Method and apparatus for turn coordination gain as a function of

Details Method and apparatus for turn coordination gain as a function of Method and apparatus for turn coordination gain as a function of

1996-05-14

1998-11-24

Grant, William

Aeronautics and astronautics

Aircraft control

Automatic

244 76R, 244194, G05D 108

Patent

active

058396977

ABSTRACT:
An improved method and apparatus for determining the amount of turn coordination gain in an aircraft yaw damper during a turn maneuver is disclosed. The yaw damper includes inputs from the inertial reference units of the aircraft and also from the flight management computer of the aircraft. The flight management computer provides to the yaw damper a signal indicative of the position of the flaps of the aircraft. The yaw damper includes a turn coordination gain box that receives the flap position signal and outputs a turn coordination gain value, dependent upon the flap position. Generally, the turn coordination gain value increases as the flap position is more extended. The precise turn coordination gain value for each flap position is dependent upon the particular aerodynamic characteristics of the aircraft.

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