Eigen
Dependencies: Eigen
Dependents: optWingforHAPS_Eigen hexaTest_Eigen
solaESKF.cpp@80:b241c058df83, 2022-06-24 (annotated)
- Committer:
- NaotoMorita
- Date:
- Fri Jun 24 05:43:46 2022 +0000
- Revision:
- 80:b241c058df83
- Parent:
- 79:365ea9277167
- Child:
- 81:230a3d2b0493
whole update
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 | 80:b241c058df83 | 246 | void solaESKF::updateIMU(Vector3f acc,float heading, Matrix<float, 4, 4> R) |
NaotoMorita | 80:b241c058df83 | 247 | { |
NaotoMorita | 80:b241c058df83 | 248 | |
NaotoMorita | 80:b241c058df83 | 249 | Vector3f accm = acc - accBias; |
NaotoMorita | 80:b241c058df83 | 250 | Matrix3f dcm; |
NaotoMorita | 80:b241c058df83 | 251 | computeDcm(dcm, qhat); |
NaotoMorita | 80:b241c058df83 | 252 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 80:b241c058df83 | 253 | Vector3f tdcm_g = tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 254 | Matrix3f rotgrav = solaESKF::Matrixcross(tdcm_g); |
NaotoMorita | 80:b241c058df83 | 255 | |
NaotoMorita | 80:b241c058df83 | 256 | MatrixXf H = MatrixXf::Zero(4,nState); |
NaotoMorita | 80:b241c058df83 | 257 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 258 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 80:b241c058df83 | 259 | H(i,j+6) = rotgrav(i,j); |
NaotoMorita | 80:b241c058df83 | 260 | H(i,j+15) = tdcm(i,j); |
NaotoMorita | 80:b241c058df83 | 261 | } |
NaotoMorita | 80:b241c058df83 | 262 | } |
NaotoMorita | 80:b241c058df83 | 263 | |
NaotoMorita | 80:b241c058df83 | 264 | H(0,9) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 265 | H(1,10) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 266 | H(2,11) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 267 | |
NaotoMorita | 80:b241c058df83 | 268 | float q0 = qhat(0); |
NaotoMorita | 80:b241c058df83 | 269 | float q1 = qhat(1); |
NaotoMorita | 80:b241c058df83 | 270 | float q2 = qhat(2); |
NaotoMorita | 80:b241c058df83 | 271 | float q3 = qhat(3); |
NaotoMorita | 80:b241c058df83 | 272 | |
NaotoMorita | 80:b241c058df83 | 273 | bool canUseA = false; |
NaotoMorita | 80:b241c058df83 | 274 | const float SA0 = 2.0f*q3; |
NaotoMorita | 80:b241c058df83 | 275 | const float SA1 = 2.0f*q2; |
NaotoMorita | 80:b241c058df83 | 276 | const float SA2 = SA0*q0 + SA1*q1; |
NaotoMorita | 80:b241c058df83 | 277 | const float SA3 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 278 | float SA4, SA5_inv; |
NaotoMorita | 80:b241c058df83 | 279 | if ((SA3*SA3) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 280 | SA4 = 1.0f/(SA3*SA3); |
NaotoMorita | 80:b241c058df83 | 281 | SA5_inv = SA2*SA2*SA4 + 1.0f; |
NaotoMorita | 80:b241c058df83 | 282 | canUseA = std::abs(SA5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 283 | } |
NaotoMorita | 80:b241c058df83 | 284 | |
NaotoMorita | 80:b241c058df83 | 285 | bool canUseB = false; |
NaotoMorita | 80:b241c058df83 | 286 | const float SB0 = 2.0f*q0; |
NaotoMorita | 80:b241c058df83 | 287 | const float SB1 = 2.0f*q1; |
NaotoMorita | 80:b241c058df83 | 288 | const float SB2 = SB0*q3 + SB1*q2; |
NaotoMorita | 80:b241c058df83 | 289 | const float SB4 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 290 | float SB3, SB5_inv; |
NaotoMorita | 80:b241c058df83 | 291 | if ((SB2*SB2) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 292 | SB3 = 1.0f/(SB2*SB2); |
NaotoMorita | 80:b241c058df83 | 293 | SB5_inv = SB3*SB4*SB4 + 1; |
NaotoMorita | 80:b241c058df83 | 294 | canUseB = std::abs(SB5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 295 | } |
NaotoMorita | 80:b241c058df83 | 296 | |
NaotoMorita | 80:b241c058df83 | 297 | MatrixXf Hh = MatrixXf::Zero(1,4); |
NaotoMorita | 80:b241c058df83 | 298 | |
NaotoMorita | 80:b241c058df83 | 299 | if (canUseA && (!canUseB || std::abs(SA5_inv) >= std::abs(SB5_inv))) { |
NaotoMorita | 80:b241c058df83 | 300 | const float SA5 = 1.0f/SA5_inv; |
NaotoMorita | 80:b241c058df83 | 301 | const float SA6 = 1.0f/SA3; |
NaotoMorita | 80:b241c058df83 | 302 | const float SA7 = SA2*SA4; |
NaotoMorita | 80:b241c058df83 | 303 | const float SA8 = 2.0f*SA7; |
NaotoMorita | 80:b241c058df83 | 304 | const float SA9 = 2.0f*SA6; |
NaotoMorita | 80:b241c058df83 | 305 | |
NaotoMorita | 80:b241c058df83 | 306 | Hh(0,0) = SA5*(SA0*SA6 - SA8*q0); |
NaotoMorita | 80:b241c058df83 | 307 | Hh(0,1) = SA5*(SA1*SA6 - SA8*q1); |
NaotoMorita | 80:b241c058df83 | 308 | Hh(0,2) = SA5*(SA1*SA7 + SA9*q1); |
NaotoMorita | 80:b241c058df83 | 309 | Hh(0,3) = SA5*(SA0*SA7 + SA9*q0); |
NaotoMorita | 80:b241c058df83 | 310 | } else if (canUseB && (!canUseA || std::abs(SB5_inv) > std::abs(SA5_inv))) { |
NaotoMorita | 80:b241c058df83 | 311 | const float SB5 = 1.0f/SB5_inv; |
NaotoMorita | 80:b241c058df83 | 312 | const float SB6 = 1.0f/SB2; |
NaotoMorita | 80:b241c058df83 | 313 | const float SB7 = SB3*SB4; |
NaotoMorita | 80:b241c058df83 | 314 | const float SB8 = 2.0f*SB7; |
NaotoMorita | 80:b241c058df83 | 315 | const float SB9 = 2.0f*SB6; |
NaotoMorita | 80:b241c058df83 | 316 | |
NaotoMorita | 80:b241c058df83 | 317 | Hh(0,0) = -SB5*(SB0*SB6 - SB8*q3); |
NaotoMorita | 80:b241c058df83 | 318 | Hh(0,1) = -SB5*(SB1*SB6 - SB8*q2); |
NaotoMorita | 80:b241c058df83 | 319 | Hh(0,2) = -SB5*(-SB1*SB7 - SB9*q2); |
NaotoMorita | 80:b241c058df83 | 320 | Hh(0,3) = -SB5*(-SB0*SB7 - SB9*q3); |
NaotoMorita | 80:b241c058df83 | 321 | } else { |
NaotoMorita | 80:b241c058df83 | 322 | return; |
NaotoMorita | 80:b241c058df83 | 323 | } |
NaotoMorita | 80:b241c058df83 | 324 | |
NaotoMorita | 80:b241c058df83 | 325 | MatrixXf Hdq = MatrixXf::Zero(4,3); |
NaotoMorita | 80:b241c058df83 | 326 | Hdq << -0.5f*q1, -0.5f*q2, -0.5f*q3, |
NaotoMorita | 80:b241c058df83 | 327 | 0.5f*q0, -0.5f*q3, 0.5f*q2, |
NaotoMorita | 80:b241c058df83 | 328 | 0.5f*q3, 0.5f*q0, -0.5f*q1, |
NaotoMorita | 80:b241c058df83 | 329 | -0.5f*q2, 0.5f*q1, 0.5f*q0; |
NaotoMorita | 80:b241c058df83 | 330 | |
NaotoMorita | 80:b241c058df83 | 331 | MatrixXf Hpart = Hh*Hdq; |
NaotoMorita | 80:b241c058df83 | 332 | for(int j=0; j<3; j++){ |
NaotoMorita | 80:b241c058df83 | 333 | H(3,j+6) = Hpart(0,j); |
NaotoMorita | 80:b241c058df83 | 334 | } |
NaotoMorita | 80:b241c058df83 | 335 | |
NaotoMorita | 80:b241c058df83 | 336 | 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 | 337 | Vector3f zacc = -accm-tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 338 | VectorXf z = VectorXf::Zero(4); |
NaotoMorita | 80:b241c058df83 | 339 | z <<zacc(0),zacc(1),zacc(2),std::atan2(std::sin(heading-psi), std::cos(heading-psi)); |
NaotoMorita | 80:b241c058df83 | 340 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
NaotoMorita | 80:b241c058df83 | 341 | errState = K * z; |
NaotoMorita | 80:b241c058df83 | 342 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 80:b241c058df83 | 343 | |
NaotoMorita | 80:b241c058df83 | 344 | fuseErr2Nominal(); |
NaotoMorita | 80:b241c058df83 | 345 | } |
cocorlow | 78:e36a7b844fb5 | 346 | void solaESKF::updateGPSPosition(Vector3f posgps,float palt,Matrix3f R) |
NaotoMorita | 65:c25d7810de44 | 347 | { |
NaotoMorita | 80:b241c058df83 | 348 | MatrixXf H = MatrixXf::Zero(3,nState); |
cocorlow | 78:e36a7b844fb5 | 349 | H(0,0) = 1.0f; |
NaotoMorita | 74:f5fe7fecbd3c | 350 | H(1,1) = 1.0f; |
NaotoMorita | 74:f5fe7fecbd3c | 351 | H(2,2) = 1.0f; |
NaotoMorita | 65:c25d7810de44 | 352 | |
NaotoMorita | 74:f5fe7fecbd3c | 353 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 74:f5fe7fecbd3c | 354 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
cocorlow | 78:e36a7b844fb5 | 355 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 356 | Vector3f z; |
cocorlow | 78:e36a7b844fb5 | 357 | z << posgps(0)-pihat(0), posgps(1)-pihat(1), palt - pihat(2); |
NaotoMorita | 65:c25d7810de44 | 358 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 359 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 74:f5fe7fecbd3c | 360 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 74:f5fe7fecbd3c | 361 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 65:c25d7810de44 | 362 | fuseErr2Nominal(); |
NaotoMorita | 65:c25d7810de44 | 363 | } |
cocorlow | 78:e36a7b844fb5 | 364 | void solaESKF::updateGPSVelocity(Vector3f velgps,Matrix3f R) |
NaotoMorita | 75:e2c825cdc511 | 365 | { |
NaotoMorita | 80:b241c058df83 | 366 | MatrixXf H = MatrixXf::Zero(3,nState); |
cocorlow | 78:e36a7b844fb5 | 367 | H(0,3) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 368 | H(1,4) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 369 | H(2,5) = 1.0f; |
NaotoMorita | 75:e2c825cdc511 | 370 | |
NaotoMorita | 75:e2c825cdc511 | 371 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 75:e2c825cdc511 | 372 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
cocorlow | 78:e36a7b844fb5 | 373 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 374 | Vector3f z; |
cocorlow | 78:e36a7b844fb5 | 375 | z << velgps(0)-vihat(0), velgps(1)-vihat(1), velgps(2)-vihat(2); |
NaotoMorita | 75:e2c825cdc511 | 376 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 377 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 75:e2c825cdc511 | 378 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 75:e2c825cdc511 | 379 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 75:e2c825cdc511 | 380 | fuseErr2Nominal(); |
NaotoMorita | 75:e2c825cdc511 | 381 | } |
NaotoMorita | 65:c25d7810de44 | 382 | |
NaotoMorita | 80:b241c058df83 | 383 | void solaESKF::updateWhole(Vector3f posgps, float palt, Vector3f velgps,Vector3f acc,float heading, MatrixXf R) |
NaotoMorita | 80:b241c058df83 | 384 | { |
NaotoMorita | 80:b241c058df83 | 385 | MatrixXf H = MatrixXf::Zero(9,nState); |
NaotoMorita | 80:b241c058df83 | 386 | H(0,0) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 387 | H(1,1) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 388 | H(2,2) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 389 | H(3,3) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 390 | H(4,4) = 1.0f; |
NaotoMorita | 80:b241c058df83 | 391 | |
NaotoMorita | 80:b241c058df83 | 392 | Vector3f accm = acc - accBias; |
NaotoMorita | 80:b241c058df83 | 393 | Matrix3f dcm; |
NaotoMorita | 80:b241c058df83 | 394 | computeDcm(dcm, qhat); |
NaotoMorita | 80:b241c058df83 | 395 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 80:b241c058df83 | 396 | Vector3f tdcm_g = tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 397 | Matrix3f rotgrav = solaESKF::Matrixcross(tdcm_g); |
NaotoMorita | 80:b241c058df83 | 398 | |
NaotoMorita | 80:b241c058df83 | 399 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 400 | for (int j = 0; j < 3; j++){ |
NaotoMorita | 80:b241c058df83 | 401 | H(i+5,j+6) = rotgrav(i,j); |
NaotoMorita | 80:b241c058df83 | 402 | H(i+5,j+15) = tdcm(i,j); |
NaotoMorita | 80:b241c058df83 | 403 | } |
NaotoMorita | 80:b241c058df83 | 404 | } |
NaotoMorita | 80:b241c058df83 | 405 | |
NaotoMorita | 80:b241c058df83 | 406 | H(5,9) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 407 | H(6,10) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 408 | H(7,11) = -1.0f; |
NaotoMorita | 80:b241c058df83 | 409 | |
NaotoMorita | 80:b241c058df83 | 410 | float q0 = qhat(0); |
NaotoMorita | 80:b241c058df83 | 411 | float q1 = qhat(1); |
NaotoMorita | 80:b241c058df83 | 412 | float q2 = qhat(2); |
NaotoMorita | 80:b241c058df83 | 413 | float q3 = qhat(3); |
NaotoMorita | 80:b241c058df83 | 414 | |
NaotoMorita | 80:b241c058df83 | 415 | bool canUseA = false; |
NaotoMorita | 80:b241c058df83 | 416 | const float SA0 = 2.0f*q3; |
NaotoMorita | 80:b241c058df83 | 417 | const float SA1 = 2.0f*q2; |
NaotoMorita | 80:b241c058df83 | 418 | const float SA2 = SA0*q0 + SA1*q1; |
NaotoMorita | 80:b241c058df83 | 419 | const float SA3 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 420 | float SA4, SA5_inv; |
NaotoMorita | 80:b241c058df83 | 421 | if ((SA3*SA3) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 422 | SA4 = 1.0f/(SA3*SA3); |
NaotoMorita | 80:b241c058df83 | 423 | SA5_inv = SA2*SA2*SA4 + 1.0f; |
NaotoMorita | 80:b241c058df83 | 424 | canUseA = std::abs(SA5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 425 | } |
NaotoMorita | 80:b241c058df83 | 426 | |
NaotoMorita | 80:b241c058df83 | 427 | bool canUseB = false; |
NaotoMorita | 80:b241c058df83 | 428 | const float SB0 = 2.0f*q0; |
NaotoMorita | 80:b241c058df83 | 429 | const float SB1 = 2.0f*q1; |
NaotoMorita | 80:b241c058df83 | 430 | const float SB2 = SB0*q3 + SB1*q2; |
NaotoMorita | 80:b241c058df83 | 431 | const float SB4 = q0*q0 + q1*q1 - q2*q2 - q3*q3; |
NaotoMorita | 80:b241c058df83 | 432 | float SB3, SB5_inv; |
NaotoMorita | 80:b241c058df83 | 433 | if ((SB2*SB2) > 1e-6f) { |
NaotoMorita | 80:b241c058df83 | 434 | SB3 = 1.0f/(SB2*SB2); |
NaotoMorita | 80:b241c058df83 | 435 | SB5_inv = SB3*SB4*SB4 + 1; |
NaotoMorita | 80:b241c058df83 | 436 | canUseB = std::abs(SB5_inv) > 1e-6f; |
NaotoMorita | 80:b241c058df83 | 437 | } |
NaotoMorita | 80:b241c058df83 | 438 | |
NaotoMorita | 80:b241c058df83 | 439 | MatrixXf Hh = MatrixXf::Zero(1,4); |
NaotoMorita | 80:b241c058df83 | 440 | |
NaotoMorita | 80:b241c058df83 | 441 | if (canUseA && (!canUseB || std::abs(SA5_inv) >= std::abs(SB5_inv))) { |
NaotoMorita | 80:b241c058df83 | 442 | const float SA5 = 1.0f/SA5_inv; |
NaotoMorita | 80:b241c058df83 | 443 | const float SA6 = 1.0f/SA3; |
NaotoMorita | 80:b241c058df83 | 444 | const float SA7 = SA2*SA4; |
NaotoMorita | 80:b241c058df83 | 445 | const float SA8 = 2.0f*SA7; |
NaotoMorita | 80:b241c058df83 | 446 | const float SA9 = 2.0f*SA6; |
NaotoMorita | 80:b241c058df83 | 447 | |
NaotoMorita | 80:b241c058df83 | 448 | Hh(0,0) = SA5*(SA0*SA6 - SA8*q0); |
NaotoMorita | 80:b241c058df83 | 449 | Hh(0,1) = SA5*(SA1*SA6 - SA8*q1); |
NaotoMorita | 80:b241c058df83 | 450 | Hh(0,2) = SA5*(SA1*SA7 + SA9*q1); |
NaotoMorita | 80:b241c058df83 | 451 | Hh(0,3) = SA5*(SA0*SA7 + SA9*q0); |
NaotoMorita | 80:b241c058df83 | 452 | } else if (canUseB && (!canUseA || std::abs(SB5_inv) > std::abs(SA5_inv))) { |
NaotoMorita | 80:b241c058df83 | 453 | const float SB5 = 1.0f/SB5_inv; |
NaotoMorita | 80:b241c058df83 | 454 | const float SB6 = 1.0f/SB2; |
NaotoMorita | 80:b241c058df83 | 455 | const float SB7 = SB3*SB4; |
NaotoMorita | 80:b241c058df83 | 456 | const float SB8 = 2.0f*SB7; |
NaotoMorita | 80:b241c058df83 | 457 | const float SB9 = 2.0f*SB6; |
NaotoMorita | 80:b241c058df83 | 458 | |
NaotoMorita | 80:b241c058df83 | 459 | Hh(0,0) = -SB5*(SB0*SB6 - SB8*q3); |
NaotoMorita | 80:b241c058df83 | 460 | Hh(0,1) = -SB5*(SB1*SB6 - SB8*q2); |
NaotoMorita | 80:b241c058df83 | 461 | Hh(0,2) = -SB5*(-SB1*SB7 - SB9*q2); |
NaotoMorita | 80:b241c058df83 | 462 | Hh(0,3) = -SB5*(-SB0*SB7 - SB9*q3); |
NaotoMorita | 80:b241c058df83 | 463 | } else { |
NaotoMorita | 80:b241c058df83 | 464 | return; |
NaotoMorita | 80:b241c058df83 | 465 | } |
NaotoMorita | 80:b241c058df83 | 466 | |
NaotoMorita | 80:b241c058df83 | 467 | MatrixXf Hdq = MatrixXf::Zero(4,3); |
NaotoMorita | 80:b241c058df83 | 468 | Hdq << -0.5f*q1, -0.5f*q2, -0.5f*q3, |
NaotoMorita | 80:b241c058df83 | 469 | 0.5f*q0, -0.5f*q3, 0.5f*q2, |
NaotoMorita | 80:b241c058df83 | 470 | 0.5f*q3, 0.5f*q0, -0.5f*q1, |
NaotoMorita | 80:b241c058df83 | 471 | -0.5f*q2, 0.5f*q1, 0.5f*q0; |
NaotoMorita | 80:b241c058df83 | 472 | |
NaotoMorita | 80:b241c058df83 | 473 | MatrixXf Hpart = Hh*Hdq; |
NaotoMorita | 80:b241c058df83 | 474 | for(int j=0; j<3; j++){ |
NaotoMorita | 80:b241c058df83 | 475 | H(8,j+6) = Hpart(0,j); |
NaotoMorita | 80:b241c058df83 | 476 | } |
NaotoMorita | 80:b241c058df83 | 477 | |
NaotoMorita | 80:b241c058df83 | 478 | 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 | 479 | Vector3f zacc = -accm-tdcm*gravity; |
NaotoMorita | 80:b241c058df83 | 480 | VectorXf z = VectorXf::Zero(9); |
NaotoMorita | 80:b241c058df83 | 481 | 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 | 482 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
NaotoMorita | 80:b241c058df83 | 483 | errState = K * z; |
NaotoMorita | 80:b241c058df83 | 484 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 80:b241c058df83 | 485 | |
NaotoMorita | 80:b241c058df83 | 486 | fuseErr2Nominal(); |
NaotoMorita | 80:b241c058df83 | 487 | |
NaotoMorita | 80:b241c058df83 | 488 | } |
NaotoMorita | 80:b241c058df83 | 489 | |
cocorlow | 78:e36a7b844fb5 | 490 | void solaESKF::updateGPS(Vector3f posgps, float palt, Vector3f velgps, MatrixXf R) |
NaotoMorita | 58:93ba28cf5cb3 | 491 | { |
NaotoMorita | 80:b241c058df83 | 492 | MatrixXf H = MatrixXf::Zero(5,nState); |
cocorlow | 78:e36a7b844fb5 | 493 | H(0,0) = 1.0f; |
NaotoMorita | 46:15988dc41923 | 494 | H(1,1) = 1.0f; |
NaotoMorita | 46:15988dc41923 | 495 | H(2,2) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 496 | H(3,3) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 497 | H(4,4) = 1.0f; |
cocorlow | 78:e36a7b844fb5 | 498 | MatrixXf K = (Phat*H.transpose())*(H*Phat*H.transpose()+R).inverse(); |
cocorlow | 78:e36a7b844fb5 | 499 | Matrix<float, 5, 1> z; |
cocorlow | 78:e36a7b844fb5 | 500 | z << posgps(0)-pihat(0), posgps(1)-pihat(1), palt-pihat(2), velgps(0)-vihat(0), velgps(1)-vihat(1); |
NaotoMorita | 58:93ba28cf5cb3 | 501 | errState = K * z; |
cocorlow | 78:e36a7b844fb5 | 502 | Phat = (MatrixXf::Identity(nState, nState)-K*H)*Phat; |
NaotoMorita | 58:93ba28cf5cb3 | 503 | fuseErr2Nominal(); |
NaotoMorita | 58:93ba28cf5cb3 | 504 | } |
NaotoMorita | 58:93ba28cf5cb3 | 505 | |
NaotoMorita | 46:15988dc41923 | 506 | |
cocorlow | 78:e36a7b844fb5 | 507 | Vector3f solaESKF::computeAngles() |
NaotoMorita | 25:07ac5c6cd61c | 508 | { |
NaotoMorita | 25:07ac5c6cd61c | 509 | |
cocorlow | 78:e36a7b844fb5 | 510 | Vector3f euler; |
cocorlow | 78:e36a7b844fb5 | 511 | 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 | 512 | euler(1) = std::asin(-2.0f * (qhat(1)*qhat(3) - qhat(0)*qhat(2))); |
cocorlow | 78:e36a7b844fb5 | 513 | 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 | 514 | return euler; |
NaotoMorita | 19:3fae66745363 | 515 | } |
NaotoMorita | 19:3fae66745363 | 516 | |
NaotoMorita | 21:d6079def0473 | 517 | |
NaotoMorita | 44:7d82e63b6a86 | 518 | void solaESKF::fuseErr2Nominal() |
NaotoMorita | 19:3fae66745363 | 519 | { |
NaotoMorita | 44:7d82e63b6a86 | 520 | //position |
cocorlow | 78:e36a7b844fb5 | 521 | pihat(0) += errState(0); |
cocorlow | 78:e36a7b844fb5 | 522 | pihat(1) += errState(1); |
cocorlow | 78:e36a7b844fb5 | 523 | pihat(2) += errState(2); |
NaotoMorita | 44:7d82e63b6a86 | 524 | |
NaotoMorita | 44:7d82e63b6a86 | 525 | //velocity |
cocorlow | 78:e36a7b844fb5 | 526 | vihat(0) += errState(3); |
cocorlow | 78:e36a7b844fb5 | 527 | vihat(1) += errState(4); |
cocorlow | 78:e36a7b844fb5 | 528 | vihat(2) += errState(5); |
NaotoMorita | 44:7d82e63b6a86 | 529 | |
NaotoMorita | 44:7d82e63b6a86 | 530 | //angle error |
cocorlow | 78:e36a7b844fb5 | 531 | Vector4f qerr; |
cocorlow | 78:e36a7b844fb5 | 532 | qerr << 1.0f, 0.5f*errState(6), 0.5f*errState(7), 0.5f*errState(8); |
NaotoMorita | 19:3fae66745363 | 533 | qhat = quatmultiply(qhat, qerr); |
cocorlow | 78:e36a7b844fb5 | 534 | qhat.normalize(); |
NaotoMorita | 23:1509648c2318 | 535 | |
NaotoMorita | 44:7d82e63b6a86 | 536 | //acc bias |
cocorlow | 78:e36a7b844fb5 | 537 | accBias(0) += errState(9); |
cocorlow | 78:e36a7b844fb5 | 538 | accBias(1) += errState(10); |
cocorlow | 78:e36a7b844fb5 | 539 | accBias(2) += errState(11); |
NaotoMorita | 44:7d82e63b6a86 | 540 | |
NaotoMorita | 44:7d82e63b6a86 | 541 | //gyro bias |
cocorlow | 78:e36a7b844fb5 | 542 | gyroBias(0) += errState(12); |
cocorlow | 78:e36a7b844fb5 | 543 | gyroBias(1) += errState(13); |
cocorlow | 78:e36a7b844fb5 | 544 | gyroBias(2) += errState(14); |
NaotoMorita | 44:7d82e63b6a86 | 545 | |
NaotoMorita | 44:7d82e63b6a86 | 546 | //gravity bias |
cocorlow | 78:e36a7b844fb5 | 547 | gravity(0) += errState(15); |
cocorlow | 78:e36a7b844fb5 | 548 | gravity(1) += errState(16); |
cocorlow | 78:e36a7b844fb5 | 549 | gravity(2) += errState(17); |
NaotoMorita | 62:5519d34eb6e8 | 550 | |
cocorlow | 78:e36a7b844fb5 | 551 | errState = VectorXf::Zero(nState); |
NaotoMorita | 19:3fae66745363 | 552 | } |
NaotoMorita | 19:3fae66745363 | 553 | |
cocorlow | 78:e36a7b844fb5 | 554 | Vector4f solaESKF::quatmultiply(Vector4f p, Vector4f q) |
NaotoMorita | 19:3fae66745363 | 555 | { |
cocorlow | 78:e36a7b844fb5 | 556 | Vector4f qout; |
cocorlow | 78:e36a7b844fb5 | 557 | qout(0) = p(0)*q(0) - p(1)*q(1) - p(2)*q(2) - p(3)*q(3); |
cocorlow | 78:e36a7b844fb5 | 558 | qout(1) = p(0)*q(1) + p(1)*q(0) + p(2)*q(3) - p(3)*q(2); |
cocorlow | 78:e36a7b844fb5 | 559 | qout(2) = p(0)*q(2) - p(1)*q(3) + p(2)*q(0) + p(3)*q(1); |
cocorlow | 78:e36a7b844fb5 | 560 | qout(3) = p(0)*q(3) + p(1)*q(2) - p(2)*q(1) + p(3)*q(0); |
cocorlow | 78:e36a7b844fb5 | 561 | // qout.normalize(); |
NaotoMorita | 19:3fae66745363 | 562 | return qout; |
NaotoMorita | 19:3fae66745363 | 563 | } |
NaotoMorita | 19:3fae66745363 | 564 | |
cocorlow | 78:e36a7b844fb5 | 565 | void solaESKF::computeDcm(Matrix3f& dcm, Vector4f quat) |
NaotoMorita | 19:3fae66745363 | 566 | { |
cocorlow | 78:e36a7b844fb5 | 567 | // 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 | 568 | // dcm(1,2) = 2.0f*(quat(2,1)*quat(3,1) - quat(1,1)*quat(4,1)); |
cocorlow | 78:e36a7b844fb5 | 569 | // dcm(1,3) = 2.0f*(quat(2,1)*quat(4,1) + quat(1,1)*quat(3,1)); |
cocorlow | 78:e36a7b844fb5 | 570 | // dcm(2,1) = 2.0f*(quat(2,1)*quat(3,1) + quat(1,1)*quat(4,1)); |
cocorlow | 78:e36a7b844fb5 | 571 | // 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 | 572 | // dcm(2,3) = 2.0f*(quat(3,1)*quat(4,1) - quat(1,1)*quat(2,1)); |
cocorlow | 78:e36a7b844fb5 | 573 | // dcm(3,1) = 2.0f*(quat(2,1)*quat(4,1) - quat(1,1)*quat(3,1)); |
cocorlow | 78:e36a7b844fb5 | 574 | // dcm(3,2) = 2.0f*(quat(3,1)*quat(4,1) + quat(1,1)*quat(2,1)); |
cocorlow | 78:e36a7b844fb5 | 575 | // 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 | 576 | |
cocorlow | 78:e36a7b844fb5 | 577 | dcm(0,0) = quat(0)*quat(0) + quat(1)*quat(1) - quat(2)*quat(2) - quat(3)*quat(3); |
cocorlow | 78:e36a7b844fb5 | 578 | dcm(0,1) = 2.0f*(quat(1)*quat(2) - quat(0)*quat(3)); |
cocorlow | 78:e36a7b844fb5 | 579 | dcm(0,2) = 2.0f*(quat(1)*quat(3) + quat(0)*quat(2)); |
cocorlow | 78:e36a7b844fb5 | 580 | dcm(1,0) = 2.0f*(quat(1)*quat(2) + quat(0)*quat(3)); |
cocorlow | 78:e36a7b844fb5 | 581 | dcm(1,1) = quat(0)*quat(0) - quat(1)*quat(1) + quat(2)*quat(2) - quat(3)*quat(3); |
cocorlow | 78:e36a7b844fb5 | 582 | dcm(1,2) = 2.0f*(quat(2)*quat(3) - quat(0)*quat(1)); |
cocorlow | 78:e36a7b844fb5 | 583 | dcm(2,0) = 2.0f*(quat(1)*quat(3) - quat(0)*quat(2)); |
cocorlow | 78:e36a7b844fb5 | 584 | dcm(2,1) = 2.0f*(quat(2)*quat(3) + quat(0)*quat(1)); |
cocorlow | 78:e36a7b844fb5 | 585 | dcm(2,2) = quat(0)*quat(0) - quat(1)*quat(1) - quat(2)*quat(2) + quat(3)*quat(3); |
NaotoMorita | 19:3fae66745363 | 586 | } |
NaotoMorita | 19:3fae66745363 | 587 | |
NaotoMorita | 44:7d82e63b6a86 | 588 | void solaESKF::setQhat(float ex,float ey,float ez) |
NaotoMorita | 44:7d82e63b6a86 | 589 | { |
cocorlow | 78:e36a7b844fb5 | 590 | float cos_z_2 = std::cos(0.5f*ez); |
cocorlow | 78:e36a7b844fb5 | 591 | float cos_y_2 = std::cos(0.5f*ey); |
cocorlow | 78:e36a7b844fb5 | 592 | float cos_x_2 = std::cos(0.5f*ex); |
NaotoMorita | 19:3fae66745363 | 593 | |
cocorlow | 78:e36a7b844fb5 | 594 | float sin_z_2 = std::sin(0.5f*ez); |
cocorlow | 78:e36a7b844fb5 | 595 | float sin_y_2 = std::sin(0.5f*ey); |
cocorlow | 78:e36a7b844fb5 | 596 | float sin_x_2 = std::sin(0.5f*ex); |
NaotoMorita | 19:3fae66745363 | 597 | |
NaotoMorita | 19:3fae66745363 | 598 | // and now compute quaternion |
cocorlow | 78:e36a7b844fb5 | 599 | qhat(0) = cos_z_2*cos_y_2*cos_x_2 + sin_z_2*sin_y_2*sin_x_2; |
cocorlow | 78:e36a7b844fb5 | 600 | qhat(1) = cos_z_2*cos_y_2*sin_x_2 - sin_z_2*sin_y_2*cos_x_2; |
cocorlow | 78:e36a7b844fb5 | 601 | qhat(2) = cos_z_2*sin_y_2*cos_x_2 + sin_z_2*cos_y_2*sin_x_2; |
cocorlow | 78:e36a7b844fb5 | 602 | qhat(3) = sin_z_2*cos_y_2*cos_x_2 - cos_z_2*sin_y_2*sin_x_2; |
NaotoMorita | 19:3fae66745363 | 603 | } |
NaotoMorita | 19:3fae66745363 | 604 | |
cocorlow | 78:e36a7b844fb5 | 605 | Vector3f solaESKF::calcDynAcc(Vector3f acc) |
NaotoMorita | 75:e2c825cdc511 | 606 | { |
cocorlow | 78:e36a7b844fb5 | 607 | Vector3f accm = acc - accBias; |
NaotoMorita | 80:b241c058df83 | 608 | Matrix3f dcm; |
NaotoMorita | 80:b241c058df83 | 609 | computeDcm(dcm, qhat); |
NaotoMorita | 80:b241c058df83 | 610 | Matrix3f tdcm = dcm.transpose(); |
NaotoMorita | 75:e2c825cdc511 | 611 | |
cocorlow | 78:e36a7b844fb5 | 612 | Vector3f dynAcc = accm+tdcm*gravity; |
NaotoMorita | 75:e2c825cdc511 | 613 | return dynAcc; |
NaotoMorita | 75:e2c825cdc511 | 614 | } |
NaotoMorita | 47:2467de40951f | 615 | |
NaotoMorita | 47:2467de40951f | 616 | |
NaotoMorita | 44:7d82e63b6a86 | 617 | void solaESKF::setGravity(float gx,float gy,float gz) |
NaotoMorita | 23:1509648c2318 | 618 | { |
cocorlow | 78:e36a7b844fb5 | 619 | gravity(0) = gx; |
cocorlow | 78:e36a7b844fb5 | 620 | gravity(1) = gy; |
cocorlow | 78:e36a7b844fb5 | 621 | gravity(2) = gz; |
NaotoMorita | 23:1509648c2318 | 622 | } |
NaotoMorita | 62:5519d34eb6e8 | 623 | |
cocorlow | 78:e36a7b844fb5 | 624 | Vector3f solaESKF::getPihat() |
NaotoMorita | 47:2467de40951f | 625 | { |
NaotoMorita | 47:2467de40951f | 626 | return pihat; |
NaotoMorita | 47:2467de40951f | 627 | } |
cocorlow | 78:e36a7b844fb5 | 628 | Vector3f solaESKF::getVihat() |
NaotoMorita | 47:2467de40951f | 629 | { |
NaotoMorita | 47:2467de40951f | 630 | return vihat; |
NaotoMorita | 47:2467de40951f | 631 | } |
cocorlow | 78:e36a7b844fb5 | 632 | Vector4f solaESKF::getQhat() |
NaotoMorita | 47:2467de40951f | 633 | { |
NaotoMorita | 47:2467de40951f | 634 | return qhat; |
NaotoMorita | 47:2467de40951f | 635 | } |
cocorlow | 78:e36a7b844fb5 | 636 | Vector3f solaESKF::getAccBias() |
NaotoMorita | 47:2467de40951f | 637 | { |
NaotoMorita | 47:2467de40951f | 638 | return accBias; |
NaotoMorita | 47:2467de40951f | 639 | } |
cocorlow | 78:e36a7b844fb5 | 640 | Vector3f solaESKF::getGyroBias() |
NaotoMorita | 47:2467de40951f | 641 | { |
NaotoMorita | 47:2467de40951f | 642 | return gyroBias; |
NaotoMorita | 47:2467de40951f | 643 | } |
cocorlow | 78:e36a7b844fb5 | 644 | Vector3f solaESKF::getGravity() |
NaotoMorita | 47:2467de40951f | 645 | { |
NaotoMorita | 47:2467de40951f | 646 | return gravity; |
NaotoMorita | 47:2467de40951f | 647 | } |
NaotoMorita | 74:f5fe7fecbd3c | 648 | |
cocorlow | 78:e36a7b844fb5 | 649 | VectorXf solaESKF::getErrState() |
NaotoMorita | 47:2467de40951f | 650 | { |
NaotoMorita | 47:2467de40951f | 651 | return errState; |
NaotoMorita | 47:2467de40951f | 652 | } |
NaotoMorita | 23:1509648c2318 | 653 | |
NaotoMorita | 80:b241c058df83 | 654 | VectorXf solaESKF::getState() |
NaotoMorita | 47:2467de40951f | 655 | { |
NaotoMorita | 80:b241c058df83 | 656 | VectorXf state = VectorXf::Zero(nState+1); |
NaotoMorita | 80:b241c058df83 | 657 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 658 | state(i) = pihat(i); |
NaotoMorita | 80:b241c058df83 | 659 | state(i+3) = vihat(i); |
NaotoMorita | 80:b241c058df83 | 660 | } |
NaotoMorita | 80:b241c058df83 | 661 | for (int i = 0; i < 4; i++){ |
NaotoMorita | 80:b241c058df83 | 662 | state(i+6) = qhat(i); |
NaotoMorita | 80:b241c058df83 | 663 | } |
NaotoMorita | 80:b241c058df83 | 664 | for (int i = 0; i < 3; i++){ |
NaotoMorita | 80:b241c058df83 | 665 | state(i+10) = accBias(i); |
NaotoMorita | 80:b241c058df83 | 666 | state(i+13) = gyroBias(i); |
NaotoMorita | 80:b241c058df83 | 667 | state(i+16) = gravity(i); |
NaotoMorita | 80:b241c058df83 | 668 | } |
NaotoMorita | 80:b241c058df83 | 669 | return state; |
NaotoMorita | 47:2467de40951f | 670 | } |
NaotoMorita | 80:b241c058df83 | 671 | |
NaotoMorita | 80:b241c058df83 | 672 | VectorXf solaESKF::getVariance() |
NaotoMorita | 47:2467de40951f | 673 | { |
NaotoMorita | 80:b241c058df83 | 674 | VectorXf variance = VectorXf::Zero(nState); |
NaotoMorita | 80:b241c058df83 | 675 | for (int i = 0; i < nState; i++){ |
NaotoMorita | 80:b241c058df83 | 676 | variance(i) = Phat(i,i); |
NaotoMorita | 80:b241c058df83 | 677 | } |
NaotoMorita | 80:b241c058df83 | 678 | return variance; |
NaotoMorita | 80:b241c058df83 | 679 | } |
NaotoMorita | 80:b241c058df83 | 680 | |
NaotoMorita | 80:b241c058df83 | 681 | void solaESKF::setPhatPosition(float valNE,float valD) |
NaotoMorita | 80:b241c058df83 | 682 | { |
NaotoMorita | 80:b241c058df83 | 683 | setBlockDiag(Phat, valNE, 0,2); |
NaotoMorita | 80:b241c058df83 | 684 | Phat(2,2) = valD; |
NaotoMorita | 80:b241c058df83 | 685 | } |
NaotoMorita | 80:b241c058df83 | 686 | void solaESKF::setPhatVelocity(float valNE,float valD) |
NaotoMorita | 80:b241c058df83 | 687 | { |
NaotoMorita | 80:b241c058df83 | 688 | setBlockDiag(Phat, valNE, 3,5); |
NaotoMorita | 80:b241c058df83 | 689 | Phat(5,5) = valD; |
NaotoMorita | 47:2467de40951f | 690 | } |
NaotoMorita | 47:2467de40951f | 691 | void solaESKF::setPhatAngleError(float val) |
NaotoMorita | 47:2467de40951f | 692 | { |
cocorlow | 78:e36a7b844fb5 | 693 | setBlockDiag(Phat, val, 6,8); |
NaotoMorita | 47:2467de40951f | 694 | } |
NaotoMorita | 47:2467de40951f | 695 | void solaESKF::setPhatAccBias(float val) |
NaotoMorita | 47:2467de40951f | 696 | { |
cocorlow | 78:e36a7b844fb5 | 697 | setBlockDiag(Phat, val, 9,11); |
NaotoMorita | 47:2467de40951f | 698 | } |
NaotoMorita | 47:2467de40951f | 699 | void solaESKF::setPhatGyroBias(float val) |
NaotoMorita | 47:2467de40951f | 700 | { |
cocorlow | 78:e36a7b844fb5 | 701 | setBlockDiag(Phat, val, 12,14); |
NaotoMorita | 47:2467de40951f | 702 | } |
NaotoMorita | 47:2467de40951f | 703 | void solaESKF::setPhatGravity(float val) |
NaotoMorita | 47:2467de40951f | 704 | { |
cocorlow | 78:e36a7b844fb5 | 705 | setBlockDiag(Phat, val, 15,17); |
NaotoMorita | 62:5519d34eb6e8 | 706 | } |
NaotoMorita | 47:2467de40951f | 707 | |
NaotoMorita | 47:2467de40951f | 708 | |
NaotoMorita | 80:b241c058df83 | 709 | void solaESKF::setQVelocity(float valNE,float valD) |
NaotoMorita | 47:2467de40951f | 710 | { |
NaotoMorita | 80:b241c058df83 | 711 | setBlockDiag(Q, valNE, 3, 5); |
NaotoMorita | 80:b241c058df83 | 712 | Q(5,5) = valD; |
NaotoMorita | 47:2467de40951f | 713 | } |
NaotoMorita | 47:2467de40951f | 714 | void solaESKF::setQAngleError(float val) |
NaotoMorita | 47:2467de40951f | 715 | { |
cocorlow | 78:e36a7b844fb5 | 716 | setBlockDiag(Q, val, 6, 8); |
NaotoMorita | 47:2467de40951f | 717 | } |
NaotoMorita | 47:2467de40951f | 718 | void solaESKF::setQAccBias(float val) |
NaotoMorita | 47:2467de40951f | 719 | { |
cocorlow | 78:e36a7b844fb5 | 720 | setBlockDiag(Q, val, 9, 11); |
NaotoMorita | 47:2467de40951f | 721 | } |
NaotoMorita | 47:2467de40951f | 722 | void solaESKF::setQGyroBias(float val) |
NaotoMorita | 47:2467de40951f | 723 | { |
cocorlow | 78:e36a7b844fb5 | 724 | setBlockDiag(Q, val, 12, 14); |
NaotoMorita | 47:2467de40951f | 725 | } |
NaotoMorita | 19:3fae66745363 | 726 | |
NaotoMorita | 80:b241c058df83 | 727 | void solaESKF::setDiag(Matrix3f& mat, float val){ |
NaotoMorita | 80:b241c058df83 | 728 | for (int i = 0; i < mat.cols(); i++){ |
NaotoMorita | 80:b241c058df83 | 729 | for (int j = 0; j < mat.rows(); j++){ |
NaotoMorita | 80:b241c058df83 | 730 | mat(i,j) = 0.0f; |
NaotoMorita | 80:b241c058df83 | 731 | } |
NaotoMorita | 80:b241c058df83 | 732 | } |
cocorlow | 78:e36a7b844fb5 | 733 | for (int i = 0; i < mat.cols(); i++){ |
NaotoMorita | 44:7d82e63b6a86 | 734 | mat(i,i) = val; |
NaotoMorita | 22:7d84b8bc20b4 | 735 | } |
NaotoMorita | 22:7d84b8bc20b4 | 736 | } |
NaotoMorita | 22:7d84b8bc20b4 | 737 | |
NaotoMorita | 80:b241c058df83 | 738 | void solaESKF::setDiag(MatrixXf& mat, float val){ |
NaotoMorita | 80:b241c058df83 | 739 | for (int i = 0; i < mat.cols(); i++){ |
NaotoMorita | 80:b241c058df83 | 740 | for (int j = 0; j < mat.rows(); j++){ |
NaotoMorita | 80:b241c058df83 | 741 | mat(i,j) = 0.0f; |
NaotoMorita | 80:b241c058df83 | 742 | } |
NaotoMorita | 80:b241c058df83 | 743 | } |
NaotoMorita | 80:b241c058df83 | 744 | for (int i = 0; i < mat.cols(); i++) |
NaotoMorita | 80:b241c058df83 | 745 | { |
NaotoMorita | 80:b241c058df83 | 746 | mat(i, i) = val; |
NaotoMorita | 80:b241c058df83 | 747 | } |
NaotoMorita | 80:b241c058df83 | 748 | } |
NaotoMorita | 80:b241c058df83 | 749 | |
cocorlow | 78:e36a7b844fb5 | 750 | void solaESKF::setBlockDiag(MatrixXf& mat, float val, int startIndex, int endIndex){ |
NaotoMorita | 80:b241c058df83 | 751 | |
NaotoMorita | 44:7d82e63b6a86 | 752 | for (int i = startIndex; i < endIndex+1; i++){ |
NaotoMorita | 44:7d82e63b6a86 | 753 | mat(i,i) = val; |
NaotoMorita | 22:7d84b8bc20b4 | 754 | } |
NaotoMorita | 22:7d84b8bc20b4 | 755 | } |
osaka | 51:a5af3b280d23 | 756 | |
NaotoMorita | 58:93ba28cf5cb3 | 757 | void solaESKF::setPihat(float pi_x, float pi_y) |
osaka | 51:a5af3b280d23 | 758 | { |
cocorlow | 78:e36a7b844fb5 | 759 | pihat(0) = pi_x; |
cocorlow | 78:e36a7b844fb5 | 760 | pihat(1) = pi_y; |
NaotoMorita | 58:93ba28cf5cb3 | 761 | //pihat(3,1) = pi_z; |
NaotoMorita | 56:c10f1168bd4a | 762 | } |
NaotoMorita | 73:5770a0d470c0 | 763 | |
cocorlow | 78:e36a7b844fb5 | 764 | Matrix3f solaESKF::Matrixcross(Vector3f v) |
cocorlow | 78:e36a7b844fb5 | 765 | { |
cocorlow | 78:e36a7b844fb5 | 766 | Matrix3f m; |
cocorlow | 78:e36a7b844fb5 | 767 | m << 0.0f, -v(2), v(1), |
cocorlow | 78:e36a7b844fb5 | 768 | v(2), 0.0f, -v(0), |
cocorlow | 78:e36a7b844fb5 | 769 | -v(1), v(0), 0.0f; |
cocorlow | 78:e36a7b844fb5 | 770 | return m; |
cocorlow | 78:e36a7b844fb5 | 771 | } |
NaotoMorita | 56:c10f1168bd4a | 772 | /* |
NaotoMorita | 56:c10f1168bd4a | 773 | void solaESKF::updateAccConstraints(Matrix acc,float palt,Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 774 | { |
NaotoMorita | 56:c10f1168bd4a | 775 | Matrix accm = acc - accBias; |
NaotoMorita | 56:c10f1168bd4a | 776 | Matrix tdcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 777 | computeDcm(tdcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 778 | tdcm = MatrixMath::Transpose(tdcm); |
NaotoMorita | 56:c10f1168bd4a | 779 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 56:c10f1168bd4a | 780 | Matrix a2v = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 781 | |
NaotoMorita | 56:c10f1168bd4a | 782 | Matrix H(4,nState); |
NaotoMorita | 56:c10f1168bd4a | 783 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 56:c10f1168bd4a | 784 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 785 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 786 | H(i,j+15) = tdcm(i,j); |
NaotoMorita | 56:c10f1168bd4a | 787 | } |
NaotoMorita | 56:c10f1168bd4a | 788 | } |
NaotoMorita | 56:c10f1168bd4a | 789 | H(1,10) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 790 | H(2,11) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 791 | H(3,12) = -1.0f; |
NaotoMorita | 56:c10f1168bd4a | 792 | H(4,3) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 793 | |
NaotoMorita | 56:c10f1168bd4a | 794 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 795 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 796 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 797 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 56:c10f1168bd4a | 798 | Matrix z(4,1); |
NaotoMorita | 56:c10f1168bd4a | 799 | z << zacc(1,1) << zacc(2,1) << zacc(3,1) << palt - pihat(3,1); |
NaotoMorita | 56:c10f1168bd4a | 800 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 801 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 802 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 803 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 804 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 805 | } |
NaotoMorita | 56:c10f1168bd4a | 806 | |
NaotoMorita | 56:c10f1168bd4a | 807 | void solaESKF::updateGyroConstraints(Matrix gyro,Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 808 | { |
NaotoMorita | 56:c10f1168bd4a | 809 | Matrix gyrom = gyro - gyroBias; |
NaotoMorita | 56:c10f1168bd4a | 810 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 811 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 812 | Matrix a2v = dcm*MatrixMath::Matrixcross(gyrom(1,1),gyrom(2,1),gyrom(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 813 | |
NaotoMorita | 56:c10f1168bd4a | 814 | Matrix H(2,nState); |
NaotoMorita | 56:c10f1168bd4a | 815 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 56:c10f1168bd4a | 816 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 817 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 818 | H(i,j+12) = -dcm(i,j); |
NaotoMorita | 56:c10f1168bd4a | 819 | } |
NaotoMorita | 56:c10f1168bd4a | 820 | } |
NaotoMorita | 56:c10f1168bd4a | 821 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 822 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(2))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 823 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 824 | |
NaotoMorita | 56:c10f1168bd4a | 825 | Matrix z3 = -dcm*gyrom; |
NaotoMorita | 56:c10f1168bd4a | 826 | Matrix z(2,1); |
NaotoMorita | 56:c10f1168bd4a | 827 | z << z3(1,1) << z3(2,1); |
NaotoMorita | 56:c10f1168bd4a | 828 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 829 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 830 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 831 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 832 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 833 | } |
NaotoMorita | 56:c10f1168bd4a | 834 | void solaESKF::updateMag(Matrix mag, Matrix R) |
NaotoMorita | 56:c10f1168bd4a | 835 | { |
NaotoMorita | 56:c10f1168bd4a | 836 | Matrix dcm(3,3); |
NaotoMorita | 56:c10f1168bd4a | 837 | computeDcm(dcm, qhat); |
NaotoMorita | 56:c10f1168bd4a | 838 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 56:c10f1168bd4a | 839 | |
NaotoMorita | 56:c10f1168bd4a | 840 | Matrix H(2,nState); |
NaotoMorita | 56:c10f1168bd4a | 841 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 56:c10f1168bd4a | 842 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 56:c10f1168bd4a | 843 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 56:c10f1168bd4a | 844 | } |
NaotoMorita | 56:c10f1168bd4a | 845 | } |
NaotoMorita | 56:c10f1168bd4a | 846 | H(1,19) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 847 | //H(3,20) = 1.0f; |
NaotoMorita | 56:c10f1168bd4a | 848 | |
NaotoMorita | 56:c10f1168bd4a | 849 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 56:c10f1168bd4a | 850 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 56:c10f1168bd4a | 851 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 56:c10f1168bd4a | 852 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 56:c10f1168bd4a | 853 | Matrix z(2,1); |
NaotoMorita | 56:c10f1168bd4a | 854 | z << zmag(1,1) << zmag(2,1); |
NaotoMorita | 56:c10f1168bd4a | 855 | errState = K * z; |
NaotoMorita | 56:c10f1168bd4a | 856 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 56:c10f1168bd4a | 857 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 858 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 56:c10f1168bd4a | 859 | fuseErr2Nominal(); |
NaotoMorita | 56:c10f1168bd4a | 860 | } |
NaotoMorita | 59:03fe5e16a33c | 861 | void solaESKF::updateMag(Matrix mag,float palt, Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 862 | { |
NaotoMorita | 59:03fe5e16a33c | 863 | Matrix dcm(3,3); |
NaotoMorita | 59:03fe5e16a33c | 864 | computeDcm(dcm, qhat); |
NaotoMorita | 59:03fe5e16a33c | 865 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 59:03fe5e16a33c | 866 | |
NaotoMorita | 59:03fe5e16a33c | 867 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 868 | for (int i = 1; i < 3; i++){ |
NaotoMorita | 59:03fe5e16a33c | 869 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 870 | H(i,j+6) = a2v(i,j); |
NaotoMorita | 59:03fe5e16a33c | 871 | } |
NaotoMorita | 59:03fe5e16a33c | 872 | } |
NaotoMorita | 59:03fe5e16a33c | 873 | H(1,19) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 874 | H(3,3) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 875 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 876 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 877 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 878 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 59:03fe5e16a33c | 879 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 880 | z << zmag(1,1) << zmag(2,1) << palt - pihat(3,1); |
NaotoMorita | 59:03fe5e16a33c | 881 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 882 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 883 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 884 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 885 | |
NaotoMorita | 59:03fe5e16a33c | 886 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 887 | } |
NaotoMorita | 59:03fe5e16a33c | 888 | void solaESKF::updateGPSVelocity(Matrix velgps,Matrix mag,Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 889 | { |
NaotoMorita | 59:03fe5e16a33c | 890 | |
NaotoMorita | 59:03fe5e16a33c | 891 | Matrix dcm(3,3); |
NaotoMorita | 59:03fe5e16a33c | 892 | computeDcm(dcm, qhat); |
NaotoMorita | 59:03fe5e16a33c | 893 | Matrix a2v = -dcm*MatrixMath::Matrixcross(mag(1,1),mag(2,1),mag(3,1)); |
NaotoMorita | 59:03fe5e16a33c | 894 | |
NaotoMorita | 59:03fe5e16a33c | 895 | |
NaotoMorita | 59:03fe5e16a33c | 896 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 897 | H(1,4) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 898 | H(2,5) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 899 | |
NaotoMorita | 59:03fe5e16a33c | 900 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 59:03fe5e16a33c | 901 | H(3,j+6) = a2v(2,j); |
NaotoMorita | 59:03fe5e16a33c | 902 | } |
NaotoMorita | 59:03fe5e16a33c | 903 | //H(3,19) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 904 | |
NaotoMorita | 59:03fe5e16a33c | 905 | Matrix zmag = -dcm*mag-magField; |
NaotoMorita | 59:03fe5e16a33c | 906 | |
NaotoMorita | 59:03fe5e16a33c | 907 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 908 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+10.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 909 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 910 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 911 | z << velgps(1,1) - vihat(1,1) << velgps(2,1)-vihat(2,1) << zmag(2,1); |
NaotoMorita | 59:03fe5e16a33c | 912 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 913 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 914 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 915 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 916 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 917 | } |
NaotoMorita | 56:c10f1168bd4a | 918 | |
NaotoMorita | 59:03fe5e16a33c | 919 | void solaESKF::updateGPSPosition(Matrix posgps,float palt,Matrix R) |
NaotoMorita | 59:03fe5e16a33c | 920 | { |
NaotoMorita | 59:03fe5e16a33c | 921 | Matrix H(3,nState); |
NaotoMorita | 59:03fe5e16a33c | 922 | H(1,1) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 923 | H(2,2) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 924 | H(3,3) = 1.0f; |
NaotoMorita | 59:03fe5e16a33c | 925 | |
NaotoMorita | 59:03fe5e16a33c | 926 | //Matrix A = H*Phat*MatrixMath::Transpose(H)+R; |
NaotoMorita | 59:03fe5e16a33c | 927 | //Matrix K = (Phat*MatrixMath::Transpose(H))*(MatrixMath::Inv(MatrixMath::Transpose(A)*A+1000.0f*MatrixMath::Eye(3))*MatrixMath::Transpose(A)); |
NaotoMorita | 59:03fe5e16a33c | 928 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 59:03fe5e16a33c | 929 | Matrix z(3,1); |
NaotoMorita | 59:03fe5e16a33c | 930 | z << posgps(1,1) - pihat(1,1) << posgps(2,1)-pihat(2,1) << palt - pihat(3,1); |
NaotoMorita | 59:03fe5e16a33c | 931 | errState = K * z; |
NaotoMorita | 59:03fe5e16a33c | 932 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 59:03fe5e16a33c | 933 | //Phat = Phat-K*(H*Phat*MatrixMath::Transpose(H)+R)*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 934 | //Phat = (MatrixMath::Eye(nState)-K*H)*Phat*MatrixMath::Transpose(MatrixMath::Eye(nState)-K*H)+K*R*MatrixMath::Transpose(K); |
NaotoMorita | 59:03fe5e16a33c | 935 | fuseErr2Nominal(); |
NaotoMorita | 59:03fe5e16a33c | 936 | } |
NaotoMorita | 61:5e5c4fe12440 | 937 | |
NaotoMorita | 61:5e5c4fe12440 | 938 | void solaESKF::updateImuConstraints(Matrix acc,Matrix mag,Matrix R) |
NaotoMorita | 61:5e5c4fe12440 | 939 | { |
NaotoMorita | 61:5e5c4fe12440 | 940 | Matrix accm = acc - accBias; |
NaotoMorita | 61:5e5c4fe12440 | 941 | Matrix magm = mag - magBias; |
NaotoMorita | 61:5e5c4fe12440 | 942 | Matrix dcm(3,3); |
NaotoMorita | 61:5e5c4fe12440 | 943 | computeDcm(dcm, qhat); |
NaotoMorita | 61:5e5c4fe12440 | 944 | Matrix tdcm = MatrixMath::Transpose(dcm); |
NaotoMorita | 61:5e5c4fe12440 | 945 | Matrix tdcm_g = tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 946 | Matrix rotgrav = MatrixMath::Matrixcross(tdcm_g(1,1),tdcm_g(2,1),tdcm_g(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 947 | Matrix rotmag = -dcm*MatrixMath::Matrixcross(magm(1,1),magm(2,1),magm(3,1)); |
NaotoMorita | 61:5e5c4fe12440 | 948 | |
NaotoMorita | 61:5e5c4fe12440 | 949 | Matrix H(5,nState); |
NaotoMorita | 61:5e5c4fe12440 | 950 | for (int i = 1; i < 4; i++){ |
NaotoMorita | 61:5e5c4fe12440 | 951 | for (int j = 1; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 952 | H(i,j+6) = rotgrav(i,j); |
NaotoMorita | 61:5e5c4fe12440 | 953 | } |
NaotoMorita | 61:5e5c4fe12440 | 954 | H(i,16) = tdcm(i,3); |
NaotoMorita | 61:5e5c4fe12440 | 955 | } |
NaotoMorita | 61:5e5c4fe12440 | 956 | |
NaotoMorita | 61:5e5c4fe12440 | 957 | H(1,10) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 958 | H(2,11) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 959 | H(3,12) = -1.0f; |
NaotoMorita | 61:5e5c4fe12440 | 960 | |
NaotoMorita | 61:5e5c4fe12440 | 961 | Matrix magned = dcm*magm; |
NaotoMorita | 61:5e5c4fe12440 | 962 | float hx = sqrt(magned(1,1)*magned(1,1)+magned(2,1)*magned(2,1)); |
NaotoMorita | 61:5e5c4fe12440 | 963 | |
NaotoMorita | 61:5e5c4fe12440 | 964 | for(int j = 1; j < 4; j++){ |
NaotoMorita | 61:5e5c4fe12440 | 965 | H(4,j+6) = rotmag(1,j)-(rotmag(1,j)+rotmag(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 966 | H(4,j+16) = -dcm(1,j)+(dcm(1,j)+dcm(2,j))/hx; |
NaotoMorita | 61:5e5c4fe12440 | 967 | H(5,j+6) = rotmag(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 968 | H(5,j+16) = -dcm(2,j); |
NaotoMorita | 61:5e5c4fe12440 | 969 | } |
NaotoMorita | 61:5e5c4fe12440 | 970 | |
NaotoMorita | 61:5e5c4fe12440 | 971 | Matrix K = (Phat*MatrixMath::Transpose(H))*MatrixMath::Inv(H*Phat*MatrixMath::Transpose(H)+R); |
NaotoMorita | 61:5e5c4fe12440 | 972 | Matrix zacc = -accm-tdcm*gravity; |
NaotoMorita | 61:5e5c4fe12440 | 973 | Matrix zmag = dcm*magm; |
NaotoMorita | 61:5e5c4fe12440 | 974 | Matrix z(5,1); |
NaotoMorita | 61:5e5c4fe12440 | 975 | z << zacc(1,1) << zacc(2,1) << zacc(3,1) << -(zmag(1,1) - hx) << -zmag(2,1); |
NaotoMorita | 61:5e5c4fe12440 | 976 | twelite.printf("%f %f\r\n",hx,(zmag(1,1) - hx)); |
NaotoMorita | 61:5e5c4fe12440 | 977 | errState = K * z; |
NaotoMorita | 61:5e5c4fe12440 | 978 | Phat = (MatrixMath::Eye(nState)-K*H)*Phat; |
NaotoMorita | 61:5e5c4fe12440 | 979 | |
NaotoMorita | 61:5e5c4fe12440 | 980 | fuseErr2Nominal(); |
NaotoMorita | 61:5e5c4fe12440 | 981 | } |
NaotoMorita | 73:5770a0d470c0 | 982 | float q0 = qhat(1,1); |
NaotoMorita | 73:5770a0d470c0 | 983 | float q1 = qhat(2,1); |
NaotoMorita | 73:5770a0d470c0 | 984 | float q2 = qhat(3,1); |
NaotoMorita | 73:5770a0d470c0 | 985 | float q3 = qhat(4,1); |
NaotoMorita | 73:5770a0d470c0 | 986 | |
NaotoMorita | 73:5770a0d470c0 | 987 | float d0 = (-q3*q3-q2*q2+q1*q1+q0*q0); |
NaotoMorita | 73:5770a0d470c0 | 988 | float q0q3q1q2 = (q0*q3+q1*q2); |
NaotoMorita | 73:5770a0d470c0 | 989 | float h1lower = 2.0f*(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f)*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 990 | |
NaotoMorita | 73:5770a0d470c0 | 991 | float d1 = d0*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 992 | float d2 = d0*d0*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 993 | float d3 = d0*sqrt(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f)*(4.0f*q0q3q1q2*q0q3q1q2/d0/d0+1.0f); |
NaotoMorita | 73:5770a0d470c0 | 994 | |
NaotoMorita | 73:5770a0d470c0 | 995 | |
NaotoMorita | 73:5770a0d470c0 | 996 | |
NaotoMorita | 73:5770a0d470c0 | 997 | Matrix Hh(2,4); |
NaotoMorita | 73:5770a0d470c0 | 998 | Hh(1,1) = -(8.0f*q3*q0q3q1q2/d0/d0-16.0f*q0*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 999 | Hh(1,2) = -(8.0f*q2*q0q3q1q2/d0/d0-16.0f*q1*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1000 | Hh(1,3) = -(8.0f*q1*q0q3q1q2/d0/d0-16.0f*q2*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1001 | Hh(1,4) = -(8.0f*q0*q0q3q1q2/d0/d0-16.0f*q3*q0q3q1q2*q0q3q1q2/d0/d0/d0)/h1lower; |
NaotoMorita | 73:5770a0d470c0 | 1002 | |
NaotoMorita | 73:5770a0d470c0 | 1003 | 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 | 1004 | 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 | 1005 | 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 | 1006 | 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 | 1007 | */ |