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13,139 Commits 71 Branches 509 Tags 814 MiB
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232 Commits

Author SHA1 Message Date
priseborough 17cdac7bc8 AP_NavEKF : Clean up angle and mag field initialisation 
This path reduces duplicated code, eliminates unused variables and
causes the earth magnetic field states to be reset when exiting static mode
which will occur every time copter is armed. This enables copters to be
powered on and initialised inside vehicles or houses, without bad earth
field values affecting flight.
 2014-03-24 19:54:48 +11:00
priseborough 7ae86b3979 AP_NavEKF : Track baro height observations pre-arm 
This prevents copter from failing the pre-arm height discrepancy test
 2014-03-23 18:25:50 +11:00
priseborough 7780d55788 AP_NavEKF : Prevent large magnetic field adaptations early in flight 2014-03-22 19:55:26 +11:00
Paul Riseborough f7007569d1 AP_NavEKF : Fix bug that limits copter sensor delay compensation to 125 
msec
 2014-03-21 21:52:20 +11:00
Paul Riseborough b2c0979947 AP_NavEKF : Fixes bug that causes accel bias to diverge in static mode, preventing copter arming 2014-03-21 21:49:50 +11:00
Paul Riseborough 8a2d16d13d AP_NavEKF : modifed Zaccel bias noise parameter to prevent unstable bias estimate 2014-03-20 08:50:00 +11:00
Paul Riseborough dacba5d911 AP_NavEKF : Update default tuning parameters (for plane use) 2014-03-14 06:07:58 +11:00
Paul Riseborough d0828d9c15 AP_NavEKF : Prevent bad user parameter causing incorrect GPS fusion 2014-03-14 06:07:58 +11:00
Paul Riseborough a24bfc1b8a AP_NavEKF : Use synthetic sideslip fusion during GPS denied operation with airspeed 2014-03-14 06:07:57 +11:00
Paul Riseborough 35811758d7 AP_NavEKF : Update comments and remove un-used function declarations 2014-03-14 06:07:57 +11:00
Paul Riseborough 784034170d AP_NavEKF : increased useage of helper functions 2014-03-10 21:54:03 +11:00
Paul Riseborough 7b3130cfcc AP_NaVEKF : Enable operation without airspeed and compass 2014-03-10 21:53:09 +11:00
Paul Riseborough 3a5acb9cea AP_NavEKF : improved on-ground, in-air check and GPS yaw alignment 2014-03-10 14:07:34 +11:00
Paul Riseborough b47a11edf6 AP_NavEKF : improved static and on-ground mode selection logic 2014-03-10 04:39:59 +11:00
Paul Riseborough 15a44571c2 AP_NavEKF : enable operation without a compass for planes 2014-03-09 20:01:45 +11:00
Paul Riseborough 2019708056 AP_NavEKF : Make all compass use autodetect 2014-03-09 19:59:19 +11:00
Paul Riseborough e485b246e7 AP_NavEKF : update comments 2014-03-09 19:59:18 +11:00
Paul Riseborough c8bd415b00 AP_NavEKF : Add sideslip constraint to allow plane flight without magnetometer 2014-03-09 19:59:17 +11:00
Paul Riseborough 52fabc822f AP_NavEKF : Add low speed magnetometer calibration option 2014-03-09 19:59:16 +11:00
priseborough 6ace31b6c1 AP_NavEKF : Fix bug that leaves height unconstrained in static mode 2014-03-09 19:27:21 +11:00
Paul Riseborough 94ff7522fc AP_NavEKF : Fix bug in initial East mag field state variance 2014-03-08 07:44:34 +11:00
Andrew Tridgell 449d09051e AP_NavEKF: cope with compass going offline while in flight 2014-03-02 14:32:10 +11:00
Andrew Tridgell 77f91e6250 AP_NavEKF: don't assume the number of gyros == number of accels 2014-03-02 13:53:19 +11:00
Paul Riseborough ebb3cc3348 AP_NavEKF : Use average of dual IMU gyro data when available 2014-03-02 13:28:44 +11:00
Paul Riseborough a39d00fc13 AP_NavEKF : Fix bug that prevents Zacc bias state variance being updated 2014-03-02 13:27:22 +11:00
Paul Riseborough 573b3210dd AP_NavEKF : Add div0 protection to the IMU1_weighting calc 2014-03-02 08:10:06 +11:00
Paul Riseborough bd152d332c AP_NavEKF : Add accel aliasing protection 2014-03-02 08:10:04 +11:00
Andrew Tridgell 853271dd37 Replay: moved replay tool into Tools/Replay 2014-03-01 14:30:55 +11:00
Andrew Tridgell 295cd9adba AP_NavEKF: give a sensible error for no such file on replay 2014-03-01 14:24:51 +11:00
Paul Riseborough 854f013146 AP_NavEKF : Fixes zero compass offsets on initialisation 2014-02-28 19:43:12 +11:00
Andrew Tridgell 736201689b AP_NavEKF: only use the active accel from DCM if fly_forward is set 2014-02-27 17:40:13 +11:00
Paul Riseborough 62eff63267 AP_NavEKF : Increase the tuning range for magnetometer measurement noise 2014-02-27 17:20:38 +11:00
Andrew Tridgell a9e683dada AP_NavEKF: use the accelerometer chosen by DCM for each step 2014-02-27 09:41:48 +11:00
Paul Riseborough 78a1cac560 AP_NavEKF : Improved heading and magnetic field state initialisation 2014-02-27 08:12:10 +11:00
Paul Riseborough d83b382e59 AP_NavEKF : Fix variance constraint bug 
Constraining variances to a minimum value of 1e-9 was causing problems
with gyro bias and angular accuracy in noisy GPS environments.
Because the constraint is applied after every covariance prediction
and correction, a lower value of 0 is more appropriate.
 2014-02-27 08:12:03 +11:00
Andrew Tridgell 8b59e564ba AP_NavEKF: improved replay timing 2014-02-27 08:11:04 +11:00
Andrew Tridgell 66f238c0da AP_NavEKF: support 400Hz replay from 50Hz logs 2014-02-26 19:34:01 +11:00
Andrew Tridgell 63874dfffd AP_NavEKF: set fix type in GPS replay 2014-02-25 21:10:49 +11:00
Andrew Tridgell 09cce5d24e AP_NavEKF: fixed replay with current copter logs 2014-02-25 20:56:53 +11:00
Paul Riseborough 72a91ccbca AP_NavEKF : Prevents aliasing triggering innovation consistency check failures 2014-02-25 15:55:44 +11:00
Paul Riseborough 5db9a87d31 AP_NavEKF : fixed bug in velocity rate of change filter 
This bug meant the velocity rate of change used to scale the GPS measurement variances was noisy and too small
 2014-02-23 19:50:37 +11:00
Paul Riseborough 01c84c3f47 AP_NavEKF : fixed bug in height limit range 2014-02-23 19:50:36 +11:00
Paul Riseborough 36d619ec3a AP_NavEKF : Changed default IMU bias process noise to use smallest value 2014-02-23 19:50:36 +11:00
Paul Riseborough 89e0b48320 AP_NavEKF : Bug fix for height drift due to timer wrap-around 2014-02-23 19:50:35 +11:00
Paul Riseborough 939a32a7bb AP_NavEKF : Improved stability of Z accel bias 2014-02-23 19:50:34 +11:00
Andrew Tridgell ffbd655ba0 AP_NavEKF: support dual sensors in log replay, and fix flight altitude 2014-02-23 08:17:55 +11:00
Andrew Tridgell 707cc2b532 AP_NavEKF: allow log filename to be specified in replay 2014-02-23 08:17:01 +11:00
Andrew Tridgell 4e56196655 AP_NavEKF: allow states to be accessed using names as well as a Vector22 2014-02-21 20:24:47 +11:00
Andrew Tridgell 20b0444c15 AP_NavEKF: remove sleep on init of EKF 
this prevents HIL from locking up, and also prevents a possible 1s
delay in flight on EKF init
 2014-02-19 22:04:12 +11:00
Andrew Tridgell c9d0c1face AP_NavEKF: use ahrs->get_armed() for static mode demanded 2014-02-19 10:52:57 +11:00
Andrew Tridgell 536160a3fb AP_NavEKF: use AHRS get_correct_centrifugal() 2014-02-19 10:28:45 +11:00
Andrew Tridgell 869e41fd03 AP_NavEKF: fixed detection of airspeed sensor 
the get_airspeed() AHRS call can change as the user enables/disables
the airspeed sensor, plus it only gets enabled after the NavEKF
constructor runs.
 2014-02-19 09:22:45 +11:00
Paul Riseborough 1ade39977a AP_NavEKF : covariance prediction cleanup 2014-02-19 09:22:45 +11:00
Paul Riseborough 8daca145d0 AP_NavEKF : useAirspeed set automatically 2014-02-19 09:22:45 +11:00
Paul Riseborough 6fbada26d3 AP_NavEKF : Improvements to staticMode robustness 2014-02-19 09:22:45 +11:00
Andrew Tridgell 5bf170c440 AP_NavEKF: fixed log replay code 
also added BARO and ARSP messages
 2014-02-18 09:25:07 +11:00
Paul Riseborough 7a82746fcc AP_NavEKF : fixed bug in pos and vel reset when in static mode 2014-02-16 22:35:19 +11:00
Paul Riseborough 275ef86f86 AP_NavEKF : Position and Velocity reset bugfix 2014-02-16 21:05:37 +11:00
Paul Riseborough b22dc706b2 AP_NavEKF : staticMode bugfix and robustness improvements 2014-02-16 21:04:55 +11:00
Paul Riseborough 2926602718 AP_NavEKF : Cleaned up InitialiseFilterDynamic 2014-02-16 21:04:51 +11:00
Paul Riseborough 404fbafe26 AP_NavEKF : Changed timout behaviour to only reset PosVel states 2014-02-16 21:04:46 +11:00
Andrew Tridgell 24e1070eb2 AP_NavEKF: initialise quaternion from rotation matrix 2014-02-15 12:21:11 +11:00
Andrew Tridgell c6b24c521b AP_NavEKF: force healthy false when initialising 
this prevents us feeding off our own values when booting

Pair-Programmed-With: Paul Riseborough <p_riseborough@live.com.au>
 2014-02-15 09:25:40 +11:00
Andrew Tridgell 8201f9c928 AP_NavEKF: don't build example 2014-02-15 06:40:06 +11:00
Andrew Tridgell a7a44a9a5c AP_NavEKF: fixed init order warning 2014-02-15 05:48:24 +11:00
Paul Riseborough b56c8211c9 AP_NavEKF: Reduced number of Mavlink tuneable parameters 2014-02-15 05:48:23 +11:00
Paul Riseborough c20fac1269 AP_NavEKF: Updated comments for private functions 2014-02-15 05:48:23 +11:00
Paul Riseborough deb64c4cbd AP_NavEKF: Pos Vel reset after long GPS timeout 2014-02-15 05:48:23 +11:00
Paul Riseborough 7ac0172db1 AP_NavEKF: removed repeated intialisation 2014-02-15 05:48:23 +11:00
Paul Riseborough 28fb5e364b AP_NavEKF: Fixed bug in pos/vel/hgt reset on timout 2014-02-15 05:48:23 +11:00
Paul Riseborough f74cce8b4e AP_NavEKF : Removed double to float conversions 2014-02-15 05:48:23 +11:00
Paul Riseborough 80f6dba694 AP_NavEKF: Improved control of fusion update intervals 2014-02-15 05:48:23 +11:00
Paul Riseborough 13b9daeff5 AP_NavEKF: Added constraints to Mavlink tuneable parameters 2014-02-15 05:48:23 +11:00
Paul Riseborough b123e1bb16 AP_NavEKF: Improved in-air reset behaviour 2014-02-15 05:48:22 +11:00
Paul Riseborough 1651980b9f AP_NavEKF: Improved behaviour following loss and regaining of GPS 2014-02-15 05:48:22 +11:00
Paul Riseborough 14eb63e7c9 AP_NavEKF: Made most tuning parameters Mavlink adustable 2014-02-15 05:48:22 +11:00
Andrew Tridgell f800f5592d AP_NavEKF: fixup parameter handling 2014-02-15 05:48:22 +11:00
Paul Riseborough f0f76920fa AP_NavEKF : Mavlink tunable parameter - first attempt 2014-02-15 05:48:22 +11:00
Paul Riseborough 128f71157d AP_NavEKF: Fixed bug in pre GPS fix updates 2014-02-15 05:48:22 +11:00
Paul Riseborough 357743ee2d AP_NavEKF: Adjusted tuning parameters for plane use 2014-02-15 05:48:22 +11:00
Paul Riseborough b4171853b1 AP_NavEKF: allow initialisation before GPS lock to aid indoor testing 2014-02-15 05:48:21 +11:00
Paul Riseborough 7fb60812c2 AP_NavEKF: Added pitch and roll inertial sensor to body trim adjustment 2014-02-15 05:48:21 +11:00
Paul Riseborough 9d375da550 AP_NavEKF: changed sqrt to sqrtf 2014-02-15 05:48:21 +11:00
Paul Riseborough 1f0b4b02d0 AP_NavEKF: fixed merge error that inverted static mode 2014-02-15 05:48:21 +11:00
Paul Riseborough 401e3aee43 AP_NavEKF : Changes to test harness to support accel bias states 2014-02-15 05:48:21 +11:00
Paul Riseborough 5219869389 AP_NavEKF : Added Z accel bias state and bootstrap initialisation method 2014-02-15 05:48:21 +11:00
Randy Mackay 301a04b74a AP_NavEKF: update params for copter 2014-02-15 05:48:21 +11:00
Randy Mackay 7c73020015 AP_NavEKF: make params public so they can be tuned 2014-02-15 05:48:20 +11:00
Paul Riseborough 5c3dea28dc AP_NavEKF : Enable staticMode to be set externally 2014-02-15 05:48:20 +11:00
Andrew Tridgell 77c4968342 AP_NavEKF: enable plotting in plot2.dat too 2014-02-15 05:48:20 +11:00
Andrew Tridgell ab2a5a0672 AP_NavEKF: enable some debug 2014-02-15 05:48:20 +11:00
Paul Riseborough 0d4d287215 AP_NavEKF: comment and parameter tweaks for ground testing 2014-02-15 05:48:20 +11:00
Paul Riseborough b6b0c2a489 AP_NavEKF: fixed bug in flag reset for hgt fusion 2014-02-15 05:48:19 +11:00
Paul Riseborough 2f3b2a7111 AP_NavEKF: second attempt at higher rate baro fusion 2014-02-15 05:48:19 +11:00
Paul Riseborough cdbc5a3f35 AP_NavEKF: added position observations to static mode 2014-02-15 05:48:19 +11:00
Paul Riseborough da2c341914 Revert "AP_NavEKF: Modifed Vel Pos fusion to fuse height data whenever baro reading has changed" 
This reverts commit d1e1be192a0e7ab0771edc9f2c03547da25697cf.
 2014-02-15 05:48:19 +11:00
Paul Riseborough 32cc427ff4 AP_NavEKF: Modifed Vel Pos fusion to fuse height data whenever baro reading has changed 2014-02-15 05:48:19 +11:00
Paul Riseborough 2998aa1a6a AP_NavEKF: Amended tuning parameter list, and changed from variance to noise definitions 2014-02-15 05:48:19 +11:00
Paul Riseborough f9aae1b90b AP_NavEKF: fixed bug in variance constraint code 2014-02-15 05:48:19 +11:00
Paul Riseborough 735c9684da AP_NavEKF: removed error in constructor comments 2014-02-15 05:48:19 +11:00