f qout; |
cocorlow | 78:e36a7b844fb5 | 596 | qout(0) = p(0)*q(0) - p(1)*q(1) - p(2)*q(2) - p(3)*q(3); |
cocorlow | 78:e36a7b844fb5 | 597 | qout(1) = p(0)*q(1) + p(1)*q(0) + p(2)*q(3) - p(3)*q(2); |
cocorlow | 78:e36a7b844fb5 | 598 | qout(2) = p(0)*q(2) - p(1)*q(3) + p(2)*q(0) + p(3)*q(1); |
cocorlow | 78:e36a7b844fb5 | 599 | qout(3) = p(0)*q(3) + p(1)*q(2) - p(2)*q(1) + p(3)*q(0); |
cocorlow | 78:e36a7b844fb5 | 600 | // qout.normalize(); |
NaotoMorita | 19:3fae66745363 | 601 | return qout; |
NaotoMorita | 19:3fae66745363 | 602 | } |
NaotoMorita | 19:3fae66745363 | 603 | |
cocorlow | 78:e36a7b844fb5 | 604 | void solaESKF::computeDcm(Matrix3f& dcm, Vector4f quat) |
NaotoMorita | 19:3fae66745363 | 605 | { |
cocorlow | 78:e36a7b844fb5 | 606 | // 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); |
cocorlow | 78:e36a7b844fb5 | 607 | // dcm(1,2) = 2.0f*(quat(2,1)*quat(3,1) - quat(1,1)*quat(4,1)); |
cocorlow | 78:e36a7b844fb5 | 608 | // dcm(1,3) = 2.0f*(quat(2,1)*quat(4,1) + quat(1,1)*quat(3,1)); |
cocorlow | 78:e36a7b844fb5 | 609 | // dcm(2,1) = 2.0f*(quat(2,1)*quat(3,1) + quat(1,1)*quat(4,1)); |
cocorlow | 78:e36a7b844fb5 | 610 | // 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); |
cocorlow | 78:e36a7b844fb5 | 611 | // dcm(2,3) = 2.0f*(quat(3,1)*quat(4,1) - quat(1,1)*quat(2,1)); |
cocorlow | 78:e36a7b844fb5 | 612 | // dcm(3,1) = 2.0f*(quat(2,1)*quat(4,1) - quat(1,1)*quat(3,1)); |
cocorlow | 78:e36a7b844fb5 | 613 | // dcm(3,2) = 2.0f*(quat(3,1)*quat(4,1) + quat(1,1)*quat(2,1)); |
cocorlow | 78:e36a7b844fb5 | 614 | // 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); |
cocorlow | 78:e36a7b844fb5 | 615 | |
cocorlow | 78:e36a7b844fb5 | 616 | dcm(0,0) = quat(0)*quat(0) + quat(1)*quat(1) - quat(2)*quat(2) - quat(3)*quat(3); |
cocorlow | 78:e36a7b844fb5 | 617 | dcm(0,1) = 2.0f*(quat(1)*quat(2) - quat(0)*quat(3)); |
cocorlow | 78:e36a7b844fb5 | 618 | dcm(0,2) = 2.0f*(quat(1)*quat(3) + quat(0)*quat(2)); |
cocorlow | 78:e36a7b844fb5 | 619 | dcm(1,0) = 2.0f*(quat(1)*quat(2) + quat(0)*quat(3)); |
cocorlow | 78:e36a7b844fb5 | 620 | dcm(1,1) = quat(0)*quat(0) - quat(1)*quat(1) + quat(2)*quat(2) - quat(3)*quat(3); |
cocorlow | 78:e36a7b844fb5 | 621 | dcm(1,2) = 2.0f*(quat(2)*quat(3) - quat(0)*quat(1)); |
cocorlow | 78:e36a7b844fb5 | 622 | dcm(2,0) = 2.0f*(quat(1)*quat(3) - quat(0)*quat(2)); |
cocorlow | 78:e36a7b844fb5 | 623 | dcm(2,1) = 2.0f*(quat(2)*quat(3) + quat(0)*quat(1)); |
cocorlow | 78:e36a7b844fb5 | 624 | dcm(2,2) = quat(0)*quat(0) - quat(1)*quat(1) - quat(2)*quat(2) + quat(3)*quat(3); |
NaotoMorita | 19:3fae66745363 | 625 | } |
NaotoMorita | 19:3fae66745363 | 626 | |
NaotoMorita | 44:7d82e63b6a86 | 627 | void solaESKF::setQhat(float ex,float ey,float ez) |
NaotoMorita | 44:7d82e63b6a86 | 628 | { |
cocorlow | 78:e36a7b844fb5 | 629 | float cos_z_2 = std::cos(0.5f*ez); |
cocorlow | 78:e36a7b844fb5 | 630 | float cos_y_2 = std::cos(0.5f*ey); |
cocorlow | 78:e36a7b844fb5 | 631 | float cos_x_2 = std::cos(0.5f*ex); |
NaotoMorita | 19:3fae66745363 | 632 | |
cocorlow | 78:e36a7b844fb5 | 633 | float sin_z_2 = std::sin(0.5f*ez); |
cocorlow | 78:e36a7b844fb5 | 634 | float sin_y_2 = std::sin(0.5f*ey); |
cocorlow | 78:e36a7b844fb5 | 635 | float sin_x_2 = std::sin(0.5f*ex); |
NaotoMorita | 19:3fae66745363 | 636 | |
NaotoMorita | 19:3fae66745363 | 637 | // and now compute quaternion |
cocorlow | 78:e36a7b844fb5 | 638 | qhat(0) = cos_z_2*cos_y_2*cos_x_2 + sin_z_2*sin_y_2*sin_x_2; |
cocorlow | 78:e36a7b844fb5 | 639 | qhat(1) = cos_z_2*cos_y_2*sin_x_2 - sin_z_2*sin_y_2*cos_x_2; |
cocorlow | 78:e36a7b844fb5 | 640 | qhat(2) = cos_z_2*sin_y_2*cos_x_2 + sin_z_2*cos_y_2*sin_x_2; |
cocorlow | 78:e36a7b844fb5 | 641 | qhat(3) = sin_z_2*cos_y_2*cos_x_2 - cos_z_2*sin_y_2*sin_x_2; |
NaotoMorita | 19:3fae66745363 | 642 | } |
NaotoMorita | 19:3fae66745363 | 643 | |
cocorlow | 78:e36a7b844fb5 | 644 | Vector3f solaESKF::calcDynAcc(Vector3f acc) |
NaotoMorita | 75:e2c825cdc511 | 645 | { |
cocorlow | 78:e36a7b844fb5 | 646 | Vector3f accm = acc - accBias; |
NaotoMorita | 80:b241c058df83 | 647 | Matrix3f dcm; |
NaotoMorita | 80:b241c058df83 | 648 | computeDcm(dcm, qhat); |
NaotoMorita | 80:b241c058df83 | 649 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 75:e2c825cdc511 | 650 | |
cocorlow | 78:e36a7b844fb5 | 651 | Vector3f dynAcc = accm+tdcm*gravity; |
NaotoMorita | 75:e2c825cdc511 | 652 | return dynAcc; |
NaotoMorita | 75:e2c825cdc511 | 653 | } |
NaotoMorita | 47:2467de40951f | 654 | |
NaotoMorita | 83:8f6ae61d47ac | 655 | Vector3f solaESKF::calcVb() |
NaotoMorita | 82:662b810155e9 | 656 | { |
NaotoMorita | 82:662b810155e9 | 657 | Matrix3f dcm; |
NaotoMorita | 82:662b810155e9 | 658 | computeDcm(dcm, qhat); |
NaotoMorita | 82:662b810155e9 | 659 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 82:662b810155e9 | 660 | |
NaotoMorita | 82:662b810155e9 | 661 | Vector3f Vb = tdcm*vihat; |
NaotoMorita | 83:8f6ae61d47ac | 662 | return Vb; |
NaotoMorita | 82:662b810155e9 | 663 | } |
NaotoMorita | 82:662b810155e9 | 664 | |
NaotoMorita | 47:2467de40951f | 665 | |
NaotoMorita | 44:7d82e63b6a86 | 666 | void solaESKF::setGravity(float gx,float gy,float gz) |
NaotoMorita | 23:1509648c2318 | 667 | { |
cocorlow | 78:e36a7b844fb5 | 668 | gravity(0) = gx; |
cocorlow | 78:e36a7b844fb5 | 669 | gravity(1) = gy; |
cocorlow | 78:e36a7b844fb5 | 670 | gravity(2) = gz; |
NaotoMorita | 23:1509648c2318 | 671 | } |
NaotoMorita | 62:5519d34eb6e8 | 672 | |
cocorlow | 78:e36a7b844fb5 | 673 | Vector3f solaESKF::getPihat() |
NaotoMorita | 47:2467de40951f | 674 | { |
NaotoMorita | 47:2467de40951f | 675 | return pihat; |
NaotoMorita | 47:2467de40951f | 676 | } |
cocorlow | 78:e36a7b844fb5 | 677 | Vector3f solaESKF::getVihat() |
NaotoMorita | 47:2467de40951f | 678 | { |
NaotoMorita | 47:2467de40951f | 679 | return vihat; |
NaotoMorita | 47:2467de40951f | 680 | } |
cocorlow | 78:e36a7b844fb5 | 681 | Vector4f solaESKF::getQhat() |
NaotoMorita | 47:2467de40951f | 682 | { |
NaotoMorita | 47:2467de40951f | 683 | return qhat; |
NaotoMorita | 47:2467de40951f | 684 | } |
cocorlow | 78:e36a7b844fb5 | 685 | Vector3f solaESKF::getAccBias() |
NaotoMorita | 47:2467de40951f | 686 | { |
NaotoMorita | 47:2467de40951f | 687 | return accBias; |
NaotoMorita | 47:2467de40951f | 688 | } |
cocorlow | 78:e36a7b844fb5 | 689 | Vector3f solaESKF::getGyroBias() |
NaotoMorita | 47:2467de40951f | 690 | { |
NaotoMorita | 47:2467de40951f | 691 | return gyroBias; |
NaotoMorita | 47:2467de40951f | 692 | } |
cocorlow | 78:e36a7b844fb5 | 693 | Vector3f solaESKF::getGravity() |
NaotoMorita | 47:2467de40951f | 694 | { |
NaotoMorita | 47:2467de40951f | 695 | return gravity; |
NaotoMorita | 47:2467de40951f | 696 | } |
NaotoMorita | 74:f5fe7fecbd3c | 697 | |
cocorlow | 78:e36a7b844fb5 | 698 | VectorXf solaESKF::getErrState() |
NaotoMorita | 47:2467de40951f | 699 | { |
NaotoMorita | 47:2467de40951f | 700 | return errState; |
NaotoMorita | 47:2467de40951f | 701 | } |
NaotoMorita | 23:1509648c2318 | 702 | |
NaotoMorita | 80:b241c058df83 | 703 | VectorXf solaESKF::getState() |
NaotoMorita | 47:2467de40951f | 704 | { |
NaotoMorita | 80:b241c058df83 | 705 | VectorXf state = VectorXf::Zero(nState+1); |
NaotoMorita | 80:b241c058df83 | 706 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 707 | state(i) = pihat(i); |
NaotoMorita | 80:b241c058df83 | 708 | state(i+3) = vihat(i); |
NaotoMorita | 80:b241c058df83 | 709 | } |
NaotoMorita | 80:b241c058df83 | 710 | for (int i = 0; i < 4; i++){ |
NaotoMorita | 80:b241c058df83 | 711 | state(i+6) = qhat(i); |
NaotoMorita | 80:b241c058df83 | 712 | } |
NaotoMorita | 80:b241c058df83 | 713 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 714 | state(i+10) = accBias(i); |
NaotoMorita | 80:b241c058df83 | 715 | state(i+13) = gyroBias(i); |
NaotoMorita | 80:b241c058df83 | 716 | state(i+16) = gravity(i); |
NaotoMorita | 80:b241c058df83 | 717 | } |
NaotoMorita | 80:b241c058df83 | 718 | return state; |
NaotoMorita | 47:2467de40951f | 719 | } |
NaotoMorita | 80:b241c058df83 | 720 | |
NaotoMorita | 80:b241c058df83 | 721 | VectorXf solaESKF::getVariance() |
NaotoMorita | 47:2467de40951f | 722 | { |
NaotoMorita | 80:b241c058df83 | 723 | VectorXf variance = VectorXf::Zero(nState); |
NaotoMorita | 80:b241c058df83 | 724 | for (int i = 0; i < nState; i++){ |
NaotoMorita | 80:b241c058df83 | 725 | variance(i) = Phat(i,i); |
NaotoMorita | 80:b241c058df83 | 726 | } |
NaotoMorita | 80:b241c058df83 | 727 | return variance; |
NaotoMorita | 80:b241c058df83 | 728 | } |
NaotoMorita | 80:b241c058df83 | 729 | |
NaotoMorita | 80:b241c058df83 | 730 | void solaESKF::setPhatPosition(float valNE,float valD) |
NaotoMorita | 80:b241c058df83 | 731 | { |
NaotoMorita | 80:b241c058df83 | 732 | setBlockDiag(Phat, valNE, 0,2); |
NaotoMorita | 80:b241c058df83 | 733 | Phat(2,2) = valD; |
NaotoMorita | 80:b241c058df83 | 734 | } |
NaotoMorita | 80:b241c058df83 | 735 | void solaESKF::setPhatVelocity(float valNE,float valD) |
NaotoMorita | 80:b241c058df83 | 736 | { |
NaotoMorita | 80:b241c058df83 | 737 | setBlockDiag(Phat, valNE, 3,5); |
NaotoMorita | 80:b241c058df83 | 738 | Phat(5,5) = valD; |
NaotoMorita | 47:2467de40951f | 739 | } |
NaotoMorita | 47:2467de40951f | 740 | void solaESKF::setPhatAngleError(float val) |
NaotoMorita | 47:2467de40951f | 741 | { |
cocorlow | 78:e36a7b844fb5 | 742 | setBlockDiag(Phat, val, 6,8); |
NaotoMorita | 47:2467de40951f | 743 | } |
NaotoMorita | 47:2467de40951f | 744 | void solaESKF::setPhatAccBias(float val) |
NaotoMorita | 47:2467de40951f | 745 | { |
cocorlow | 78:e36a7b844fb5 | 746 | setBlockDiag(Phat, val, 9,11); |
NaotoMorita | 47:2467de40951f | 747 | } |
NaotoMorita | 47:2467de40951f | 748 | void solaESKF::setPhatGyroBias(float val) |
NaotoMorita | 47:2467de40951f | 749 | { |
cocorlow | 78:e36a7b844fb5 | 750 | setBlockDiag(Phat, val, 12,14); |
NaotoMorita | 47:2467de40951f | 751 | } |
NaotoMorita | 47:2467de40951f | 752 | void solaESKF::setPhatGravity(float val) |
NaotoMorita | 47:2467de40951f | 753 | { |
cocorlow | 78:e36a7b844fb5 | 754 | setBlockDiag(Phat, val, 15,17); |
NaotoMorita | 62:5519d34eb6e8 | 755 | } |
NaotoMorita | 47:2467de40951f | 756 | |
NaotoMorita | 47:2467de40951f | 757 | |
NaotoMorita | 80:b241c058df83 | 758 | void solaESKF::setQVelocity(float valNE,float valD) |
NaotoMorita | 47:2467de40951f | 759 | { |
NaotoMorita | 80:b241c058df83 | 760 | setBlockDiag(Q, valNE, 3, 5); |
NaotoMorita | 80:b241c058df83 | 761 | Q(5,5) = valD; |
NaotoMorita | 47:2467de40951f | 762 | } |
NaotoMorita | 47:2467de40951f | 763 | void solaESKF::setQAngleError(float val) |
NaotoMorita | 47:2467de40951f | 764 | { |
cocorlow | 78:e36a7b844fb5 | 765 | setBlockDiag(Q, val, 6, 8); |
NaotoMorita | 47:2467de40951f | 766 | } |
NaotoMorita | 47:2467de40951f | 767 | void solaESKF::setQAccBias(float val) |
NaotoMorita | 47:2467de40951f | 768 | { |
cocorlow | 78:e36a7b844fb5 | 769 | setBlockDiag(Q, val, 9, 11); |
NaotoMorita | 47:2467de40951f | 770 | } |
NaotoMorita | 47:2467de40951f | 771 | void solaESKF::setQGyroBias(float val) |
NaotoMorita | 47:2467de40951f | 772 | { |
cocorlow | 78:e36a7b844fb5 | 773 | setBlockDiag(Q, val, 12, 14); |
NaotoMorita | 47:2467de40951f | 774 | } |
NaotoMorita | 19:3fae66745363 | 775 | |
NaotoMorita | 80:b241c058df83 | 776 | void solaESKF::setDiag(Matrix3f& mat, float val){ |
NaotoMorita | 80:b241c058df83 | 777 | for (int i = 0; i < mat.cols(); i++){ |
NaotoMorita | 80:b241c058df83 | 778 | for (int j = 0; j < mat.rows(); j++){ |
NaotoMorita | 80:b241c058df83 | 779 | mat(i,j) = 0.0f; |
NaotoMorita | 80:b241c058df83 | 780 | } |
NaotoMorita | 80:b241c058df83 | 781 | } |
cocorlow | 78:e36a7b844fb5 | 782 | for (int i = 0; i < mat.cols(); i++){ |
NaotoMorita | 44:7d82e63b6a86 | 783 | mat(i,i) = val; |
NaotoMorita | 22:7d84b8bc20b4 | 784 | } |
NaotoMorita | 22:7d84b8bc20b4 | 785 | } |
NaotoMorita | 22:7d84b8bc20b4 | 786 | |
NaotoMorita | 80:b241c058df83 | 787 | void solaESKF::setDiag(MatrixXf& mat, float val){ |
NaotoMorita | 80:b241c058df83 | 788 | for (int i = 0; i < mat.cols(); i++){ |
NaotoMorita | 80:b241c058df83 | 789 | for (int j = 0; j < mat.rows(); j++){ |
NaotoMorita | 80:b241c058df83 | 790 | mat(i,j) = 0.0f; |
NaotoMorita | 80:b241c058df83 | 791 | } |
NaotoMorita | 80:b241c058df83 | 792 | } |
NaotoMorita | 80:b241c058df83 | 793 | for (int i = 0; i < mat.cols(); i++) |
NaotoMorita | 80:b241c058df83 | 794 | { |
NaotoMorita | 80:b241c058df83 | 795 | mat(i, i) = val; |
NaotoMorita | 80:b241c058df83 | 796 | } |
NaotoMorita | 80:b241c058df83 | 797 | } |
NaotoMorita | 80:b241c058df83 | 798 | |
cocorlow | 78:e36a7b844fb5 | 799 | void solaESKF::setBlockDiag(MatrixXf& mat, float val, int startIndex, int endIndex){ |
NaotoMorita | 80:b241c058df83 | 800 | |
NaotoMorita | 44:7d82e63b6a86 | 801 | for (int i = startIndex; i < endIndex+1; i++){ |
NaotoMorita | 44:7d82e63b6a86 | 802 | mat(i,i) = val; |
NaotoMorita | 22:7d84b8bc20b4 | 803 | } |
NaotoMorita | 22:7d84b8bc20b4 | 804 | } |
osaka | 51:a5af3b280d23 | 805 | |
NaotoMorita | 81:230a3d2b0493 | 806 | void solaESKF::setPihat(float pi_x, float pi_y, float pi_z) |
osaka | 51:a5af3b280d23 | 807 | { |
cocorlow | 78:e36a7b844fb5 | 808 | pihat(0) = pi_x; |
cocorlow | 78:e36a7b844fb5 | 809 | pihat(1) = pi_y; |
NaotoMorita | 82:662b810155e9 | 810 | pihat(2) = pi_z; |
NaotoMorita | 56:c10f1168bd4a | 811 | } |
NaotoMorita | 73:5770a0d470c0 | 812 | |
cocorlow | 78:e36a7b844fb5 | 813 | Matrix3f solaESKF::Matrixcross(Vector3f v) |
cocorlow | 78:e36a7b844fb5 | 814 | { |
NaotoMorita | 83:8f6ae61d47ac | 815 | Matrix3f m = Matrix3f::Zero(); |
cocorlow | 78:e36a7b844fb5 | 816 | m << 0.0f, -v(2), v(1), |
cocorlow | 78:e36a7b844fb5 | 817 | v(2), 0.0f, -v(0), |
cocorlow | 78:e36a7b844fb5 | 818 | -v(1), v(0), 0.0f; |
cocorlow | 78:e36a7b844fb5 | 819 | return m; |
cocorlow | 78:e36a7b844fb5 | 820 | } |
NaotoMorita | 56:c10f1168bd4a | 821 | /* |
NaotoMorita | 56:c10f1168bd4a | 822 | void solaESKF::updateAccConstraints(Matrix acc,float palt,Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 823 | { |
NaotoMorita | 56:c10f1168bd4a | 824 | Matrix accm = acc - accBias; |
NaotoMorita | 56:c10f1168bd4a | 825 | Matrix tdcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 826 | computeDcm(tdcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 827 | tdcm = MatrixMath::Transpose(tdcm); |
NaotoMorita | 56:c10f1168bd4a | 828 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 56:c10f1168bd4a | 829 | Matrix a2v = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 830 | |
NaotoMorita | 56:c10f1168bd4a | 831 | Matrix H(4,nState); |
NaotoMorita | 56:c10f1168bd4a | 832 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 56:c10f1168bd4a | 833 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 834 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 835 | H(i,j+15) = tdcm(i,j); |
NaotoMorita | 56:c10f1168bd4a | 836 | } |
NaotoMorita | 56:c10f1168bd4a | 837 | } |
NaotoMorita | 56:c10f1168bd4a | 838 | H(1,10) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 839 | H(2,11) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 840 | H(3,12) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 841 | H(4,3) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 842 | |
NaotoMorita | 56:c10f1168bd4a | 843 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 844 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 845 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 846 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 56:c10f1168bd4a | 847 | Matrix z(4,1); |
NaotoMorita | 56:c10f1168bd4a | 848 | z << zacc(1,1) << zacc(2,1) << zacc(3,1) << palt - pihat(3,1); |
NaotoMorita | 56:c10f1168bd4a | 849 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 850 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 851 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 852 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 853 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 854 | } |
NaotoMorita | 56:c10f1168bd4a | 855 | |
NaotoMorita | 56:c10f1168bd4a | 856 | void solaESKF::updateGyroConstraints(Matrix gyro,Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 857 | { |
NaotoMorita | 56:c10f1168bd4a | 858 | Matrix gyrom = gyro - gyroBias; |
NaotoMorita | 56:c10f1168bd4a | 859 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 860 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 861 | Matrix a2v = dcm*MatrixMath::Matrixcross(gyrom(1,1),gyrom(2,1),gyrom(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 862 | |
NaotoMorita | 56:c10f1168bd4a | 863 | Matrix H(2,nState); |
NaotoMorita | 56:c10f1168bd4a | 864 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 56:c10f1168bd4a | 865 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 866 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 867 | H(i,j+12) = -dcm(i,j); |
NaotoMorita | 56:c10f1168bd4a | 868 | } |
NaotoMorita | 56:c10f1168bd4a | 869 | } |
NaotoMorita | 56:c10f1168bd4a | 870 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 871 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(2))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 872 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 873 | |
NaotoMorita | 56:c10f1168bd4a | 874 | Matrix z3 = -dcm*gyrom; |
NaotoMorita | 56:c10f1168bd4a | 875 | Matrix z(2,1); |
NaotoMorita | 56:c10f1168bd4a | 876 | z << z3(1,1) << z3(2,1); |
NaotoMorita | 56:c10f1168bd4a | 877 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 878 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 879 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 880 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 881 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 882 | } |
NaotoMorita | 56:c10f1168bd4a | 883 | void solaESKF::updateMag(Matrix mag, Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 884 | { |
NaotoMorita | 56:c10f1168bd4a | 885 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 886 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 887 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 888 | |
NaotoMorita | 56:c10f1168bd4a | 889 | Matrix H(2,nState); |
NaotoMorita | 56:c10f1168bd4a | 890 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 56:c10f1168bd4a | 891 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 892 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 893 | } |
NaotoMorita | 56:c10f1168bd4a | 894 | } |
NaotoMorita | 56:c10f1168bd4a | 895 | H(1,19) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 896 | //H(3,20) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 897 | |
NaotoMorita | 56:c10f1168bd4a | 898 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 899 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 900 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 901 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 56:c10f1168bd4a | 902 | Matrix z(2,1); |
NaotoMorita | 56:c10f1168bd4a | 903 | z << zmag(1,1) << zmag(2,1); |
NaotoMorita | 56:c10f1168bd4a | 904 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 905 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 906 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 907 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 908 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 909 | } |
NaotoMorita | 59:03fe5e16a33c | 910 | void solaESKF::updateMag(Matrix mag,float palt, Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 911 | { |
NaotoMorita | 59:03fe5e16a33c | 912 | Matrix dcm(3,3); |
NaotoMorita | 59:03fe5e16a33c | 913 | computeDcm(dcm, qhat); |
NaotoMorita | 59:03fe5e16a33c | 914 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 59:03fe5e16a33c | 915 | |
NaotoMorita | 59:03fe5e16a33c | 916 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 917 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 59:03fe5e16a33c | 918 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 919 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 59:03fe5e16a33c | 920 | } |
NaotoMorita | 59:03fe5e16a33c | 921 | } |
NaotoMorita | 59:03fe5e16a33c | 922 | H(1,19) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 923 | H(3,3) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 924 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 925 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 926 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 927 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 59:03fe5e16a33c | 928 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 929 | z << zmag(1,1) << zmag(2,1) << palt - pihat(3,1); |
NaotoMorita | 59:03fe5e16a33c | 930 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 931 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 932 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 933 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 934 | |
NaotoMorita | 59:03fe5e16a33c | 935 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 936 | } |
NaotoMorita | 59:03fe5e16a33c | 937 | void solaESKF::updateGPSVelocity(Matrix velgps,Matrix mag,Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 938 | { |
NaotoMorita | 59:03fe5e16a33c | 939 | |
NaotoMorita | 59:03fe5e16a33c | 940 | Matrix dcm(3,3); |
NaotoMorita | 59:03fe5e16a33c | 941 | computeDcm(dcm, qhat); |
NaotoMorita | 59:03fe5e16a33c | 942 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 59:03fe5e16a33c | 943 | |
NaotoMorita | 59:03fe5e16a33c | 944 | |
NaotoMorita | 59:03fe5e16a33c | 945 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 946 | H(1,4) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 947 | H(2,5) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 948 | |
NaotoMorita | 59:03fe5e16a33c | 949 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 950 | H(3,j+6) = a2v(2,j); |
NaotoMorita | 59:03fe5e16a33c | 951 | } |
NaotoMorita | 59:03fe5e16a33c | 952 | //H(3,19) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 953 | |
NaotoMorita | 59:03fe5e16a33c | 954 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 59:03fe5e16a33c | 955 | |
NaotoMorita | 59:03fe5e16a33c | 956 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 957 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 958 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 959 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 960 | z << velgps(1,1) - vihat(1,1) << velgps(2,1)-vihat(2,1) << zmag(2,1); |
NaotoMorita | 59:03fe5e16a33c | 961 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 962 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 963 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 964 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 965 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 966 | } |
NaotoMorita | 56:c10f1168bd4a | 967 | |
NaotoMorita | 59:03fe5e16a33c | 968 | void solaESKF::updateGPSPosition(Matrix posgps,float palt,Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 969 | { |
NaotoMorita | 59:03fe5e16a33c | 970 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 971 | H(1,1) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 972 | H(2,2) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 973 | H(3,3) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 974 | |
NaotoMorita | 59:03fe5e16a33c | 975 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 976 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 977 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 978 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 979 | z << posgps(1,1) - pihat(1,1) << posgps(2,1)-pihat(2,1) << palt - pihat(3,1); |
NaotoMorita | 59:03fe5e16a33c | 980 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 981 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 982 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 983 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 984 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 985 | } |
NaotoMorita | 61:5e5c4fe12440 | 986 | |
NaotoMorita | 61:5e5c4fe12440 | 987 | void solaESKF::updateImuConstraints(Matrix acc,Matrix mag,Matrix R) |
NaotoMorita | 61:5e5c4fe12440 | 988 | { |
NaotoMorita | 61:5e5c4fe12440 | 989 | Matrix accm = acc - accBias; |
NaotoMorita | 61:5e5c4fe12440 | 990 | Matrix magm = mag - magBias; |
NaotoMorita | 61:5e5c4fe12440 | 991 | Matrix dcm(3,3); |
NaotoMorita | 61:5e5c4fe12440 | 992 | computeDcm(dcm, qhat); |
NaotoMorita | 61:5e5c4fe12440 | 993 | Matrix tdcm = MatrixMath::Transpose(dcm); |
NaotoMorita | 61:5e5c4fe12440 | 994 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 995 | Matrix rotgrav = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 996 | Matrix rotmag = -dcm*MatrixMath::Matrixcross(magm(1,1),magm(2,1),magm(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 997 | |
NaotoMorita | 61:5e5c4fe12440 | 998 | Matrix H(5,nState); |
NaotoMorita | 61:5e5c4fe12440 | 999 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 61:5e5c4fe12440 | 1000 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 1001 | H(i,j+6) = rotgrav(i,j); |
NaotoMorita | 61:5e5c4fe12440 | 1002 | } |
NaotoMorita | 61:5e5c4fe12440 | 1003 | H(i,16) = tdcm(i,3); |
NaotoMorita | 61:5e5c4fe12440 | 1004 | } |
NaotoMorita | 61:5e5c4fe12440 | 1005 | |
NaotoMorita | 61:5e5c4fe12440 | 1006 | H(1,10) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 1007 | H(2,11) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 1008 | H(3,12) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 1009 | |
NaotoMorita | 61:5e5c4fe12440 | 1010 | Matrix magned = dcm*magm; |
NaotoMorita | 61:5e5c4fe12440 | 1011 | float hx = sqrt(magned(1,1)*magned(1,1)+magned(2,1)*magned(2,1)); |
NaotoMorita | 61:5e5c4fe12440 | 1012 | |
NaotoMorita | 61:5e5c4fe12440 | 1013 | for(int j = 1; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 1014 | H(4,j+6) = rotmag(1,j)-(rotmag(1,j)+rotmag(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 1015 | H(4,j+16) = -dcm(1,j)+(dcm(1,j)+dcm(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 1016 | H(5,j+6) = rotmag(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 1017 | H(5,j+16) = -dcm(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 1018 | } |
NaotoMorita | 61:5e5c4fe12440 | 1019 | |
NaotoMorita | 61:5e5c4fe12440 | 1020 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 61:5e5c4fe12440 | 1021 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 1022 | Matrix zmag = dcm*magm; |
NaotoMorita | 61:5e5c4fe12440 | 1023 | Matrix z(5,1); |
NaotoMorita | 61:5e5c4fe12440 | 1024 | z << zacc(1,1) << zacc(2,1) << zacc(3,1) << -(zmag(1,1) - hx) << -zmag(2,1); |
NaotoMorita | 61:5e5c4fe12440 | 1025 | twelite.printf("%f %f\r\n",hx,(zmag(1,1) - hx)); |
NaotoMorita | 61:5e5c4fe12440 | 1026 | errState = K * z; |
NaotoMorita | 61:5e5c4fe12440 | 1027 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 61:5e5c4fe12440 | 1028 | |
NaotoMorita | 61:5e5c4fe12440 | 1029 | fuseErr2Nominal(); |
NaotoMorita | 61:5e5c4fe12440 | 1030 | } |
NaotoMorita | 73:5770a0d470c0 | 1031 | float q0 = qhat(1,1); |
NaotoMorita | 73:5770a0d470c0 | 1032 | float q1 = qhat(2,1); |
NaotoMorita | 73:5770a0d470c0 | 1033 | float q2 = qhat(3,1); |
NaotoMorita | 73:5770a0d470c0 | 1034 | float q3 = qhat(4,1); |
NaotoMorita | 73:5770a0d470c0 | 1035 | |
NaotoMorita | 73:5770a0d470c0 | 1036 | float d0 = (-q3*q3-q2*q2+q1*q1+q0*q0); |
NaotoMorita | 73:5770a0d470c0 | 1037 | float q0q3q1q2 = (q0*q3+q1*q2); |
NaotoMorita | 73:5770a0d470c0 | 1038 | float h1lower = 2.0f*(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f)*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 1039 | |
NaotoMorita | 73:5770a0d470c0 | 1040 | float d1 = d0*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 1041 | float d2 = d0*d0*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 1042 | float d3 = d0*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f)*(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 1043 | |
NaotoMorita | 73:5770a0d470c0 | 1044 | |
NaotoMorita | 73:5770a0d470c0 | 1045 | |
NaotoMorita | 73:5770a0d470c0 | 1046 | Matrix Hh(2,4); |
NaotoMorita | 73:5770a0d470c0 | 1047 | Hh(1,1) = -(8.0f*q3*q0q3q1q2/d0/d0-16.0f*q0*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1048 | Hh(1,2) = -(8.0f*q2*q0q3q1q2/d0/d0-16.0f*q1*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1049 | Hh(1,3) = -(8.0f*q1*q0q3q1q2/d0/d0-16.0f*q2*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1050 | Hh(1,4) = -(8.0f*q0*q0q3q1q2/d0/d0-16.0f*q3*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1051 | |
NaotoMorita | 73:5770a0d470c0 | 1052 | Hh(2,1) = 2.0f*q3/d1-4.0f*q0*q0q3q1q2/d2-q0q3q1q2*(8.0f*q3*q0q3q1q2/d0/d0-16.0f*q0*q0q3q1q2*q0q3q1q2/d0/d0/d0)/d3; |
NaotoMorita | 73:5770a0d470c0 | 1053 | Hh(2,2) = 2.0f*q2/d1-4.0f*q1*q0q3q1q2/d2-q0q3q1q2*(8.0f*q2*q0q3q1q2/d0/d0-16.0f*q1*q0q3q1q2*q0q3q1q2/d0/d0/d0)/d3; |
NaotoMorita | 73:5770a0d470c0 | 1054 | Hh(2,3) = 2.0f*q1/d1+4.0f*q2*q0q3q1q2/d2-q0q3q1q2*(8.0f*q1*q0q3q1q2/d0/d0-16.0f*q2*q0q3q1q2*q0q3q1q2/d0/d0/d0)/d3; |
NaotoMorita | 73:5770a0d470c0 | 1055 | Hh(2,4) = 2.0f*q0/d1+4.0f*q3*q0q3q1q2/d2-q0q3q1q2*(8.0f*q0*q0q3q1q2/d0/d0-16.0f*q3*q0q3q1q2*q0q3q1q2/d0/d0/d0)/d3; |
NaotoMorita | 56:c10f1168bd4a | 1056 | */ |