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Fix: Stop getting velocity covariance from quaternion variance #14779

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Apr 28, 2020
Merged

Fix: Stop getting velocity covariance from quaternion variance #14779

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12 changes: 6 additions & 6 deletions src/modules/ekf2/ekf2_main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1120,12 +1120,12 @@ void Ekf2::Run()
// velocity measurement error from ev_data or parameters
float param_evv_noise_var = sq(_param_ekf2_evv_noise.get());

if (!_param_ekf2_ev_noise_md.get() && PX4_ISFINITE(_ev_odom.pose_covariance[_ev_odom.COVARIANCE_MATRIX_VX_VARIANCE])
&& PX4_ISFINITE(_ev_odom.pose_covariance[_ev_odom.COVARIANCE_MATRIX_VY_VARIANCE])
&& PX4_ISFINITE(_ev_odom.pose_covariance[_ev_odom.COVARIANCE_MATRIX_VZ_VARIANCE])) {
ev_data.velVar(0) = fmaxf(param_evv_noise_var, _ev_odom.pose_covariance[_ev_odom.COVARIANCE_MATRIX_VX_VARIANCE]);
ev_data.velVar(1) = fmaxf(param_evv_noise_var, _ev_odom.pose_covariance[_ev_odom.COVARIANCE_MATRIX_VY_VARIANCE]);
ev_data.velVar(2) = fmaxf(param_evv_noise_var, _ev_odom.pose_covariance[_ev_odom.COVARIANCE_MATRIX_VZ_VARIANCE]);
if (!_param_ekf2_ev_noise_md.get() && PX4_ISFINITE(_ev_odom.velocity_covariance[_ev_odom.COVARIANCE_MATRIX_VX_VARIANCE])
&& PX4_ISFINITE(_ev_odom.velocity_covariance[_ev_odom.COVARIANCE_MATRIX_VY_VARIANCE])
&& PX4_ISFINITE(_ev_odom.velocity_covariance[_ev_odom.COVARIANCE_MATRIX_VZ_VARIANCE])) {
ev_data.velVar(0) = fmaxf(param_evv_noise_var, _ev_odom.velocity_covariance[_ev_odom.COVARIANCE_MATRIX_VX_VARIANCE]);
ev_data.velVar(1) = fmaxf(param_evv_noise_var, _ev_odom.velocity_covariance[_ev_odom.COVARIANCE_MATRIX_VY_VARIANCE]);
ev_data.velVar(2) = fmaxf(param_evv_noise_var, _ev_odom.velocity_covariance[_ev_odom.COVARIANCE_MATRIX_VZ_VARIANCE]);

} else {
ev_data.velVar.setAll(param_evv_noise_var);
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