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48,245 Commits 71 Branches 509 Tags 814 MiB
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591 Commits

Author SHA1 Message Date
Paul Riseborough 6637d9dece AP_NavEKF3: Revert EK3_BETA_MASK parameter extension 
These are not required due to use of bit 7 in FLIGHT_OPTIONS to achieve the same function.
 2021-07-25 09:30:25 +10:00
Paul Riseborough 1d3ed8e9da AP_NavEKF3: Rework non-airspeed wind estimation 
Faster wind estimation when not using airspeed with acceptable noise in wind velocity estimates.
 2021-07-25 09:30:25 +10:00
Paul Riseborough fb6de9ad9d AP_NAvEKF3: use #define value for bad IMU hold time 2021-07-25 09:30:25 +10:00
Paul Riseborough ca00da81cd AP_NavEKF3: Increase lower state variance limit when vibration affected 
This makes state corrections from GPS and baro observations more aggressive
 2021-07-25 09:30:25 +10:00
Paul Riseborough c3f38ec159 AP_NavEKF3: Use sensor variance when checking for bad IMU 2021-07-25 09:30:25 +10:00
Paul Riseborough 00b91b4799 AP_NavEKF3: Make bad IMU status more persistent 2021-07-25 09:30:25 +10:00
Paul Riseborough fdea45a3e4 AP_NavEKF3: Add accessor function for vibration affected status 2021-07-25 09:30:25 +10:00
Paul Riseborough ace601f1dd AP_NavEKF3: Don't update accel bias states if vibration affected 2021-07-25 09:30:25 +10:00
Paul Riseborough 8b16d8dc4c AP_NavEKF3: Use large accel process noise when IMU data is bad 2021-07-25 09:30:25 +10:00
Paul Riseborough eb5a82dd38 AP_NavEKF3: Adjust gyro bias process noise tuning 
NEw value is a compromise between roll/pitch angle and horizontal state velocity estimation errors and the noise in the gyro bias estimate
 2021-07-25 09:30:25 +10:00
Paul Riseborough 942a1f329f AP_NavEKF3: Allow smaller dvel bias state variances for improved tuning 2021-07-25 09:30:25 +10:00
Paul Riseborough ffce6fab70 AP_NavEKF3: Retune IMU process noise 
Required to achieve equivalent fusion noise and weighting on IMU vs other sources to previous param defaults with the old covariance prediction equations.
 2021-07-25 09:30:25 +10:00
Paul Riseborough 77082e414b AP_NavEKF3: Make gyro bias learning less noisy 2021-07-25 09:30:25 +10:00
Paul Riseborough a32fd0a97c AP_NavEKF3: Fix bug preventing learning of XY IMU dvel bias in flight 2021-07-25 09:30:25 +10:00
Paul Riseborough 90a8dc48d1 AP_NavEKF3: Change powf(x,2) to sq(x) 2021-07-25 09:30:25 +10:00
Paul Riseborough bb88aef1b3 AP_NavEKF3: Update covariance prediction equations 2021-07-25 09:30:25 +10:00
Paul Riseborough b6a2f4b4f5 AP_NavEKF3: Use alternate form for quaternion to rotmat equations in derivation 2021-07-25 09:30:25 +10:00
Randy Mackay 5697e5616c AP_NavEKF3: EK3_RNG_USE_HGT param references EK3_SRCx_POSZ 2021-07-22 16:01:00 +10:00
Peter Barker 156a220d5b AP_NavEKF3: pass NavEKF failures back up to callers 2021-07-22 16:01:00 +10:00
Andrew Tridgell 9f03f5a9a9 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
 2021-07-22 16:01:00 +10:00
Andrew Tridgell 4408eecb18 AP_NavEKF3: fixed indentation in readGpsData() 2021-07-22 16:01:00 +10:00
Andrew Tridgell cc03255245 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.
 2021-07-22 16:01:00 +10:00
Andrew Tridgell 8c9663e47c AP_NavEKF3: moved checkUpdateEarthField to be called less often 2021-07-22 16:01:00 +10:00
Andrew Tridgell c05e93e51e AP_NavEKF3: update earth field at 1Hz 
this prevents large mag errors on long distance flights
 2021-07-22 16:01:00 +10:00
Andrew Tridgell edb11d4d71 AP_NavEKF3: convert code_gen.py to ftype 2021-07-22 16:01:00 +10:00
Andrew Tridgell 823ed4c309 AP_NavEKF3: convert powF(xx,2) calls to sq(xx) 2021-07-22 16:01:00 +10:00
Andrew Tridgell b6fb7383e7 AP_NavEKF3: convert EKF3 derivation to ftype 2021-07-22 16:01:00 +10:00
Andrew Tridgell a6c5b65f4a AP_NavEKF3: allow for double EKF build 2021-07-22 16:01:00 +10:00
Paul Riseborough 28a55e8478 AP_NavEKF3: Remove unused class variable rngBcnTimeout 2021-07-04 08:19:10 +10:00
Paul Riseborough 18e949d035 AP_NavEKF3: Ensure postion timeout flag and timer is always reset 2021-07-04 08:19:10 +10:00
Paul Riseborough 43e84c4061 AP_NavEKF3: Fade each vert vel variance clip count over 1 second 2021-07-04 08:19:10 +10:00
Paul Riseborough 7bd944ef3e AP_NavEKF3: Clean up initialisation of boolean array 2021-07-04 08:19:10 +10:00
Paul Riseborough 4b88b2ccec AP_NavEKF3: Remove unwanted line 2021-07-04 08:19:10 +10:00
Paul Riseborough 2565f3917c AP_NavEKF3: Protect against collapse of velocity and position variances 2021-07-04 08:19:10 +10:00
Paul Riseborough e5c34172c1 AP_NavEKF3: Fix bug preventing horizontal position reset if badIMUdata 2021-07-04 08:19:10 +10:00
Paul Riseborough 2161e59369 AP_NavEKF3: Fix bug preventing height reset if badIMUdata 2021-07-04 08:19:10 +10:00
Paul Riseborough 5a793e77c2 AP_NavEKF3: Fix bug preventing velocity reset if badIMUdata 2021-07-04 08:19:10 +10:00
Josh Henderson c881fac1de AP_NavEKF3: Fix #17789 core's ekf origin altitude different if flying 2021-07-04 08:19:10 +10:00
Josh Henderson b85afc0adc AP_NavEKF3: non_GPS modes ensure EKF origin set only once and stays in sync 
ekf3
 2021-07-04 08:19:10 +10:00
Peter Barker d6348a0786 AP_NavEKF3: remove getBodyFrameOdomDebug 
Not used after we moved logging to be within AP_NavEKF3
 2021-06-07 09:28:52 +10:00
Peter Barker dd3ab29b2f AP_NavEKF3: remove getFilterGpsStatus 
Not needed after we moved logging into NavEKF3
 2021-06-07 09:25:53 +10:00
Siddharth Purohit cd5b764fd8 AP_NavEKF3: use first usable compass index to set magSelectIndex 2021-06-02 17:10:19 +10:00
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
Peter Barker 15658362b5 AP_NavEKF3: make time-horizon OF data a local variable 
Saves 40 bytes of RAM per core on stm32
 2021-06-01 09:56:19 +10:00
Randy Mackay 02f6ca51bc AP_NavEKF3: init rngOnGnd to 5cm to avoid div-by-zero 2021-05-28 08:08:08 +09:00
Paul Riseborough 9014afc9d4 AP_NavEKF3: Fix typo in comment 2021-05-11 10:37:08 +10:00