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EKF: fix axis label error in comments

This commit is contained in:
Paul Riseborough 2016-05-01 16:19:25 +10:00
parent 57d3036ee7
commit f4e84a2234
1 changed files with 3 additions and 3 deletions
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6
EKF/optflow_fusion.cpp
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@ -279,7 +279,7 @@ void Ekf::fuseOptFlow()
H_LOS[1][5] = -t2*(q0*q3*2.0f+q1*q2*2.0f);
H_LOS[1][6] = t2*(q0*q2*2.0f-q1*q3*2.0f);
// calculate intermediate variables for the X observaton innovatoin variance and klmna gains
// calculate intermediate variables for the Y observaton innovatoin variance and Kalman gains
float t3 = q3*ve*2.0f;
float t4 = q0*vn*2.0f;
float t11 = q2*vd*2.0f;
@ -372,7 +372,7 @@ void Ekf::fuseOptFlow()
float t94 = t2*t10*t76;
float t77 = R_LOS+t37+t43+t56+t63+t70-t85-t94;
float t78;
// calculate innovation variance for X axis observation and protect against a badly conditioned calculation
// calculate innovation variance for Y axis observation and protect against a badly conditioned calculation
if (t77 >= R_LOS) {
t78 = 1.0f / t77;
_flow_innov_var[1] = t77;
@ -383,7 +383,7 @@ void Ekf::fuseOptFlow()
return;
}
// calculate Kalman gains for X-axis observation
// calculate Kalman gains for Y-axis observation
Kfusion[0][1] = -t78*(t12+P[0][5]*t2*t8-P[0][6]*t2*t10+P[0][1]*t2*t16-P[0][2]*t2*t19+P[0][3]*t2*t22+P[0][4]*t2*t27);
Kfusion[1][1] = -t78*(t31+P[1][0]*t2*t5+P[1][5]*t2*t8-P[1][6]*t2*t10-P[1][2]*t2*t19+P[1][3]*t2*t22+P[1][4]*t2*t27);
Kfusion[2][1] = -t78*(-t79+P[2][0]*t2*t5+P[2][5]*t2*t8-P[2][6]*t2*t10+P[2][1]*t2*t16+P[2][3]*t2*t22+P[2][4]*t2*t27);