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433 Commits

Author SHA1 Message Date
Randy Mackay 597d5227f5 AC_WPNav: rename set_loiter_target to init_loiter_target 2014-05-19 12:27:25 +09:00
Randy Mackay e7b3c00767 AC_WPNav: set_loiter_target uses set_xy_target 
Loiter is only a horizontal position controller so it should not set the
z-axis position.
Moved pos_control.set_speed and accel functions so order matches
init_loiter_targets function order
 2014-05-19 12:27:20 +09:00
Ju1ien aed5787c1b AC_WPNav: bug fix for loiter init in Hybrid 
AC_PosControl::init_xy_controller() has been added to PosControl and is
called by init_loiter_target.
Hybrid is currently using set_loiter_target function to init the loiter
controller. So we have to call init_xy_controller() by set_loiter_target
function.
What happens otherwise?
In AC_PosControl::update_xy_controller, we update "now" with
now = hal.scheduler->millis();
and, as _last_update_xy_ms has not been updated previously by
init_xy_controller(), we just call init_xy_controller().
So, _dt_xy  will be negative and used anyways in all the functions and
PID called by update_xy_controller.
That will avoid at least _accel_target.x/y to be set to 0 but I'm not
sure for the high values, probably an I_term that is not reset and
reached very high value.
Or maybe a cast error somewhere... no clue at all
 2014-05-19 12:27:16 +09:00
Randy Mackay 5d20594fa4 AC_WPNav: bug fix for loiter and waypoint update rate 
Thanks to EmileC for spotting this
 2014-05-12 20:13:46 +09:00
Randy Mackay badc127c34 AC_WPNav: fix example sketch 2014-05-08 16:25:13 +09:00
lthall 9ab9eaec25 AC_WPNav: Loiter jerk default to 10m/s/s/s 
Pair programmed with Randy
 2014-05-08 16:16:05 +09:00
Randy Mackay 1cb297580f Copter: reduce Circle init twitch by using stopping point 2014-05-08 16:15:57 +09:00
Randy Mackay 091ff91a70 WPNav: add wp_and_spline_init to set speeds an init pos controller 2014-05-08 16:15:50 +09:00
Randy Mackay 48ec0caf75 AC_WPNav: run navigation at 10hz in SITL 2014-05-08 16:15:44 +09:00
lthall b38c484874 AC_WPNav: add LOIT_JERK parameter 
Limit accel output from loiter controller.
Call new pos_control.init_xy_controller when loiter starts
Remove sudden stop when pilot requested acceleration is zero

Pair programmed with Randy
 2014-05-08 16:15:38 +09:00
Randy Mackay fd9f8f571f AC_WPNav: replace inav, ahrs pointers with references 2014-05-08 16:15:26 +09:00
Randy Mackay 7dd366d84e AC_WPNav: init_loiter sets speed, accel before calcing stopping distance 
The stopping distance depends upon the speed and acceleration so these
must be updated first
 2014-04-30 21:46:18 +09:00
Randy Mackay 0103ae2eb0 AC_WPNav: add WPNAV_ACCEL_Z 
Allows configurable z-axis acceleration during missions
 2014-04-30 21:46:12 +09:00
Randy Mackay 510c9920a6 AC_WPNav: rename get_horizontal_velocity to get_speed_xy 
This new method name is consistent with the equivalent in the
AC_PosControl class
 2014-04-30 21:46:06 +09:00
Randy Mackay db51d37071 AC_WPNav: add clear_pilot_desired_acceleration 
This allows quickly clearing out the pilot desired acceleration for
loiter contoller.
 2014-04-25 14:45:14 +09:00
Randy Mackay ad99918fee AC_WPNav: recalc leash lengths if set_horizontal_velocity is called 
Resolves bug in which do-set-speed allowed reducing the speed during the
mission but not increasing it.
Slow down distance is also recalculated.
Unnecessary call to calc_wp_leash_length removed from
set_spline_origin_and_destination.
 2014-04-24 13:16:08 +09:00
Randy Mackay 46fba47c8e AC_WPNav: slow target point's speed near destination 2014-04-24 13:16:00 +09:00
Randy Mackay 7c02a02bd8 AC_WPNav: reset_I flag moved to position controller 2014-04-23 15:00:14 +09:00
Randy Mackay 4d5b73b968 AC_WPNav: add reset_I to set_loiter_target 2014-04-23 15:00:07 +09:00
Ju1ien 5d0476e522 AC_WPNav: add reset_I to init_loiter_target 2014-04-23 14:59:47 +09:00
Randy Mackay 559a258ede AC_WPNav: bug fix to limit target point from moving beyond leash 
Also pull Z-axis acceleration from position controller instead of using
#define
 2014-04-22 23:05:11 +09:00
Randy Mackay 648787a6c8 AC_WPNav: rename some definitions 2014-04-21 15:06:29 +09:00
Randy Mackay 2167dd7d3e AC_WPNav: update target speed immediately 2014-04-21 14:51:26 +09:00
Randy Mackay d382fa51ee AC_WPNav: run loiter and wp nav at 50hz on Pixhawk 2014-04-21 13:32:02 +09:00
Randy Mackay 72d2712c4e AC_WPNav: integrate update_xy_controller name change 2014-04-21 13:31:58 +09:00
Randy Mackay 966340a02a Circle: integrate update_xy_controller name change 2014-04-21 13:31:57 +09:00
Randy Mackay 94d38ee294 AC_Circle: add get_closest_point_on_circle 
init_start_angle method added to use current heading or position to
decide on initial start angle
 2014-04-16 16:28:04 +09:00
Randy Mackay 60f522a094 AC_WPNav: set_wp_destination to use current target 
Previously we used the projected stopping point if the vehicle had not
reached the destination but this could lead to large jumps in target
position
 2014-04-13 22:42:50 +09:00
Randy Mackay 15da01cf3a AC_WPNav: replace safe_sqrt with pythagorous2 2014-04-01 20:43:45 +09:00
Randy Mackay b15d4379d8 AC_WPNav: use atan2f, make methods const 2014-03-30 23:09:51 +09:00
Randy Mackay d27ca53a9d AC_WPNav: spline sets origin vel to zero when no prev segment 
Issue caught by Michael Oborne
 2014-03-30 15:19:18 +09:00
Randy Mackay 7dfde39e19 AC_WPNav: advance_spline to use dt 2014-03-30 15:02:07 +09:00
Randy Mackay c0458b786a AC_WPNav: check acceleration is non zero 2014-03-30 11:52:44 +09:00
Randy Mackay f0f3688172 AC_WPNav: rounder corners for short spline segments 2014-03-30 11:52:41 +09:00
Randy Mackay 197683d539 WPNav: clean up spline comments 2014-03-29 17:57:47 +09:00
Randy Mackay 24eb195aa3 WPNav: add yaw control for straight line wp nav 2014-03-28 09:23:13 +09:00
Randy Mackay b42b12f7be AC_WPNav: add get_spline_yaw 2014-03-28 09:23:07 +09:00
Randy Mackay e5e71ce371 WPNav: add spline support 2014-03-28 09:22:53 +09:00
Andrew Tridgell 04587efb2d AC_WPNav: fixed example build 2014-03-19 12:14:00 +09:00
Randy Mackay 98bdbb7fed AC_WPNav: set loiter accel to 1/2 of speed 
Bug fix from Leonard.
Also fixed some formatting.
 2014-02-20 21:37:45 +09:00
Randy Mackay 6af705d455 AC_Circle: bug fix for pos target when radius is zero 2014-02-16 13:46:38 +11:00
Randy Mackay bf3effcd10 AC_WPNav: fix example sketch 2014-02-15 06:09:08 +11:00
Randy Mackay fbf8106280 AC_Circle: remove AC_PID include 
This is no longer required with introduction of PosControl lib
 2014-02-15 06:09:08 +11:00
Randy Mackay e86a21a254 AC_WPNav: remove AC_PID include 
This is no longer required with introduction of PosControl lib
 2014-02-15 06:09:08 +11:00
Randy Mackay 9e31f0b985 AC_WPNav: use PosControl accessor 
Saves 2bytes of RAM
 2014-02-15 05:27:50 +11:00
Randy Mackay 598a1b1f43 AC_Circle: use trig values from ahrs 2014-02-15 05:27:48 +11:00
Randy Mackay 64cfcb2308 AC_WPNav: use trig values from ahrs 2014-02-15 05:27:48 +11:00
Randy Mackay 17177adccf AC_Circle: remove debug comment 2014-02-15 05:27:46 +11:00
Randy Mackay 864f64b61a AC_Circle: circle control library 2014-02-15 05:27:40 +11:00
Randy Mackay d4e4620159 AC_WPNav: remove unused PID references 2014-02-15 05:27:39 +11:00
Randy Mackay fc427967ae AC_WPNav: set wp origin to horiz and vert stopping point 
Also bug fix to set pos_control's down speed as a negative number
 2014-02-15 05:27:39 +11:00
Randy Mackay 4cd45e2edf AC_WPNav: remove debug 2014-02-15 05:27:38 +11:00
Randy Mackay 1596d83d02 AC_WPNav: move leashes to AC_PosControl 2014-02-15 05:27:37 +11:00
Randy Mackay 0d4ba04e75 AC_WPNav: make advance_wp_target private 2014-02-15 05:27:37 +11:00
Randy Mackay 0c8cbba644 AC_WPNav: remove xy pos controller 2014-02-15 05:27:36 +11:00
Randy Mackay 2984e492df AC_WPNav: add reference to AC_PosControl 
Also remove requirement to pass in inertial nav position and velocity to
init_loiter method
 2014-02-15 05:27:35 +11:00
Randy Mackay c9415a08f1 AC_WPNav: use ahrs trig values 2014-02-08 18:16:47 +09:00
Randy Mackay 0a3559813a AC_WPNav: accessor for loiter speed 2014-01-15 15:22:30 +09:00
Andrew Tridgell 29b37b72e4 AC_WPNAV: fixed example build 2013-12-17 11:51:37 +11:00
Randy Mackay 5767aa47d9 AC_WPNav: reduce leash length for stopping 
We now limit the target stopping point to 1x the xy leash length while
previously it was 2x.  This is justified because this limit is only used
when the copter is travelling at higher speeds but at higher speeds air
drag tends to make the copter stop more quickly naturally.
 2013-12-13 22:12:30 +09:00
Randy Mackay 952afd296e Copter: initialise waypoint leash length 
Without this initialisation the first RTL could be too aggressive as it
tries to stop too suddenly
 2013-12-12 16:23:37 +09:00
Andrew Tridgell 30fffa5854 AC_WPNav: fixed some build warnings 2013-12-11 10:21:41 +11:00
Tobias c3309d909c AC_WPNav: make more member pointers const 2013-10-27 13:41:29 +09:00
Tobias bb5cf4a311 AC_WPNav: make member pointer to AP_InertialNav object const since it's 
never modified
 2013-10-27 13:41:23 +09:00
Tobias 1ecb583dd9 AC_WPNav: replace unnecessary objects with const refs 2013-10-27 13:40:53 +09:00
Andrew Tridgell e1aa6e3ff1 libraries: fixed examples for no flash_leds() callback 2013-09-19 18:38:28 +10:00
Randy Mackay 45aeb1a921 Copter: split up loiter into 4 steps 
Reduces disruption to the main loop but also introduces a delay of 30ms
to navigation output
 2013-08-28 11:33:10 +09:00
Randy Mackay 6969ab573d Copter: configurable max lean angle 
ANGLE_MAX parameter allows limiting the roll and pitch angles during
manual and auto flight modes to anywhere from 10 to 80 degrees
 2013-08-11 12:53:22 +09:00
Andrew Tridgell 82152c058e AC_WPNav: disabled broken example build 
this test doesn't actually do anything yet
 2013-07-15 14:09:48 +10:00
Randy Mackay bf5a50f738 WPNav: stopping point projection uses wp_leash 2013-07-11 11:39:44 +09:00
Randy Mackay 345924ddec WPNav: replace LOITER_ACCEL_MAX with parameter 
Also removed unused _lean_angle_max variable
 2013-07-10 20:00:32 +09:00
Randy Mackay 204f613467 WPNav: bug fix to reported distance to target 
This value is for reporting purposes only
 2013-07-10 18:21:08 +09:00
Randy Mackay 518eba0729 WPNav: bug fix to loiter accel calculation 
Contribution from Leonard Hall
 2013-07-10 17:52:12 +09:00
Randy Mackay c4f17b3235 WPNav: rounding error fix in loiter 
Contributed by Leonard Hall
 2013-07-10 16:24:37 +09:00
Randy Mackay 5d23d5aaa7 WPNav: reduce loiter speed used to correct pos error 
Contributed by Leonard Hall
This should reduce the aggressiveness of the response when we experience
a GPS glitch
 2013-07-10 15:52:18 +09:00
Randy Mackay 649cbf6b68 WPNav: reduce default WP_ACCEL and LOITER_SPEED 2013-07-07 16:00:13 -10:00
Randy Mackay dde19c9585 WPNav: add acceleration parameter 
WP_ACCEL added to allow user control of acceleration during missions.
Loiter acceleration made to be half of loiter max speed
 2013-06-16 11:40:51 +09:00
Randy Mackay 272f0e5032 Copter: reduce twitch when entering CIRCLE mode 
Set loiter target and prev iterations velocity when circle mode is
started
Start circling from projected stopping point
 2013-06-15 18:18:30 +09:00
Randy Mackay 7a2afb7443 Copter Nav: add accessor for waypoint speed 2013-06-01 18:21:29 +09:00
Randy Mackay 89bbf5844f Copter WPNav: remove unused variable 2013-05-31 21:41:32 +09:00
Randy Mackay 8c4a7ec094 Copter WPNav: Leonard's improved speed fix 
Also pass in althold gain from main code
 2013-05-31 21:03:27 +09:00
Randy Mackay a1926441da Copter: use fast tan for accel to lean angle calcs 
Committed on behalf of Leonard
 2013-05-30 18:25:04 +09:00
Randy Mackay d203f0295b Copter: bug fix for vertical speed during missions 2013-05-30 11:52:04 +09:00
Randy Mackay dbd6524f9f Copter: WPNav consolidate acceleration #defines 2013-05-27 10:36:24 +09:00
Randy Mackay e3dffb920b Copter: initialise target vel in loiter 2013-05-25 14:07:04 +09:00
Randy Mackay a474b97291 Copter: resolve compiler warning re unused vars 2013-05-25 13:32:15 +09:00
Randy Mackay 916f241fff Copter: Leonard's improved Loiter 2013-05-24 23:45:03 +09:00
Randy Mackay 46d65150af Copter: lengthen loiter stopping point 
This will make stops less aggressive when entering loiter at very high
speeds (more 7.5m/s)
 2013-05-22 17:35:20 +09:00
Randy Mackay 400c1bd7b7 Copter: smooth waypoint transitions 
Speed of intermediate point is initialised and constrained based on
current speed vector vs direction to the next waypoint.
This means the copter does not slow if the previous segment and next
segment are in line and also the intermediate point is not advanced
towards the next waypoint if the copter is moving quickly in the
opposite direction.
 2013-05-22 14:17:26 +09:00
Randy Mackay cb795ea536 WPNav: divide by zero checks 2013-05-15 11:51:26 +09:00
Randy Mackay 55235630b6 Copter: bug fix for slow loiter repositioning 2013-05-12 14:51:02 +09:00
Randy Mackay 61288fcb90 WPNav: make get_stopping_point method public 2013-05-11 16:05:42 +09:00
Randy Mackay ed5ddfd9db WPNav: initialise desired roll, pitch 
bug-fix to resolve 1/10th second twitch when loiter or waypoint
controller are first engaged
 2013-05-09 18:32:02 +09:00
Randy Mackay 9f735c8d03 WPNav: add fast waypoints flag 
Waypoint is considered "reached" when the intermediate point reaches the
destination
 2013-05-09 00:18:02 +09:00
Randy Mackay 4704b729c2 WPNav: reduce max acceleration to 2.5m/s 
Also includes bug fix to ramp up of speed of intermediate point
 2013-05-08 23:20:29 +09:00
Andrew Tridgell 55d148abdd AC_WPNav: fixed example build 2013-05-08 16:44:59 +10:00
Randy Mackay 328d900647 WPNav: flexible loiter speed 
Also includes bug fix to allow speeds > 10m/s during missions
 2013-05-07 17:11:24 +09:00
Randy Mackay 1f8161b493 AC_WPNav: remove unnecessary speed constraint 2013-05-07 11:58:04 +09:00
Randy Mackay 647a93e78e Copter: remove jerk when entering RTL or AUTO 
Loiter target position was not being initialised properly.
Add a few more comments
 2013-05-03 16:58:00 +09:00
Andrew Tridgell ba83950fc4 libraries: replace constrain() with constrain_float() 
this makes the type much more obvious. Thanks to Tobias for the
suggestion.
 2013-05-02 10:25:40 +10:00
Randy Mackay ad01aeee44 Copter: increase max loiter overshoot to 8.12m 2013-04-30 18:07:48 +09:00
Randy Mackay c139134192 Copter: increase max loiter speed to 7.5m/s 2013-04-30 12:49:19 +09:00
Randy Mackay 6c081c3def AC_WPNav: slow acceleration of intermediate point 2013-04-30 10:20:23 +09:00
Andrew Tridgell ad40ba57be AC_WPNav: optimise to reduce memory copies 
save a few cycles

Pair-Programmed-With: Randy Mackay <rmackay9@yahoo.com>
 2013-04-22 12:21:58 +10:00
Randy Mackay 2fc25da4c3 Copter: Leonard's fix for get_loiter_accel_to_lean_angle 2013-04-21 16:27:50 +09:00
Randy Mackay 1c046fa49f AC_WPNav: increase max descent speed to 1.5m/s 2013-04-18 22:32:00 +09:00
Randy Mackay ed298363f4 AC_WPNav: remove unnecessary limit in leash calc 2013-04-18 22:31:44 +09:00
Randy Mackay 764853bd56 AC_WPNav: add climb and descent params, dynamic leash length 2013-04-18 14:51:01 +09:00
Randy Mackay effd5b0da7 AC_WPNav: improved comments 
Made SPEEDZ a parameter although it's not yet used
 2013-04-18 11:17:41 +09:00
Randy Mackay 8046fe2cf3 AC_WPNav: increase max accel to 8m/s/s 2013-04-15 21:57:56 +09:00
Randy Mackay 8fe3e689f4 Copter: add WPNAV log message 2013-04-15 21:54:29 +09:00
Randy Mackay 0eab3e87b2 AC_WPNav: use prev wp as origin for next wp 2013-04-14 18:27:39 +09:00
Randy Mackay 0351c2ae33 AC_WPNav: allow setting of horizontal velocity 
Also added accessor function for waypoint radius parameter
 2013-04-14 13:24:14 +09:00
Randy Mackay 252e98ec57 AC_WPNav: use global gravity constant 2013-04-14 10:39:32 +09:00
Randy Mackay 0ac3762bdd AC_WPNav: fix compiler warning 2013-04-14 10:39:26 +09:00
Randy Mackay 9d7d174995 AC_WPNAV: check distance to waypoint within library 
bug fix for loiter using lat/lon position instead of NED position when
calculating desired velocity towards target
 2013-04-14 10:39:21 +09:00
Randy Mackay 35001619f0 AC_WPNav: stop track_desired from moving backwards 2013-04-14 10:39:19 +09:00
Randy Mackay c6b68c7843 AC_WPNav: Leonard's 3d leash calculator 2013-04-14 10:39:08 +09:00
Randy Mackay 74e1c2e660 AC_WPNav: advance track fixes 2013-04-14 10:39:05 +09:00
Randy Mackay bc87118062 AC_WPNav: add get_target_alt method 2013-04-14 10:39:00 +09:00
Randy Mackay 6dbcbdcb43 AC_WPNav: limit max loiter position error 
move interpretation of pilot input to wpnav lib
 2013-04-14 10:38:58 +09:00
Randy Mackay 31838b2865 AC_WPNAV: change loiter controllers to use floats 
in particular get_loiter_pos_lat_lon and get_loiter_accel_lat_lon
 2013-04-14 10:38:56 +09:00
Randy Mackay 0ccdce1b22 AC_WPNav: Leonard's ff loiter and 3d wp nav 2013-04-14 10:38:43 +09:00
Randy Mackay 926c404994 AC_WPNav: Leonard's loiter target smoothing 2013-04-14 10:38:39 +09:00
Randy Mackay f82ce449d7 AC_WPNav: add angle limits and set from AC's throttle controller 2013-04-14 10:38:34 +09:00
Randy Mackay afd2f82768 AC_WPNav: bug fix for track covered being 2D 
Replaced abs and fabs with fabsf
Added get_destination method
 2013-04-14 10:38:32 +09:00
Randy Mackay 8ec7fd1c9c AC_WPNav: add set_loiter_target to use velocity 
Target can be set in front of the copter to reduce the bounce back to
the position where loiter was engaged.
 2013-04-14 10:38:25 +09:00
Randy Mackay 3bfcc3b8d0 AC_WPNav: replace get_target_alt with get_destination_alt 2013-04-14 10:38:13 +09:00
Randy Mackay c40080e76a AC_WPNav: added set_target_alt 2013-04-14 10:38:04 +09:00
Randy Mackay 60060d8184 AC_WPNav: add get_target_alt 
Required because waypoint controller will be modified to control
altitude
 2013-04-14 10:37:58 +09:00
Randy Mackay 0d70ba1030 AC_WPNav: bug fix to dt calculation 2013-04-14 10:37:51 +09:00
Randy Mackay 39bc3800c9 AC_WPNav: add distance and bearing to target methods 2013-04-14 10:34:50 +09:00
Randy Mackay b92c4097d2 AC_WPNav: first implementation 2013-04-14 10:34:47 +09:00