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Merge remote-tracking branch 'px4/fix_mission_dive' into beta_mavlink

This commit is contained in:
Julian Oes 2014-02-24 14:29:39 +01:00
parent 73edc02016 909e138182
commit 9c5894239f
4 changed files with 35 additions and 49 deletions
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13
src/lib/ecl/l1/ecl_l1_pos_controller.cpp
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@ -38,6 +38,8 @@
*
*/
#include <float.h>
#include "ecl_l1_pos_controller.h"
float ECL_L1_Pos_Controller::nav_roll()
@ -231,8 +233,15 @@ void ECL_L1_Pos_Controller::navigate_loiter(const math::Vector<2> &vector_A, con
/* calculate the vector from waypoint A to current position */
math::Vector<2> vector_A_to_airplane = get_local_planar_vector(vector_A, vector_curr_position);
/* store the normalized vector from waypoint A to current position */
math::Vector<2> vector_A_to_airplane_unit = (vector_A_to_airplane).normalized();
math::Vector<2> vector_A_to_airplane_unit;
/* prevent NaN when normalizing */
if (vector_A_to_airplane.length() > FLT_EPSILON) {
/* store the normalized vector from waypoint A to current position */
vector_A_to_airplane_unit = vector_A_to_airplane.normalized();
} else {
vector_A_to_airplane_unit = vector_A_to_airplane;
}
/* calculate eta angle towards the loiter center */

40
src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
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@ -233,7 +233,6 @@ private:
float speedrate_p;
float land_slope_angle;
float land_slope_length;
float land_H1_virt;
float land_flare_alt_relative;
float land_thrust_lim_alt_relative;
@ -278,7 +277,6 @@ private:
param_t speedrate_p;
param_t land_slope_angle;
param_t land_slope_length;
param_t land_H1_virt;
param_t land_flare_alt_relative;
param_t land_thrust_lim_alt_relative;
@ -427,7 +425,6 @@ FixedwingPositionControl::FixedwingPositionControl() :
_parameter_handles.throttle_land_max = param_find("FW_THR_LND_MAX");
_parameter_handles.land_slope_angle = param_find("FW_LND_ANG");
_parameter_handles.land_slope_length = param_find("FW_LND_SLLR");
_parameter_handles.land_H1_virt = param_find("FW_LND_HVIRT");
_parameter_handles.land_flare_alt_relative = param_find("FW_LND_FLALT");
_parameter_handles.land_thrust_lim_alt_relative = param_find("FW_LND_TLALT");
@ -516,7 +513,6 @@ FixedwingPositionControl::parameters_update()
param_get(_parameter_handles.speedrate_p, &(_parameters.speedrate_p));
param_get(_parameter_handles.land_slope_angle, &(_parameters.land_slope_angle));
param_get(_parameter_handles.land_slope_length, &(_parameters.land_slope_length));
param_get(_parameter_handles.land_H1_virt, &(_parameters.land_H1_virt));
param_get(_parameter_handles.land_flare_alt_relative, &(_parameters.land_flare_alt_relative));
param_get(_parameter_handles.land_thrust_lim_alt_relative, &(_parameters.land_thrust_lim_alt_relative));
@ -699,7 +695,7 @@ void
FixedwingPositionControl::calculate_gndspeed_undershoot(const math::Vector<2> &current_position, const math::Vector<2> &ground_speed, const struct position_setpoint_triplet_s &pos_sp_triplet)
{
if (_global_pos_valid) {
if (_global_pos_valid && !(pos_sp_triplet.current.type == SETPOINT_TYPE_LOITER)) {
/* rotate ground speed vector with current attitude */
math::Vector<2> yaw_vector(_R_nb(0, 0), _R_nb(1, 0));
@ -885,8 +881,10 @@ FixedwingPositionControl::control_position(const math::Vector<2> &current_positi
float airspeed_land = 1.3f * _parameters.airspeed_min;
float airspeed_approach = 1.3f * _parameters.airspeed_min;
float L_wp_distance = get_distance_to_next_waypoint(prev_wp(0), prev_wp(1), curr_wp(0), curr_wp(1)) * _parameters.land_slope_length;
/* Calculate distance (to landing waypoint) and altitude of last ordinary waypoint L */
float L_wp_distance = get_distance_to_next_waypoint(prev_wp(0), prev_wp(1), curr_wp(0), curr_wp(1));
float L_altitude = landingslope.getLandingSlopeAbsoluteAltitude(L_wp_distance, _pos_sp_triplet.current.alt);
float bearing_airplane_currwp = get_bearing_to_next_waypoint(current_position(0), current_position(1), curr_wp(0), curr_wp(1));
float landing_slope_alt_desired = landingslope.getLandingSlopeAbsoluteAltitudeSave(wp_distance, bearing_lastwp_currwp, bearing_airplane_currwp, _pos_sp_triplet.current.alt);
@ -931,38 +929,24 @@ FixedwingPositionControl::control_position(const math::Vector<2> &current_positi
//warnx("Landing: flare, _global_pos.alt %.1f, flare_curve_alt %.1f, flare_curve_alt_last %.1f, flare_length %.1f, wp_distance %.1f", _global_pos.alt, flare_curve_alt, flare_curve_alt_last, flare_length, wp_distance);
flare_curve_alt_last = flare_curve_alt;
} else if (wp_distance < L_wp_distance) {
/* minimize speed to approach speed, stay on landing slope */
_tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, landing_slope_alt_desired, calculate_target_airspeed(airspeed_approach),
_airspeed.indicated_airspeed_m_s, eas2tas,
false, flare_pitch_angle_rad,
_parameters.throttle_min, _parameters.throttle_max, _parameters.throttle_cruise,
math::radians(_parameters.pitch_limit_min), math::radians(_parameters.pitch_limit_max));
//warnx("Landing: stay on slope, alt_desired: %.1f (wp_distance: %.1f), calculate_target_airspeed(airspeed_land) %.1f, horizontal_slope_displacement %.1f, d1 %.1f, flare_length %.1f", landing_slope_alt_desired, wp_distance, calculate_target_airspeed(airspeed_land), horizontal_slope_displacement, d1, flare_length);
if (!land_onslope) {
mavlink_log_info(_mavlink_fd, "#audio: Landing, on slope");
land_onslope = true;
}
} else {
/* intersect glide slope:
* if current position is higher or within 10m of slope follow the glide slope
* if current position is below slope -10m continue on maximum of previous wp altitude or L_altitude until the intersection with the slope
* */
* minimize speed to approach speed
* if current position is higher or within 10m of slope follow the glide slope
* if current position is below slope -10m continue on maximum of previous wp altitude or L_altitude until the intersection with the slope
* */
float altitude_desired = _global_pos.alt;
if (_global_pos.alt > landing_slope_alt_desired - 10.0f) {
/* stay on slope */
altitude_desired = landing_slope_alt_desired;
//warnx("Landing: before L, stay on landing slope, alt_desired: %.1f (wp_distance: %.1f, L_wp_distance %.1f), calculate_target_airspeed(airspeed_land) %.1f, horizontal_slope_displacement %.1f", altitude_desired, wp_distance, L_wp_distance, calculate_target_airspeed(airspeed_land), horizontal_slope_displacement);
if (!land_onslope) {
mavlink_log_info(_mavlink_fd, "#audio: Landing, on slope");
land_onslope = true;
}
} else {
/* continue horizontally */
altitude_desired = math::max(_global_pos.alt, L_altitude);
//warnx("Landing: before L,continue at: %.4f, (landing_slope_alt_desired %.4f, wp_distance: %.4f, L_altitude: %.4f L_wp_distance: %.4f)", altitude_desired, landing_slope_alt_desired, wp_distance, L_altitude, L_wp_distance);
}
_tecs.update_pitch_throttle(_R_nb, _att.pitch, _global_pos.alt, altitude_desired, calculate_target_airspeed(airspeed_approach),

7
src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
View File

@ -348,13 +348,6 @@ PARAM_DEFINE_FLOAT(FW_T_SRATE_P, 0.05f);
*/
PARAM_DEFINE_FLOAT(FW_LND_ANG, 5.0f);
/**
* Landing slope length
*
* @group L1 Control
*/
PARAM_DEFINE_FLOAT(FW_LND_SLLR, 0.9f);
/**
*
*

24
src/modules/navigator/navigator_main.cpp
View File

@ -853,7 +853,7 @@ Navigator::task_main()
/* notify user about state changes */
if (myState != prevState) {
mavlink_log_info(_mavlink_fd, "[navigator] nav state: %s", nav_states_str[myState]);
mavlink_log_info(_mavlink_fd, "#audio: navigation state: %s", nav_states_str[myState]);
prevState = myState;
/* reset time counter on state changes */
@ -1061,11 +1061,11 @@ Navigator::start_loiter()
/* use current altitude if above min altitude set by parameter */
if (_global_pos.alt < min_alt_amsl && !_vstatus.is_rotary_wing) {
_pos_sp_triplet.current.alt = min_alt_amsl;
mavlink_log_info(_mavlink_fd, "[navigator] loiter %.1fm higher", (double)(min_alt_amsl - _global_pos.alt));
mavlink_log_info(_mavlink_fd, "#audio: loiter %.1fm higher", (double)(min_alt_amsl - _global_pos.alt));
} else {
_pos_sp_triplet.current.alt = _global_pos.alt;
mavlink_log_info(_mavlink_fd, "[navigator] loiter at current altitude");
mavlink_log_info(_mavlink_fd, "#audio: loiter at current altitude");
}
}
@ -1165,14 +1165,14 @@ Navigator::set_mission_item()
}
if (_do_takeoff) {
mavlink_log_info(_mavlink_fd, "[navigator] takeoff to %.1fm above home", (double)(_pos_sp_triplet.current.alt - _home_pos.alt));
mavlink_log_info(_mavlink_fd, "#audio: takeoff to %.1fm above home", (double)(_pos_sp_triplet.current.alt - _home_pos.alt));
} else {
if (onboard) {
mavlink_log_info(_mavlink_fd, "[navigator] heading to onboard WP %d", index);
mavlink_log_info(_mavlink_fd, "#audio: heading to onboard WP %d", index);
} else {
mavlink_log_info(_mavlink_fd, "[navigator] heading to offboard WP %d", index);
mavlink_log_info(_mavlink_fd, "#audio: heading to offboard WP %d", index);
}
}
@ -1321,7 +1321,7 @@ Navigator::set_rtl_item()
_pos_sp_triplet.next.valid = false;
mavlink_log_info(_mavlink_fd, "[navigator] RTL: climb to %.1fm above home", (double)(climb_alt - _home_pos.alt));
mavlink_log_info(_mavlink_fd, "#audio: RTL: climb to %.1fm above home", (double)(climb_alt - _home_pos.alt));
break;
}
@ -1347,7 +1347,7 @@ Navigator::set_rtl_item()
_pos_sp_triplet.next.valid = false;
mavlink_log_info(_mavlink_fd, "[navigator] RTL: return at %.1fm above home", (double)(_mission_item.altitude - _home_pos.alt));
mavlink_log_info(_mavlink_fd, "#audio: RTL: return at %.1fm above home", (double)(_mission_item.altitude - _home_pos.alt));
break;
}
@ -1374,12 +1374,12 @@ Navigator::set_rtl_item()
_pos_sp_triplet.next.valid = false;
mavlink_log_info(_mavlink_fd, "[navigator] RTL: descend to %.1fm above home", (double)(_mission_item.altitude - _home_pos.alt));
mavlink_log_info(_mavlink_fd, "#audio: RTL: descend to %.1fm above home", (double)(_mission_item.altitude - _home_pos.alt));
break;
}
default: {
mavlink_log_critical(_mavlink_fd, "[navigator] error: unknown RTL state: %d", _rtl_state);
mavlink_log_critical(_mavlink_fd, "#audio: [navigator] error: unknown RTL state: %d", _rtl_state);
start_loiter();
break;
}
@ -1528,7 +1528,7 @@ Navigator::check_mission_item_reached()
_time_first_inside_orbit = now;
if (_mission_item.time_inside > 0.01f) {
mavlink_log_info(_mavlink_fd, "[navigator] waypoint reached, wait for %.1fs", (double)_mission_item.time_inside);
mavlink_log_info(_mavlink_fd, "#audio: waypoint reached, wait for %.1fs", (double)_mission_item.time_inside);
}
}
@ -1556,7 +1556,7 @@ Navigator::on_mission_item_reached()
if (_do_takeoff) {
/* takeoff completed */
_do_takeoff = false;
mavlink_log_info(_mavlink_fd, "[navigator] takeoff completed");
mavlink_log_info(_mavlink_fd, "#audio: takeoff completed");
} else {
/* advance by one mission item */