Helicopter flight stability control induced oscillation suppress

Details Helicopter flight stability control induced oscillation suppress Helicopter flight stability control induced oscillation suppress

1980-07-07

1982-05-18

Ruggiero, Joseph F.

Boots, shoes, and leggings

244 1713, 244179, 244221, G06G 770, B64C 1134

Patent

active

043308295

ABSTRACT:
Oscillations in helicopter attitude sustained by the aerodynamic response of the helicopter to an automatic flight control system which is responsive to an attitude sensor, are eliminated by band reject (notch) filtering of a control system stability command to the aircraft, derived from rate of changes of such attitude at a frequency related to the aircraft attitude oscillations induced by the rate-controlled stability compensation.

REFERENCES:
patent: 3049189 (1962-08-01), Riordan
patent: 4127245 (1978-11-01), Tefft et al.

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