Steering aid system for altitude and horizontal speed, perpendicular

Steering aid system for altitude and
horizontal speed, perpendicular to the
vertical, of an aircraft and aircraft
equipped therewith
TECHNICAL DESCRIPTION
Notre référence :
85442-01
Status des brevets
French patent
application FR0211454
filed on September 16,
2002 entitled "Système
d'assistance au pilotage
de l'altitude et de la
vitesse horizontale,
perpendiculaire à
l'aplomb, d'un aéronef
et aéronefs équipés de
ce système"
The patent describes an autopilot and its implementation onboard aircraft. The system
consists of a gravity oriented optronic sensor able to deliver a signal that is approximately
equal to the ratio between ground speed and ground height. The system also comprises a
preset reference value of this ratio, which is used by a regulation loop to drive the pitch
angle and/or the power of the aircraft to maintain the measured quotient at this set point.
The outcome is a challenging aircraft behavior: ground obstacle avoidance, terrain
following, automatic takeoff and landing, with suitable reaction to headwind. There is no
need for any onboard knowledge of ground height, ground speed, airspeed...
INDUSTRIAL APPLICATIONS
This innovation addresses the field of aircraft/airspace industries:
- Automatic Flight Control Systems for helicopters, airplanes, UAVs...
- Ground obstacle avoidance and terrain following systems
- Automatic takeoff and automatic landing systems without ILS
This innovation offers major advantages for use onboard unmanned aircraft (for instance,
UAVs and MAVs) because much of the traditional (heavy, costly and power hungry)
avionics can be disposed of.
For further information, please contact us (Ref 85442-01)
Inventeurs
Nicols FRANCESCHINI
Franck RUFFIER
Stéphane VIOLLET
Marc BOYRON
Status Commercial
Exclusive or nonexclusive licenses and
collaborative research
Laboratoires
Laboratoire «UMR
Mouvement et
perception», a CNRS
and University of the
Mediterranean (UMR
6152) in Marseille,
France.
Mots clés :
Autopilot AFCS UAV
MAV Optical flow
Motion detection
Helicopter Aircraft
Altitude Speed Landing
Takeoff Supervision
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