Flight-control electro-hydraulic simulator

Details Flight-control electro-hydraulic simulator Flight-control electro-hydraulic simulator

1979-03-05

1980-10-14

Grieb, William H.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244228, G09B 908, B64C 1346

Patent

active

042273196

ABSTRACT:
The invention relates to the simulation of an aircraft's flight controls and particularly the mechanical reactions produced on the pilot's controls.
The reaction force is produced by a servo-controlled, hydraulic actuator whose piston moves a distance X which is proportional to the deflection of the pilot's control. A servo signal, whose amplitude is proportional to the component of the reaction force depending on the displacement X, is obtained by digital calculation, filtering and analogue multiplication.
The invention can be applied to flight training systems and to artificial feel systems (AFS).

REFERENCES:
patent: 2851795 (1958-09-01), Sherman
patent: 3220121 (1965-11-01), Cutler
patent: 3395878 (1968-08-01), Westbury
patent: 3463866 (1969-08-01), Staples
patent: 3529365 (1970-09-01), Shelley

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