diff options
Diffstat (limited to 'src/modules/mc_pos_control/mc_pos_control_main.cpp')
| -rw-r--r-- | src/modules/mc_pos_control/mc_pos_control_main.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/modules/mc_pos_control/mc_pos_control_main.cpp b/src/modules/mc_pos_control/mc_pos_control_main.cpp index 4fb9bd663..25d34c872 100644 --- a/src/modules/mc_pos_control/mc_pos_control_main.cpp +++ b/src/modules/mc_pos_control/mc_pos_control_main.cpp @@ -479,9 +479,11 @@ MulticopterPositionControl::select_alt(bool global) { if (global != _use_global_alt) { _use_global_alt = global; + if (global) { /* switch from barometric to global altitude */ _alt_sp += _global_pos.alt - _global_pos.baro_alt; + } else { /* switch from global to barometric altitude */ _alt_sp += _global_pos.baro_alt - _global_pos.alt; @@ -589,6 +591,7 @@ MulticopterPositionControl::task_main() if (_control_mode.flag_control_manual_enabled) { /* select altitude source and update setpoint */ select_alt(_global_pos.global_valid); + if (!_use_global_alt) { alt = _global_pos.baro_alt; } @@ -845,9 +848,10 @@ MulticopterPositionControl::task_main() /* adjust limits for landing mode */ if (!_control_mode.flag_control_manual_enabled && _pos_sp_triplet.current.valid && - _pos_sp_triplet.current.type == SETPOINT_TYPE_LAND) { + _pos_sp_triplet.current.type == SETPOINT_TYPE_LAND) { /* limit max tilt and min lift when landing */ tilt_max = _params.land_tilt_max; + if (thr_min < 0.0f) thr_min = 0.0f; } @@ -863,9 +867,11 @@ MulticopterPositionControl::task_main() if (thr_min >= 0.0f && tilt_max < M_PI / 2 - 0.05f) { /* absolute horizontal thrust */ float thrust_sp_xy_len = math::Vector<2>(thrust_sp(0), thrust_sp(1)).length(); + if (thrust_sp_xy_len > 0.01f) { /* max horizontal thrust for given vertical thrust*/ float thrust_xy_max = -thrust_sp(2) * tanf(tilt_max); + if (thrust_sp_xy_len > thrust_xy_max) { float k = thrust_xy_max / thrust_sp_xy_len; thrust_sp(0) *= k; @@ -874,15 +880,18 @@ MulticopterPositionControl::task_main() } } } + } else { /* thrust compensation for altitude only control mode */ float att_comp; if (_att.R[2][2] > TILT_COS_MAX) { att_comp = 1.0f / _att.R[2][2]; + } else if (_att.R[2][2] > 0.0f) { att_comp = ((1.0f / TILT_COS_MAX - 1.0f) / TILT_COS_MAX) * _att.R[2][2] + 1.0f; saturation_z = true; + } else { att_comp = 1.0f; saturation_z = true; |