Active method and installation for the reduction of buffeting of

Details Active method and installation for the reduction of buffeting of Active method and installation for the reduction of buffeting of

1985-05-06

1987-11-17

Barefoot, Galen

Aeronautics and astronautics

Aircraft control

Automatic

244195, 364432, B64C 1316

Patent

active

047069023

ABSTRACT:
To reduce buffeting caused by separation on the wings of an aircraft, a parameter representing the buffeting in amplitude, frequency and phase is measured. The measuring signal is subjected to filtering intended to establish the characteristics of at least one mode of vibration of the wings and, by actuating a control surface according to a non-stationary law, in a localized region the wings, of alternate stresses are generated whose amplitude and phase are automatically determined to dampen one or several modes of vibration of the wings.

REFERENCES:
patent: 3020006 (1962-06-01), Warren
patent: 3184188 (1965-05-01), Rossire
patent: 3236478 (1960-02-01), Adams et al.
patent: 3240447 (1966-03-01), Olshauser
patent: 3279725 (1966-10-01), Andrew et al.
patent: 3347498 (1967-10-01), Priestley et al.
patent: 3734432 (1973-05-01), Low
patent: 3902686 (1975-09-01), Wykes et al.

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