Commit Graph
809 Commits
Author SHA1 Message Date
Silvan Fuhrer 889a2fddea FW Position Control: remove unnsed params
Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
2022-08-19 19:06:07 +02:00
Silvan Fuhrer 5a2127d026 fixed-wing: update rate controller integrator handling
-always reset roll/pitch/yaw integrators at the same time
-reset them while waiting for launch or during FW Takeoff before Climbout
-reset wheel rate integrator only when disarmed

Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
2022-08-19 09:40:48 +02:00
Thomas Stastny 0ea347a5c9 fw pos ctrl: fix the touchdown offset on flare, and nudge the wheel directly 2022-08-08 09:32:44 +02:00
Thomas Stastny 02d7a46025 fw pos ctrl: increase landing nudge rate 2022-08-08 09:32:44 +02:00
Silvan Fuhrer a064164c14 FW pos C params: add param group FW Auto Landing
Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
2022-08-05 14:11:59 +02:00
Silvan Fuhrer b039ae1614 FW pos c params: change grouping of some clearly longitudinal params to TECS
Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
2022-08-05 14:11:59 +02:00
Silvan Fuhrer 45073f000a FW Position control: reduce defaults for max pitch
Signed-off-by: Silvan Fuhrer <silvan@auterion.com>
2022-08-05 14:11:59 +02:00
Beniamino Pozzan a20483ed11 msg/position_controller_landing_status.msg: fix constant name conventions
- msg constant names now comply with ROS conventions:
uppercase alphanumeric characters with underscores for separating words

partially fix #19917

Signed-off-by: Beniamino Pozzan <beniamino.pozzan@phd.unipd.it>
2022-07-28 11:29:03 -04:00
Hamish Willee e6eed43648 Spelling errors (#19935) 2022-07-27 14:33:16 +10:00
Thomas Stastny 413ce8a3c4 fw pos ctrl: absorb fw_lnd_rel_ter into fw_lnd_useter parameter 2022-07-19 22:37:09 -04:00
Thomas Stastny de3ac12ecd fw pos ctrl params: clarify landing parameters, change defaults
FW_LND_USETER defaulted to 1 and FW_LND_ABORT terrain based bits all enabled. why? because using a distance sensor is critical to detecting when to flare, and we want to force the user to actively disable these safety settings if they so choose, so that they understand the implications.
2022-07-19 22:37:09 -04:00
Thomas Stastny 26cb55ec2c fw pos ctrl: takeoff and landing nudging enabled by default 2022-07-19 22:37:09 -04:00
Thomas Stastny 121cc1fce8 fw pos ctrl: rework landing abort status
abort boolean and reasons no longer separated, single status field with corresponding abort triggers
2022-07-19 22:37:09 -04:00
Thomas Stastny 694d36050a fw pos ctrl: update landing parameter descriptions 2022-07-19 22:37:09 -04:00
Thomas Stastny 888e72661f fw pos ctrl: add option to fix the glide slope reference altitude
- new param, FW_LND_TER_REL
- fixing the glide slope helps keep the landing glide behavior steady (avoiding bumps in the altitude setpoint from e.g. trees)
- flare is still triggered via the distance sensor, if enabled by FW_LND_USETERR
2022-07-19 22:37:09 -04:00
Thomas Stastny c60b215574 fw pos ctrl: allow negative landing glide slope relative altitude
when the vehicle did not track the slope well (e.g. at an offset above the track) and the altitude setpoint flattening on intersection with terrain, the throttle would spool up to smoothly intersect the newly flattened altitude setpoint, this could happen before the flare altitude was reached, which is bad. now the steady state glide behavior will be maintained, and flare can trigger at the appropriate time
2022-07-19 22:37:09 -04:00
Thomas Stastny 4953fdd1ab fw pos ctrl: variable min calibrated airsp in auto airspeed adjuster 2022-07-19 22:37:09 -04:00
Thomas Stastny 6612d4696d fw pos ctrl: fix glide slope calculation, from geometry, not param 2022-07-19 22:37:09 -04:00
Thomas Stastny d73b2e8625 fw pos ctrl params: update flaring param values and docs 2022-07-19 22:37:09 -04:00
Thomas Stastny 7283cd7c9d fw pos ctrl: fix virtual waypoint calculation typo 2022-07-19 22:37:09 -04:00
Thomas Stastny 8f5b274e72 fw pos ctrl: refactor terrain estimate and land abort
- improve terrain estiamte documentation
- add landing abort condition bitmasked parameter to choose abort conditions
- refactor terrain estimate getter with landing abort logic
- log abort status and inform user
- log flaring status
2022-07-19 22:37:09 -04:00
Thomas Stastny c98153e044 fw pos ctrl: enumerate landing nudging options, add to param documenation 2022-07-19 22:37:09 -04:00
Thomas Stastny 9fab914687 fw pos ctrl: use max function for landing approach entrance rel alt 2022-07-19 22:37:09 -04:00
Thomas Stastny 217efcb12d fw pos ctrl: set idle throttle in landed conditions
also set the default idle throttle to zero as most PX4 applications use electric motors
2022-07-19 22:37:09 -04:00
Thomas Stastny 4b0a8565fe fw pos ctrl: lower underspeed detection bound for landing airspeed 2022-07-19 22:37:09 -04:00
Thomas Stastny 41b0a6c62c fw pos ctrl: open up desired max sink rate limits for landing slope
- the target_sink_rate param could possibly constrain the maximum commanded sink rate to something less than that of the landing glide slope, which would make it impossible to track. this commit allows opening up the desired max sink rate up to the performance limits of the aircraft, if necessary, for the landing case
2022-07-19 22:37:09 -04:00
Thomas Stastny d1aca4032d mission feasibility / fw pos ctrl: add limited landing checks back, allow glide slopes below max 2022-07-19 22:37:09 -04:00
Thomas Stastny 87e09ad9f5 fw pos ctrl: auto landing refactor
- landing slope/curve library removed
- flare curve removed (the position setpoints will not be tracked during a flare, and were being ignored by open-loop maneuvers anyway)
- flare curve replaced by simply commanding a constant glide slope to the ground from the approach entrance, and commanding a sink rate once below flaring alt
- flare is now time-to-touchdown -based to account for differing descent rates (e.g. due to wind)
- flare pitch limits and height rate commands are ramped in from the previous iteration's values at flare onset to avoid jumpy commands
- TECS controls all aspects of the auto landing airspeed and altitude/height rate, and is only constrained by pitch and throttle limits (lessening unintuitive open loop manuever overrides)
- throttle is killed on flare
- flare is the singular point of no return during landing
- lateral manual nudging of the touchdown point is configurable via parameter, allowing the operator to nudge (via remote) either the touchdown point itself (adjusting approach vector) or shifting the entire approach path to the left or right. this helps when GCS map or GNSS uncertainties set the aircraft on a slightly offset approach"
2022-07-19 22:37:09 -04:00
Thomas Stastny 69bc5d37bc fw pos ctrl: mark completed manual takeoff true if rotary wing and armed 2022-07-18 10:49:27 -04:00
Thomas Stastny b4e066f056 fw pos ctrl: use hardcoded buffer altitude instead of parameter for clearance altitude buffer 2022-07-18 10:49:27 -04:00
Thomas Stastny 67b0f5e07e runway takeoff params: improve descriptions 2022-07-18 10:49:27 -04:00
Thomas Stastny 81d6fdfe8c fw pos ctrl params: update defaults and bounds on wing geometry 2022-07-18 10:49:27 -04:00
Thomas Stastny 7e12f6ba5a fw pos ctrl: dont use terrain alt for takeoff 2022-07-18 10:49:27 -04:00
Thomas Stastny ec02413387 fw pos ctrl: remove vtol condition from manual takeoff completion 2022-07-18 10:49:27 -04:00
Thomas Stastny c447064596 fw pos ctrl: rename position control mode variable 2022-07-18 10:49:27 -04:00
Thomas Stastny 5648deb5a1 fw pos ctrl: organize state variables 2022-07-18 10:49:27 -04:00
Thomas Stastny 2d5f1a5c6b fw pos ctrl: head straight for next waypoint after takeoff 2022-07-18 10:49:27 -04:00
Thomas Stastny 721131a135 fw pos/att ctrl: pass manual nose wheel increments during takeoff ground roll 2022-07-18 10:49:27 -04:00
Thomas Stastny 4d3f05479d fw pos ctrl: refactor takeoff mode
- post takeoff, the aircraft follows the infinite line sourced from the launch point in the direction of the takeoff waypoint
- takeoff waypoint altitude is used as a clearance altitude, set such that once above, the aircraft has cleared all ground occlusions and may proceed with the mission
- runway takeoff state machine simplified to throttle ramp, clamped to runway, climbout, and fly
- throttle ramp must complete before switching to next state to avoid a jump in throttle setpoint just after takeoff if the takeoff airspeed is reached before the ramp is complete
- roll constraints near ground post takeoff removed from runway takeoff class (handled externally now)
- minimum airspeed in TECS is reduced to takeoff speed (if necessary) to lower the underspeed detection bound
- lateral-directional guidance uses a different period parameter during ground roll
2022-07-18 10:49:27 -04:00
Thomas Stastny 7c6ce436ca fw pos ctrl: encapsulate wing tip strike constraint for roll angle
- apply constraint only for takeoff and landing modes
- add two params, wing span and wing height, to calculate a reasonable height at which roll limits can be opened
2022-07-18 10:49:27 -04:00
Thomas Stastny 5241f016f7 fw pos ctrl: rework manual takeoff aid
- takeoff situational knowledge removed from all other modes except manual (or actual takeoff mode)
- manual takeoff is marked complete if at a controllable airspeed
- minimum pitch bounds TECS until manual takeoff complete
- remove individual roll constraints during manual takeoff (ground proximity constraints coming in subsequent commit)
2022-07-18 10:49:27 -04:00
Thomas Stastny eed073887d remove in air vs landed knowledge from TECS
- create integral and trajectory generator reset methods
- always run TECS unless in rotary-wing mode (or in transition)
- constantly reset TECS integrals and trajectory generators when landed
2022-07-18 10:49:27 -04:00
Thomas Stastny ddeca2538c fw pos ctrl: handle takeoff detection when switching to takeoff mode while in air
- simplify takeoff reset method
- removes _last_manual variable in favor of _skipping_takeoff_detection, which is handled in the control mode setter
- takeoff detection (both launch and runway) is skipped if entering takeoff mode from any other mode while having already been in the air
- added method to runway takeoff class for force setting the fly state when we want to skip the takeoff detection
2022-07-18 10:49:27 -04:00
RomanBapst b7d6e646cc FixedWingPositionControl: better naming for manual airspeed setpoint
Signed-off-by: RomanBapst <bapstroman@gmail.com>
2022-07-12 09:07:20 +02:00
RomanBapst c2f5ffdfcd log tecs trim throttle
Signed-off-by: RomanBapst <bapstroman@gmail.com>
2022-07-12 09:07:20 +02:00
RomanBapst 6dbea21ef5 TECS: renamed airspeed cruse to airspeed trim & general cleanup
Signed-off-by: RomanBapst <bapstroman@gmail.com>
2022-07-12 09:07:20 +02:00
RomanBapst c05e0f076b FixedWingPositionControl: do not pass trim throttle via position setpoint triplet
- trim throttle is handled entirely by the position controller
- navigator should use speed setpoints
- added flag gliding_enabled in position setpoint to stills support gliding

Signed-off-by: RomanBapst <bapstroman@gmail.com>
2022-07-12 09:07:20 +02:00
RomanBapst cae7e1b88b improved trim throttle compensation
- allow compensation based on vehicle weight (parameterized)
- use density for calculating trim throttle compensation instead of pressure
- removed parameter FW_THR_ALT_SCL

Signed-off-by: RomanBapst <bapstroman@gmail.com>
2022-07-12 09:07:20 +02:00
RomanBapst 461d0561b8 replace FW_THR_CRUISE with FW_THR_TRIM
Signed-off-by: RomanBapst <bapstroman@gmail.com>
2022-07-12 09:07:20 +02:00
Matthias Grob c8fb7a6990 fw/uuv control: remove duplicated comments, restyle initializers 2022-06-24 10:05:16 -05:00