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144 Commits

Author SHA1 Message Date
Randy Mackay 99022747f3 AP_NavEKF3: pos vel resets default to user defined source 2024-11-26 11:32:25 +11:00
Peter Barker e8f361458e AP_NavEKF3: rename gpsVelInnovTime_ms to gpsRetrieveTime_ms 
in preparation for using this for other things
 2024-09-03 10:34:02 +10:00
Peter Barker 4782ace3b9 AP_NavEKF3: rename lastPosPassTime_ms to lastGpsPosPassTime_ms 2024-09-03 10:34:02 +10:00
Peter Barker 13e7d04497 AP_NavEKF3: make AP_RANGEFINDER_ENABLED remove more code 2024-07-02 09:17:26 +10:00
Paul Riseborough 87bf8d9997 AP_NavEKF3: Treat wind as truth when deadreckoning with no airspeed sensor 2024-06-09 14:25:02 +10:00
Paul Riseborough e53416e77b AP_NavEKF3: Apply GPS quality checks following loss of 3D fix if velocity error is bounded 2024-06-09 14:25:02 +10:00
Paul Riseborough 5fded75eb6 AP_NavEKF3: Adjust sensor height when EK3_OGN_HGT_MASK bit 2 is set 2024-05-23 10:35:51 +10:00
Marek S. Lukasiewicz 07681416f5 AP_NavEKF3: Match handling of MAV_CMD_EXTERNAL_POSITION_ESTIMATE to common MAVLink dialect 2024-03-07 18:13:51 +11:00
Paul Riseborough 5aa7bd0b7a AP_NavEKF3: Allow operation with EK3_SRCx_POSZ = 0 (NONE) 2023-08-23 18:25:26 +10:00
Andy Piper c57efa1b20 AP_NavEKF3: allow high values of EK3_ALT_M_NSE for boards without baros 2023-08-23 18:25:26 +10:00
Paul Riseborough 842882355f AP_NavEKF3: increase innovation variance instead of clipping innovations 2023-08-16 17:56:43 +10:00
Paul Riseborough 573bd7c7f3 AP_NavEKF3: Provide option to clip velocity and position innovations 2023-08-16 17:56:43 +10:00
Andrew Tridgell d11d4fa0bf AP_NavEKF3: fixed velocity reset on AID_NONE 
The ResetVelocity() function is only supposed to reset XY states, not
Z state. Resetting the Z state for velocity results in a large
velocity glitch if a vehicle is descending or ascending when aiding
switches to AID_NONE

this fixes #19386
 2023-06-26 18:09:31 +10:00
Paul Riseborough 4d03327470 AP_NavEKF3: Fix sign error in position fix delay compensation 2023-06-08 16:31:22 +10:00
Paul Riseborough 3677cb025d AP_NavEKF3: Add handlers for external lat lng position set 2023-06-06 15:19:12 +10:00
Peter Barker 5d68f44694 AP_NavEKF3: move beacon variables into structure 
AP_NavEKF3: change beacon variable names
 2023-04-18 09:28:02 +10:00
Paul Riseborough 7063b385cf AP_NavEKF3: Reduce use of GSF yaw for planes with no compass 2023-04-17 08:48:03 +10:00
Paul Riseborough 2228937536 AP_NavEKF3: Don't allow range finder use to start if terrain state is stale 2022-11-22 11:23:44 +11:00
Peter Barker 5cb6906968 AP_NavEKF3: add and use AP_BEACON_ENABLED 2022-11-16 08:16:31 +11:00
Tamas Nepusz 8959d35b91 AP_NavEKF3: add EK3_GPS_VACC_MAX as a threshold that decides whether to use GPS as altitude source depending on vAcc 2022-08-03 17:57:05 +10:00
Randy Mackay e0023a99bc AP_NavEKF3: replace AP_HAL::millis() with dal.millis() 2022-05-18 17:59:57 +10:00
Paul Riseborough 8429c66860 AP_NavEKF3: Make subsequent bad IMU event detections faster 2021-09-23 18:55:28 +10:00
Paul Riseborough 458c67639d AP_NavEKF3: Force velocity state to follow GPS when IMU data is bad 2021-09-23 18:55:28 +10:00
Paul Riseborough c0d88e2673 AP_NavEKF3: Fix vertical velocity reset 
Fixes bug that prevents the vertical velocity being reset to the GPS if the position aiding has already timed out and improves sensitivity of the bad IMU data check.
 2021-09-23 18:55:28 +10:00
Paul Riseborough 17c2ba5ac1 AP_NavEKF3: Fix bug causing too frequent resets if bad IMU data detected 2021-09-23 18:55:28 +10:00
Josh Henderson 3006d50f97 AP_NavEKF3: use vector.xy().length() instead of norm(x,y) 2021-09-14 10:43:46 +10:00
Paul Riseborough 5fa3ed5755 AP_NAvEKF3: use #define value for bad IMU hold time 2021-07-22 18:20:45 +10:00
Paul Riseborough 3e123c0a30 AP_NavEKF3: Use sensor variance when checking for bad IMU 2021-07-22 18:20:45 +10:00
Paul Riseborough e3bdbcd8ea AP_NavEKF3: Make bad IMU status more persistent 2021-07-22 18:20:45 +10:00
Paul Riseborough ed61287410 AP_NavEKF3: Don't update accel bias states if vibration affected 2021-07-22 18:20:45 +10:00
Andrew Tridgell fc2118f42b AP_NavEKF3: process GPS yaw independently of GPS fix 
this processes GPS yaw with its own timestamp and as a separated step
from fusing position and velocity. This makes the yaw time handling
more accurate as yaw for moving baseline GPS comes in as a separate
piece of data from the position and velocity
 2021-07-21 17:59:49 +10:00
Andrew Tridgell 6b73c2151a AP_NavEKF3: implement moving origin 
this shifts EKF_origin to the current location at 1Hz, while leaving
public_origin alone. All output APIs and logging are relative to
public_origin.

The effect of this change is to remove the distortion caused by a
spherical earth, which allows the EKF to operate without errors at
very long distances from the public_origin.
 2021-07-14 17:34:40 +10:00
Andrew Tridgell 885e518741 AP_NavEKF3: allow for double EKF build 2021-07-10 07:20:41 +10:00
Paul Riseborough 9d85a4292e AP_NavEKF3: Ensure postion timeout flag and timer is always reset 2021-06-23 13:26:02 +09:00
Paul Riseborough de3c6d6e5c AP_NavEKF3: Fade each vert vel variance clip count over 1 second 2021-06-23 13:26:02 +09:00
Paul Riseborough ac92182153 AP_NavEKF3: Clean up initialisation of boolean array 2021-06-23 13:26:02 +09:00
Paul Riseborough b0763f04f1 AP_NavEKF3: Remove unwanted line 2021-06-23 13:26:02 +09:00
Paul Riseborough b7aad13cc8 AP_NavEKF3: Protect against collapse of velocity and position variances 2021-06-23 13:26:02 +09:00
Paul Riseborough 36160ba9ce AP_NavEKF3: Fix bug preventing horizontal position reset if badIMUdata 2021-06-23 13:26:02 +09:00
Paul Riseborough 5d00b7d042 AP_NavEKF3: Fix bug preventing height reset if badIMUdata 2021-06-23 13:26:02 +09:00
Paul Riseborough e4eb8339d0 AP_NavEKF3: Fix bug preventing velocity reset if badIMUdata 2021-06-23 13:26:02 +09:00
Paul Riseborough a5a25411da AP_NavEKF3: Remove unnecessary baro limiting 2021-06-02 11:13:16 +09:00
Paul Riseborough 124f016e5b AP_NavEKF3: Use parameter to set baro ground effect dead-zone 2021-06-02 11:13:16 +09:00
Paul Riseborough 76d0dcc25c AP_NavEKF3: Use common method for handling baro ground effect 2021-06-02 11:13:16 +09:00
Andrew Tridgell dc9435a88d AP_NavEKF3: don't limit baro change when we are in fixed wing mode 2021-06-02 11:13:16 +09:00
Peter Barker c00f110f3d AP_NavEKF3: use DAL APIs for takeoff/touchdown expected 2021-06-02 11:13:16 +09:00
Paul Riseborough ac87cab6bc AP_NavEKF3: constify array index variable 2021-03-23 10:05:59 +11:00
Paul Riseborough 1498b516a3 AP_NavEKF3: Don't try to learn gyro biases that are poorly observable 2021-03-23 10:05:59 +11:00
Paul Riseborough 918606e71d AP_NavEKF3: Don't use fake measurements to learn dvel bias 2021-03-23 10:05:59 +11:00
Paul Riseborough c709ad9c80 AP_NavEKF3: Add missing axis specific dvel bias update inhibit 2021-03-23 10:05:59 +11:00