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authorThomas Gubler <thomasgubler@gmail.com>2014-05-27 08:37:59 +0200
committerThomas Gubler <thomasgubler@gmail.com>2014-05-27 08:37:59 +0200
commit10e2a6696976a5210d826dd5826b87db76990eaa (patch)
tree70fe406e04d8071b5cf77d4a9564e31b589f9af3 /src
parentbb0cae56a0bca879bd3f1720a92d1bf0ca03eda2 (diff)
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fw pos control: landing: continue horizontally instead of climbing if just below slope
Diffstat (limited to 'src')
-rw-r--r--src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp7
1 files changed, 4 insertions, 3 deletions
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 f23719794..e3b6eb261 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
@@ -1031,14 +1031,15 @@ FixedwingPositionControl::control_position(const math::Vector<2> &current_positi
/* intersect glide slope:
* minimize speed to approach speed
- * if current position is higher or within 10m of slope follow the glide slope
+ * if current position is higher than the slope follow the glide slope (sink to the
+ * glide slope)
* also if the system captures the slope it should stay
* on the slope (bool land_onslope)
- * if current position is below slope -10m continue at previous wp altitude
+ * if current position is below the slope continue at previous wp altitude
* until the intersection with slope
* */
float altitude_desired_rel = relative_alt;
- if (relative_alt > landing_slope_alt_rel_desired - 10.0f || land_onslope) {
+ if (relative_alt > landing_slope_alt_rel_desired || land_onslope) {
/* stay on slope */
altitude_desired_rel = landing_slope_alt_rel_desired;
if (!land_onslope) {