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FlightTaskManualStabilized: allow attitude control with 0 throttle 

With minimum throttle set to 0, it was not possible to control the attitude
anymore at 0 throttle, the vehicle would just stay level.
This commit is contained in:
Beat Küng 2018-09-22 09:12:50 +02:00 committed by Lorenz Meier
parent b93d02aee7
commit afada8ddb5
1 changed files with 2 additions and 1 deletions
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src/lib/FlightTasks/tasks/ManualStabilized/FlightTaskManualStabilized.cpp
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@ -123,9 +123,10 @@ void FlightTaskManualStabilized::_updateThrustSetpoints()
/* The final thrust setpoint is found by rotating the scaled unit vector pointing
* upward by the Axis-Angle.
* Make sure that the attitude can be controlled even at 0 throttle.
*/
Quatf q_sp = AxisAnglef(v(0), v(1), 0.0f);
_thrust_setpoint = q_sp.conjugate(Vector3f(0.0f, 0.0f, -1.0f)) * _throttle;
_thrust_setpoint = q_sp.conjugate(Vector3f(0.0f, 0.0f, -1.0f)) * math::max(_throttle, 0.0001f);
}
void FlightTaskManualStabilized::_rotateIntoHeadingFrame(Vector2f &v)