From 20c3a329c72ca5950f7bb037473a812b4dd74b1b Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Thu, 7 Aug 2014 07:36:59 +0200 Subject: [PATCH] Introduce similar checks fo all other health checks in the filter --- .../estimator_23states.cpp | 21 +++++++++++++++++-- 1 file changed, 19 insertions(+), 2 deletions(-) diff --git a/src/modules/ekf_att_pos_estimator/estimator_23states.cpp b/src/modules/ekf_att_pos_estimator/estimator_23states.cpp index c619735c61..c7c7305b2a 100644 --- a/src/modules/ekf_att_pos_estimator/estimator_23states.cpp +++ b/src/modules/ekf_att_pos_estimator/estimator_23states.cpp @@ -1032,10 +1032,16 @@ void AttPosEKF::FuseVelposNED() // apply a 5-sigma threshold current_ekf_state.velHealth = (sq(velInnov[0]) + sq(velInnov[1]) + sq(velInnov[2])) < 25.0f * (varInnovVelPos[0] + varInnovVelPos[1] + varInnovVelPos[2]); current_ekf_state.velTimeout = (millis() - current_ekf_state.velFailTime) > horizRetryTime; - if (current_ekf_state.velHealth || current_ekf_state.velTimeout) - { + if (current_ekf_state.velHealth || staticMode) { current_ekf_state.velHealth = true; current_ekf_state.velFailTime = millis(); + } else if (current_ekf_state.velTimeout || !current_ekf_state.posHealth) { + // XXX check + current_ekf_state.velHealth = true; + ResetVelocity(); + ResetStoredStates(); + // do not fuse bad data + fuseVelData = false; } else { @@ -1056,6 +1062,17 @@ void AttPosEKF::FuseVelposNED() { current_ekf_state.posHealth = true; current_ekf_state.posFailTime = millis(); + + if (current_ekf_state.posTimeout) { + ResetPosition(); + + // XXX cross-check the state reset + ResetStoredStates(); + + // do not fuse position data on this time + // step + fusePosData = false; + } } else {