Merge branch 'launchdetection' into navigator_new_fw

Conflicts:
	src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
This commit is contained in:
Thomas Gubler
2013-12-29 19:50:30 +01:00
12 changed files with 533 additions and 18 deletions
@@ -85,11 +85,12 @@
#include <systemlib/systemlib.h>
#include <mathlib/mathlib.h>
#include <mavlink/mavlink_log.h>
#include <launchdetection/LaunchDetector.h>
#include <ecl/l1/ecl_l1_pos_controller.h>
#include <external_lgpl/tecs/tecs.h>
#include "landingslope.h"
/**
* L1 control app start / stop handling function
*
@@ -177,6 +178,9 @@ private:
/* heading hold */
float target_bearing;
/* Launch detection */
LaunchDetector launchDetector;
/* throttle and airspeed states */
float _airspeed_error; ///< airspeed error to setpoint in m/s
bool _airspeed_valid; ///< flag if a valid airspeed estimate exists
@@ -384,7 +388,8 @@ FixedwingPositionControl::FixedwingPositionControl() :
land_motor_lim(false),
land_onslope(false),
flare_curve_alt_last(0.0f),
_mavlink_fd(-1)
_mavlink_fd(-1),
launchDetector()
{
/* safely initialize structs */
vehicle_attitude_s _att = {0};
@@ -554,6 +559,9 @@ FixedwingPositionControl::parameters_update()
_nav_capabilities.landing_flare_length = landingslope.flare_length();
navigation_capabilities_publish();
/* Update Launch Detector Parameters */
launchDetector.updateParams();
return OK;
}
@@ -964,30 +972,50 @@ FixedwingPositionControl::control_position(const math::Vector2f &current_positio
} else if (mission_item_triplet.current.nav_cmd == NAV_CMD_TAKEOFF) {
/* Perform launch detection */
bool do_fly_takeoff = false;
warnx("Launch detection running");
if (launchDetector.launchDetectionEnabled()) {
launchDetector.update(_accel.x);
if (launchDetector.getLaunchDetected()) {
do_fly_takeoff = true;
warnx("Launch detected. Taking off!");
}
} else {
/* no takeoff detection --> fly */
do_fly_takeoff = true;
}
_l1_control.navigate_waypoints(prev_wp, curr_wp, current_position, ground_speed);
_att_sp.roll_body = _l1_control.nav_roll();
_att_sp.yaw_body = _l1_control.nav_bearing();
/* apply minimum pitch and limit roll if target altitude is not within 10 meters */
if (altitude_error > 15.0f) {
if (do_fly_takeoff) {
/* enforce a minimum of 10 degrees pitch up on takeoff, or take parameter */
_tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _mission_item_triplet.current.altitude, calculate_target_airspeed(1.3f * _parameters.airspeed_min),
_airspeed.indicated_airspeed_m_s, eas2tas,
true, math::max(math::radians(mission_item_triplet.current.pitch_min), math::radians(10.0f)),
_parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise,
math::radians(_parameters.pitch_limit_min), math::radians(_parameters.pitch_limit_max));
/* apply minimum pitch and limit roll if target altitude is not within 10 meters */
if (altitude_error > 15.0f) {
/* limit roll motion to ensure enough lift */
_att_sp.roll_body = math::constrain(_att_sp.roll_body, math::radians(-15.0f), math::radians(15.0f));
/* enforce a minimum of 10 degrees pitch up on takeoff, or take parameter */
_tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _mission_item_triplet.current.altitude, calculate_target_airspeed(1.3f * _parameters.airspeed_min),
_airspeed.indicated_airspeed_m_s, eas2tas,
true, math::max(math::radians(mission_item_triplet.current.pitch_min), math::radians(10.0f)),
_parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise,
math::radians(_parameters.pitch_limit_min), math::radians(_parameters.pitch_limit_max));
/* limit roll motion to ensure enough lift */
_att_sp.roll_body = math::constrain(_att_sp.roll_body, math::radians(-15.0f), math::radians(15.0f));
} else {
_tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _mission_item_triplet.current.altitude, calculate_target_airspeed(_parameters.airspeed_trim),
_airspeed.indicated_airspeed_m_s, eas2tas,
false, math::radians(_parameters.pitch_limit_min),
_parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise,
math::radians(_parameters.pitch_limit_min), math::radians(_parameters.pitch_limit_max));
}
} else {
_tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, _mission_item_triplet.current.altitude, calculate_target_airspeed(_parameters.airspeed_trim),
_airspeed.indicated_airspeed_m_s, eas2tas,
false, math::radians(_parameters.pitch_limit_min),
_parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise,
math::radians(_parameters.pitch_limit_min), math::radians(_parameters.pitch_limit_max));
throttle_max = 0.0f;
}
}