Turbulence compensated throttle control system for aircraft havi

Details Turbulence compensated throttle control system for aircraft havi Turbulence compensated throttle control system for aircraft havi

1977-11-25

1981-01-20

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft control

Automatic

318583, 364440, G05D 112

Patent

active

042458056

ABSTRACT:
Command from engine rating control prevents throttle position from exceeding the value at which the engine operates at its rated power. Flare initiation changes the throttle command signal from a closed loop control signal to a fixed number of degrees per second retard rate, thereby overriding an aft limit switch signal allowing throttles to reach the idle position. A servo feedback arrangement utilizes a tachometer signal and an engine PLA (power lever angle) signal to optimize servo performance and overcome undesired control cable characteristics.

REFERENCES:
patent: 2664254 (1953-12-01), Hendrickson
patent: 2766953 (1956-10-01), Cummings
patent: 2933268 (1960-04-01), Jude et al.
patent: 3758764 (1973-09-01), Harner
patent: 3840200 (1974-10-01), Lambregts

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