97 Commits

Author SHA1 Message Date
Paul Riseborough
6aeccf01ff EKF: Add missing fusion health status messages 2016-02-08 14:18:43 +11:00
Paul Riseborough
a22886544d EKF: Add missing Kalman gain to Declination fusion autocode 2016-02-08 14:02:08 +11:00
Paul Riseborough
2c8c6efb45 EKF: Eliminate use of power function to square numbers
Use of the power function to square a number can be very inefficient depending on processor and compiler. Replace with an inlined function  that multiplies the number by itself. This has not been put into the maths library because the use of the sq() function is peculiar to the autocode generated for the EKF and an inlined function was desired.
2016-02-08 11:11:59 +11:00
Paul Riseborough
42a943b37e EKF: Fix text errors introduced when editing optical flow fusion autocode fragment 2016-02-07 21:49:50 +11:00
Paul Riseborough
f99256286b Merge pull request #40 from PX4/pr-updateOpticalFlowAutoCode
Update EKF Optical Flow Fusion Autocode Fragments
2016-02-07 19:35:38 +11:00
Paul Riseborough
384ce06110 EKF: Add alternative code fragments for optical flow fusion
These fragments were generated using the inbuilt matlab symbolic toolbox autocoder and may be more efficient than the other method
2016-02-07 19:31:13 +11:00
Paul Riseborough
dba462b9f3 EKF: Improve efficiency of optical flow fusion auto generated code fragments 2016-02-07 19:29:49 +11:00
Paul Riseborough
3f81eb7d1b EKF: fix formatting 2016-02-04 17:15:03 +11:00
Paul Riseborough
9bfc11b660 EKF: Use specific position observation noise when flying without GPS
A larger position uncertainty is required when flying without GPS to reduce tilt attitude estimation errors caused by vehicle manoeuvring. This needs to be tuneable to allow optimisation for different use cases (e.g. outdoor vs indoor).
2016-02-03 18:40:32 +11:00
Paul Riseborough
7de1d39ce4 EKF: Improve use of position and velocity observation noise parameters
Fix bug where noise parameters were not being squared when calculating the observation variance.
Use GPS reported speed accuracy to set velocity observation noise and use the parameter to set the minimum.
2016-02-03 18:15:38 +11:00
Paul Riseborough
2b1e8fe910 EKF: Update tuning parameters
Set conservative defaults as a baseline for tuning
Add a missing parameter for magnetometer observation noise.
Correct error in definition of magnetic heading observations noise (previous parameter defined the variance directly, not the noise).
Scale vertical GPS noise to allow for average EPV to EPH ratio.
Update documentation and display names for consistency.
2016-02-03 17:05:45 +11:00
Lorenz Meier
b21a49b3f9 EKF: Use standard C++ initializers 2016-01-31 23:24:36 +01:00
Roman
b749a7557b fixed typos 2016-01-31 21:36:58 +01:00
bugobliterator
d79e12dfa1 EKF: fix code style 2016-01-31 00:12:16 -08:00
bugobliterator
8200ef4d17 EKF: allocate and unallocate buffer more robustly 2016-01-31 00:12:16 -08:00
bugobliterator
c6249a2825 EKF: change estimator base class name to estimation interface 2016-01-31 00:12:07 -08:00
bugobliterator
3cafedd4c1 EKF: start storing samples only when ekf is initialised 2016-01-30 12:46:01 -08:00
bugobliterator
b062bd2e38 EKF: move estimator specific variables to estimator core 2016-01-30 12:45:23 -08:00
bugobliterator
287f5eb0c2 EKF: move all estimator specific types to common header 2016-01-30 12:44:19 -08:00
bugobliterator
b05e2d825c EKF: move estimator specific initialisations to estimator core 2016-01-30 12:42:24 -08:00
Paul Riseborough
f1b82057c0 EKF: Combine GPS velocity innovation gate parameters
Separate vertical and horizontal parameters for GPS velocity innovation gates are not required
2016-01-30 12:21:50 -08:00
Paul Riseborough
466a104534 EKF: additional GPS check logic
Improve naming of NED origin initialisation status
Add check for GPS solution type
Use GPS checks when regaining GPs in-flight
2016-01-30 12:21:39 -08:00
bugobliterator
a779d45cd0 ekf2: fix bug causing faulty imu data storage 2016-01-29 23:56:24 -08:00
bugobliterator
92dc41e885 EKF: fix typo in function declaration 2016-01-29 20:05:07 -08:00
bugobliterator
3eea6cdcc5 EKF: use namespace for structure definitions
will be moved to a separate file in the future
2016-01-29 20:04:21 -08:00
bugobliterator
001d621eb1 EKF: move imu data processing code to estimator core 2016-01-29 20:03:25 -08:00
bugobliterator
251996d387 ekf: move gps checks to Ekf library from estimator_base 2016-01-29 17:15:18 -08:00
Paul Riseborough
46b0e9654c Add filter control logic 2016-01-30 09:01:48 +11:00
Paul Riseborough
9236f11c80 EKF: Add position and velocity innovation consistency checks 2016-01-28 16:33:54 +11:00
Paul Riseborough
7713cc8c20 Merge pull request #17 from priseborough/pr-addMagErrHandling
EKF: Add magnetometer fusion error handling
2016-01-28 13:43:57 +11:00
Lorenz Meier
f4b2c0eecf Merge pull request #11 from mcharleb/PRIu64-fix
Fixed printf of uint64_t
2016-01-28 01:01:10 +01:00
Paul Riseborough
802129f384 EKF: Add magnetometer fusion error handling 2016-01-28 09:53:55 +11:00
Paul Riseborough
39eef3a2d7 EKF: Remove use of camel case variable names
Also fixes bug in GPS speed accuracy check that was using horizontal position accuracy variable by mistake.
2016-01-28 08:37:45 +11:00
Paul Riseborough
cc50d26601 EKF: Update comments 2016-01-28 08:13:38 +11:00
Paul Riseborough
4526cb9c4f EKF: remove redundant variable 2016-01-28 07:50:45 +11:00
Paul Riseborough
6326433c47 EKF: Eliminate call to hrt_absolute_time()
This will make the library more portable
2016-01-27 19:04:31 +11:00
Paul Riseborough
94a6644684 Add comprehensive user selectable GPS checks 2016-01-25 13:07:57 +11:00
Roman
8d0022ab1e enable estimator state and innovations data logging 2016-01-22 11:31:14 +01:00
Roman
86df68e404 added interface for parameters 2016-01-22 10:45:03 +01:00
Roman Bapst
9b7afa2600 Merge pull request #12 from nickolasrossi/master
fix buffer overflow in constrain of wind velocity
2016-01-20 07:27:00 +01:00
nickolasrossi
dfbbd36ff7 fix buffer overflow in constrain of wind velocity 2016-01-19 18:25:22 -08:00
Mark Charlebois
79bf35c4b3 Fixed printf of uint64_t
Must use PRIu64 to prevent compiler errors.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>
2016-01-18 22:19:10 -08:00
Roman Bapst
2c80614e20 Merge pull request #10 from PX4/delta_ang_bias_fix
fix delta angle bias usage:
2016-01-14 17:10:47 +01:00
Roman
0b5c90574c fix delta angle bias usage:
the delta angle bias was applied to imu data which was not coming in the same
time intervall as the filter was operating. Therefore, the delta angle bias
applied to new imu data had to be scaled correctly in order to match
the imu time interval.
2016-01-14 17:06:02 +01:00
Roman Bapst
749156d4aa Merge pull request #7 from PX4/ekf2_fixes
Ekf2 fixes
2016-01-08 07:09:01 +01:00
Roman
2af5856361 initialise output height with baro 2016-01-08 06:59:10 +01:00
Roman
a41f75ffb1 use full mag fusion 2016-01-08 06:59:10 +01:00
Roman
f8354bb5e9 - do not fake vertical gps measurement as we have baro
- formatting

Conflicts:
	EKF/ekf.cpp
2016-01-08 06:59:10 +01:00
Roman
2a88fc6cfd initialise vertical position correctly 2016-01-08 06:42:22 +01:00
Roman
5aa5f7f8c3 use correct timestamp for measurements 2016-01-08 06:42:03 +01:00