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125 Commits

Author SHA1 Message Date
Peter Barker a0d874baa2 AP_NavEKF3: const accessors 2018-04-07 09:56:18 +09:00
Peter Barker 6791808ac6 AP_NavEKF3: remove unneeded initialisations 
AP_NavEKF3 should never be allocated in uninitialised memory
 2018-04-07 09:54:21 +09:00
Peter Barker d38ff1dd2c AP_NavEKF3: initialise EKF3 constants in declaration not constructor 2018-04-07 09:54:21 +09:00
Pierre Kancir 2b2c1e2d78 AP_NavEKF3: only use bcn EKF is the alignement as been completed 2018-04-03 09:55:13 +09:00
Pierre Kancir 44a21bc8ac EKF3: correct acos to acosf 2018-04-03 09:54:45 +09:00
Pierre Kancir 48c5a9b9c5 AP_NavEKF3: style change in BCN mesurements 2018-04-03 09:54:43 +09:00
Pierre Kancir 4d2f2a2aad AP_NavEKF3: correct flag in case of GPS disable 2018-04-03 09:54:41 +09:00
priseborough 5785523a0d AP_NavEKF3: Clarify definition for gps_glitching flag 2018-03-27 20:28:56 +09:00
Peter Barker 55b8a2288e AP_NavEKF3: use ins singleton 2018-03-16 00:37:35 -07:00
Peter Barker 7b1a906c4e AP_NavEKF3: use baro singleton 2018-03-08 21:20:05 -08:00
Paul Riseborough 6a1055389d AP_NavEKF3: Fix origin height estimator indexing bug 
EKF3 should use index 9 to access vertical position states
 2018-02-21 17:04:30 +10:00
Tatsuya Yamaguchi aef9fa4a63 AP_NavEKF3: delete \n from the log using gcs().send_text 2018-02-02 09:13:54 +09:00
murata 6a87840c7a AP_NavEKF3: Change the if statement to a switch statement. 2018-01-28 22:20:08 +00:00
bugobliterator ea2a880d8a AP_NavEKF3: allocate from MEM_FAST region 2018-01-15 11:46:02 +11:00
Peter Barker 5dc714bf5f AP_NavEKF3: use GPS singleton 2017-12-27 00:58:02 +00:00
Pierre Kancir be96a27fa8 AP_NavEKF3: only report terrain estimator innovations with valid rng value 2017-12-18 22:51:46 +00:00
Andrew Tridgell c13eaf0c7f AP_NavEKF3: removed create() method for objects 
See discussion here:

  https://github.com/ArduPilot/ardupilot/issues/7331

we were getting some uninitialised variables. While it only showed up in
AP_SbusOut, it means we can't be sure it won't happen on other objects,
so safest to remove the approach

Thanks to assistance from Lucas, Peter and Francisco
 2017-12-14 08:12:28 +11:00
Andrew Tridgell 6b30c9213a AP_NavEKF3: delay startup until IMU buffer is filled 
this prevents a vulnerability where the initial IMU data is processed
26 times (where 26 is the IMU buffer length)
 2017-12-12 11:39:38 +11:00
Andrew Tridgell 2c6593e35e AP_NavEKF3: fixed inverted function setInhibitGpsVertVelUse() 2017-11-29 09:47:14 +09:00
priseborough c96bc54254 AP_NavEKF3: correctly use wheel odometry speed for pitched rovers 2017-10-31 08:11:05 +09:00
priseborough ee6b43aabf AP_NavEKF3: Fix bugs in use of wheel encoder data 
Found by pavloblindnology
 2017-10-28 10:58:01 +09:00
Lucas De Marchi bd6145af6d AP_NavEKF3: add static create method 2017-09-26 03:01:21 +01:00
Peter Barker 63440800fc AP_NavEKF3: use rangefinder backend accessors 2017-08-15 18:30:45 +01:00
priseborough 2310cb6d19 AP_NavEKF3: Enable external control over use of GPS vertical velocity 2017-08-10 19:49:45 +10:00
Michael du Breuil efe70c8d3a AP_NavEKF3: Fix possible compass nullptr dereference 2017-08-01 15:25:05 +01:00
priseborough db7c8439c6 AP_NavEKF3: Fix bug in wheel odometry timestamp correction 2017-07-28 12:48:38 +09:00
priseborough c7f6d52065 AP_NavEKF3: Add wheel encoder odometry 
Uses the existing body frame odometry observation model.
Handles each sensored wheel as a separate sensor.
 2017-07-27 16:52:27 +09:00
priseborough cbe8f97489 AP_NavEKF3: rename struct used for velocity odometry observations 
Do this so we can add other odometry observation types.
 2017-07-27 16:52:26 +09:00
priseborough 08a3f55c90 AP_NavEKF3: Fix error in scaling of observation error 2017-07-27 16:52:25 +09:00
priseborough 593437ca95 AP_NavEKF3: Add tuning of visual odometry observation error 
Also adjust default values based on replay analysis.
 2017-07-27 16:52:25 +09:00
priseborough 58d58b4eac AP_NavEKF3: Initialise EKF origin height to field elevation 
Enables copters to set bit position 2 in the EK3_OGN_HGT_MASK parameter without having a large jump in reported local position height.
 2017-07-17 02:22:02 +01:00
priseborough 0827b13feb AP_NavEKF3: Fix default behaviour for height origin corrections 
Previous default was to apply in-flight height origin changes to local position instead of to reported origin height. This caused problems with copters that took off before getting GPS lock.
 2017-07-17 02:22:02 +01:00
Peter Barker 93e09c51d3 AP_NavEKF3: eliminate GCS_MAVLINK::send_statustext_all 2017-07-11 23:53:53 +01:00
Randy Mackay d64b2fcbf0 AP_NavEKF3: final mag reset at 2.5m 2017-07-08 08:39:43 +09:00
priseborough 9d0fa09d39 AP_NavEKF3: Fix calculation of predicted LOS rate in terrain estimator 2017-06-26 14:58:06 +01:00
priseborough a4d18696a7 AP_NavEKF3: Improve variable names and documentation 
Also remove unnecessary calculation of innov * gain
 2017-06-23 00:43:58 +01:00
priseborough 368983ed5a AP_NavEKF3: Clean up aiding mode logic using switch statements 2017-06-23 00:43:58 +01:00
priseborough 2a9eceaf10 AP_NavEKF3: Fix bugs causing height drift when using range beacons 2017-06-23 00:43:58 +01:00
priseborough 7659e9c31f AP_NavEKF3: Improve checking of time delay validity when setting buffers 
This change means that provided the GPS_DELAY_MS parameters are set for each GPS receiver attached, the EKF will not have to wait for the configuration of each receiver to be determined before it can start.
This significantly reduces start-up times when the delay parameters are set.
 2017-06-21 11:44:45 +01:00
priseborough 7d63286088 AP_NavEKF3: update to match AP_GPS interface change 2017-06-21 11:44:45 +01:00
priseborough 06d40a7901 AP_NavEKF3: Fix terrain estimator innovation consistency check 2017-06-20 02:08:56 +01:00
priseborough 284fc0f3c5 AP_NavEKF3: Fix bug in flow fusion for terrain estimation 
Also remove unused class variables
 2017-06-20 02:08:56 +01:00
Andrew Tridgell a1508b58c1 AP_NavEKF3: use AHRS likely flying state 
this sets inFlight when AHRS has indicated flying for 5s
 2017-06-20 09:44:44 +10:00
priseborough edee8396ba AP_NavEKF3: Improve in-flight check for non fly forward vehicles 
This will enable the EK3_MAG_TYPE 0 option to be used for multirotors
 2017-06-19 06:09:07 +10:00
Dr.-Ing. Amilcar Do Carmo Lucas 6a01c65197 AP_NavEKF3: Fix long description of EK3_OGN_HGT_MASK parameter (NFC) 2017-06-16 12:05:20 +01:00
priseborough 49ec2b4032 AP_NavEKF3: Change default value of EK3_OGN_HGT_MASK 
Turn off by default.
Update parameter description.
 2017-06-14 12:44:41 +01:00
priseborough 6d14cf0ab8 AP_NavEKF3: Ensure reported local height = global height - origin height 2017-06-14 12:44:41 +01:00
priseborough 3ae7998f51 AP_NavEKF3: Allow reporting of origin height for specified instance 2017-06-14 12:44:41 +01:00
priseborough e58ba8044d AP_NavEKF3: Improve protection for badly conditioned dVel bias covariances 
If variance falls below desired minimum, set state noise to a larger value.
If variance drops below safe value, set to desired minimum and reset off-diagonals to zero.
 2017-06-14 12:44:41 +01:00
priseborough bf963f8b65 AP_NavEKF3: Raise lower limit on del vel bias state variances 
This is required to prevent co-variance matrix errors due to long periods without movement causing height divergence.
 2017-06-14 12:44:41 +01:00