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Plane: fixed handling of loss of fwd thrust in QRTL

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This commit is contained in:
Andrew Tridgell 2021-05-20 12:49:44 +10:00
parent a895bc1846
commit 245ded2f2d
1 changed files with 10 additions and 1 deletions
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11
ArduPlane/quadplane.cpp
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@ -2601,7 +2601,7 @@ void QuadPlane::vtol_position_controller(void)
}
// speed for crossover to POSITION1 controller
const float aspeed_threshold = MAX(plane.aparm.airspeed_min, assist_speed);
const float aspeed_threshold = MAX(plane.aparm.airspeed_min-2, assist_speed);
// run fixed wing navigation
plane.nav_controller->update_waypoint(plane.current_loc, loc);
@ -2675,6 +2675,15 @@ void QuadPlane::vtol_position_controller(void)
vel_forward.last_ms = AP_HAL::millis();
}
// handle loss of forward thrust in approach
if (poscontrol.get_state() == QPOS_APPROACH && aspeed < aspeed_threshold &&
motors->get_desired_spool_state() < AP_Motors::DesiredSpoolState::THROTTLE_UNLIMITED) {
gcs().send_text(MAV_SEVERITY_INFO,"VTOL pos1 low speed as=%.1f at=%.1f",
aspeed, aspeed_threshold);
poscontrol.set_state(QPOS_POSITION1);
}
if (poscontrol.get_state() == QPOS_APPROACH) {
poscontrol_init_approach();
}