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EKF: Restore protection from extreme innovation values

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This commit is contained in:
Paul Riseborough
2021-01-21 10:13:28 +11:00
committed by Paul Riseborough
parent efb78deef9
commit b919f3ddf4
1 changed files with 4 additions and 0 deletions
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EKF/vel_pos_fusion.cpp
+4
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@@ -108,6 +108,10 @@ bool Ekf::fuseHorizontalPosition(const Vector3f &innov, const Vector2f &innov_ga
const bool innov_check_pass = test_ratio(0) <= 1.0f;
if (innov_check_pass || inhibit_gate) {
if (inhibit_gate && test_ratio(0) > sq(100.0f / innov_gate(0))) {
// always protect against extreme values that could result in a NaN
return false;
}
if (!_fuse_hpos_as_odom) {
_time_last_hor_pos_fuse = _time_last_imu;