Full authority engine-out control augmentation subsystem

Details Full authority engine-out control augmentation subsystem Full authority engine-out control augmentation subsystem

1988-08-11

1990-06-19

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Vehicular guidance systems with single axis control

318584, 244 76J, B64C 1316, G05D 110

Patent

active

049356828

ABSTRACT:
A full authority engine-out control augmentation subsystem for use in a flight control system to assist a pilot and/or lateral-directional control subsystem in compensating for the yawing moment produced by the differential engine thrust that occurs when the power produced by an engine located on one side of a multi-engine aircraft is lost (or reduced) with respect to the other engines is disclosed. The engine-out control augmentation subsystem produces a compensating rudder command (27) based on straight-gain (21), lag filter (15) and washout filters (23 and (25) modifications of a differential engine thrust signal (11). The engine-out control augmentation subsystem will function with both conventional mechanical and electronic (fly-by-wire) flight control systems.

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AIAA'87, 7J7, Manual Flight Control Functions, Mithra M.K.V. Sankrithi and W. F. Bryant, Aug. 1987.

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