diff --git a/src/lib/ecl/l1/ecl_l1_pos_controller.cpp b/src/lib/ecl/l1/ecl_l1_pos_controller.cpp index 3b68a0a4e8..d1c864d782 100644 --- a/src/lib/ecl/l1/ecl_l1_pos_controller.cpp +++ b/src/lib/ecl/l1/ecl_l1_pos_controller.cpp @@ -38,6 +38,8 @@ * */ +#include + #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 */ diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp index 1feb539b98..ed6d8792ce 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp @@ -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> ¤t_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> ¤t_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> ¤t_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), diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c index 62a340e905..0909135e15 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c @@ -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); - /** * * diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp index 3abca99f4e..5559d7b562 100644 --- a/src/modules/navigator/navigator_main.cpp +++ b/src/modules/navigator/navigator_main.cpp @@ -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 */