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Merge remote-tracking branch 'upstream/master' into launchdetector

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Conflicts:
	src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
This commit is contained in:
Thomas Gubler
2014-03-06 21:53:51 +01:00
parent f2b46389ee 3207450037
commit b086bdf21e
46 changed files with 1211 additions and 1018 deletions
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src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp
+58 -76
View File
@@ -130,23 +130,23 @@ private:
int _att_sub; /**< vehicle attitude subscription */
int _attitude_sub; /**< raw rc channels data subscription */
int _airspeed_sub; /**< airspeed subscription */
int _control_mode_sub; /**< vehicle status subscription */
int _control_mode_sub; /**< vehicle status subscription */
int _params_sub; /**< notification of parameter updates */
int _manual_control_sub; /**< notification of manual control updates */
int _sensor_combined_sub; /**< for body frame accelerations */
int _sensor_combined_sub; /**< for body frame accelerations */
orb_advert_t _attitude_sp_pub; /**< attitude setpoint */
orb_advert_t _nav_capabilities_pub; /**< navigation capabilities publication */
struct vehicle_attitude_s _att; /**< vehicle attitude */
struct vehicle_attitude_setpoint_s _att_sp; /**< vehicle attitude setpoint */
struct navigation_capabilities_s _nav_capabilities; /**< navigation capabilities */
struct manual_control_setpoint_s _manual; /**< r/c channel data */
struct airspeed_s _airspeed; /**< airspeed */
struct vehicle_control_mode_s _control_mode; /**< vehicle status */
struct vehicle_global_position_s _global_pos; /**< global vehicle position */
struct position_setpoint_triplet_s _pos_sp_triplet; /**< triplet of mission items */
struct sensor_combined_s _sensor_combined; /**< for body frame accelerations */
struct vehicle_attitude_s _att; /**< vehicle attitude */
struct vehicle_attitude_setpoint_s _att_sp; /**< vehicle attitude setpoint */
struct navigation_capabilities_s _nav_capabilities; /**< navigation capabilities */
struct manual_control_setpoint_s _manual; /**< r/c channel data */
struct airspeed_s _airspeed; /**< airspeed */
struct vehicle_control_mode_s _control_mode; /**< vehicle status */
struct vehicle_global_position_s _global_pos; /**< global vehicle position */
struct position_setpoint_triplet_s _pos_sp_triplet; /**< triplet of mission items */
struct sensor_combined_s _sensor_combined; /**< for body frame accelerations */
perf_counter_t _loop_perf; /**< loop performance counter */
@@ -154,13 +154,13 @@ private:
/** manual control states */
float _seatbelt_hold_heading; /**< heading the system should hold in seatbelt mode */
float _loiter_hold_lat;
float _loiter_hold_lon;
double _loiter_hold_lat;
double _loiter_hold_lon;
float _loiter_hold_alt;
bool _loiter_hold;
float _launch_lat;
float _launch_lon;
double _launch_lat;
double _launch_lon;
float _launch_alt;
bool _launch_valid;
@@ -194,7 +194,7 @@ private:
uint64_t _airspeed_last_valid; ///< last time airspeed was valid. Used to detect sensor failures
float _groundspeed_undershoot; ///< ground speed error to min. speed in m/s
bool _global_pos_valid; ///< global position is valid
math::Matrix<3, 3> _R_nb; ///< current attitude
math::Matrix<3, 3> _R_nb; ///< current attitude
ECL_L1_Pos_Controller _l1_control;
TECS _tecs;
@@ -235,7 +235,6 @@ 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;
@@ -280,7 +279,6 @@ 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;
@@ -374,6 +372,7 @@ FixedwingPositionControl *g_control;
FixedwingPositionControl::FixedwingPositionControl() :
_mavlink_fd(-1),
_task_should_exit(false),
_control_task(-1),
@@ -392,39 +391,34 @@ FixedwingPositionControl::FixedwingPositionControl() :
/* performance counters */
_loop_perf(perf_alloc(PC_ELAPSED, "fw l1 control")),
/* states */
_setpoint_valid(false),
_loiter_hold(false),
_airspeed_error(0.0f),
_airspeed_valid(false),
_groundspeed_undershoot(0.0f),
_global_pos_valid(false),
land_noreturn_horizontal(false),
land_noreturn_vertical(false),
land_stayonground(false),
land_motor_lim(false),
land_onslope(false),
flare_curve_alt_last(0.0f),
_mavlink_fd(-1),
launchDetector(),
launch_detected(false),
last_manual(false),
usePreTakeoffThrust(false),
last_manual(false)
flare_curve_alt_last(0.0f),
launchDetector(),
_airspeed_error(0.0f),
_airspeed_valid(false),
_groundspeed_undershoot(0.0f),
_global_pos_valid(false),
_att(),
_att_sp(),
_nav_capabilities(),
_manual(),
_airspeed(),
_control_mode(),
_global_pos(),
_pos_sp_triplet(),
_sensor_combined()
{
/* safely initialize structs */
vehicle_attitude_s _att = {0};
vehicle_attitude_setpoint_s _att_sp = {0};
navigation_capabilities_s _nav_capabilities = {0};
manual_control_setpoint_s _manual = {0};
airspeed_s _airspeed = {0};
vehicle_control_mode_s _control_mode = {0};
vehicle_global_position_s _global_pos = {0};
position_setpoint_triplet_s _pos_sp_triplet = {0};
sensor_combined_s _sensor_combined = {0};
_nav_capabilities.turn_distance = 0.0f;
_parameter_handles.l1_period = param_find("FW_L1_PERIOD");
@@ -444,7 +438,6 @@ 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");
@@ -533,7 +526,6 @@ 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));
@@ -600,8 +592,8 @@ FixedwingPositionControl::vehicle_control_mode_poll()
orb_copy(ORB_ID(vehicle_control_mode), _control_mode_sub, &_control_mode);
if (!was_armed && _control_mode.flag_armed) {
_launch_lat = _global_pos.lat / 1e7f;
_launch_lon = _global_pos.lon / 1e7f;
_launch_lat = _global_pos.lat;
_launch_lon = _global_pos.lon;
_launch_alt = _global_pos.alt;
_launch_valid = true;
}
@@ -716,7 +708,7 @@ 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));
@@ -902,8 +894,10 @@ 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);
@@ -929,7 +923,7 @@ FixedwingPositionControl::control_position(const math::Vector<2> &current_positi
float flare_curve_alt = landingslope.getFlareCurveAltitudeSave(wp_distance, bearing_lastwp_currwp, bearing_airplane_currwp, _pos_sp_triplet.current.alt);
/* avoid climbout */
if (flare_curve_alt_last < flare_curve_alt && land_noreturn_vertical || land_stayonground)
if ((flare_curve_alt_last < flare_curve_alt && land_noreturn_vertical) || land_stayonground)
{
flare_curve_alt = pos_sp_triplet.current.alt;
land_stayonground = true;
@@ -948,38 +942,24 @@ 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),
@@ -1082,13 +1062,15 @@ FixedwingPositionControl::control_position(const math::Vector<2> &current_positi
_seatbelt_hold_heading = _att.yaw + _manual.yaw;
}
/* climb out control */
bool climb_out = false;
//XXX not used
/* user wants to climb out */
if (_manual.pitch > 0.3f && _manual.throttle > 0.8f) {
climb_out = true;
}
/* climb out control */
// bool climb_out = false;
//
// /* user wants to climb out */
// if (_manual.pitch > 0.3f && _manual.throttle > 0.8f) {
// climb_out = true;
// }
/* if in seatbelt mode, set airspeed based on manual control */
@@ -1307,7 +1289,7 @@ FixedwingPositionControl::task_main()
float turn_distance = _l1_control.switch_distance(100.0f);
/* lazily publish navigation capabilities */
if (turn_distance != _nav_capabilities.turn_distance && turn_distance > 0) {
if (fabsf(turn_distance - _nav_capabilities.turn_distance) > FLT_EPSILON && turn_distance > 0) {
/* set new turn distance */
_nav_capabilities.turn_distance = turn_distance;
src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
-7
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);
/**
*
*