Originally Posted by
Smythe
In the business we use sonics, both 2D and 3D for winds..
Using a cup anemometer, a pitot tube, or a mechanical AoA vane is laughable.
Time to evolve, or become a casualty of evolution...(as we are now seeing with the MAX)
A sonic sensor also comes with a lot of problems..
limited measuring range, sensitivity to rain,fog, ice, snow, nearby longwave transmitters operating at ultrasonic frequency, birds nesting, and insects.
The best solution is to have:
Self-dagnostic/fault-silent sensors (where possible) to prevent faults from propagating, some types of sonic can measure speed of sound in 2D/3D and compare.
, redundancy, diversity (Cup and sonic)
observer modeling e.g. deriving values from aero-mechanical loads, or GNSS/INS.
Sensor fusion to combine values.
All this is not going to fare well with purists wanting as little software as possible in aircraft.
