Aircraft automatic trim system

Details Aircraft automatic trim system Aircraft automatic trim system

1985-10-31

1987-08-04

Nase, Jeffrey V.

Aeronautics and astronautics

Aircraft control

Automatic

244194, 318584, 318566, G05D 110

Patent

active

046840850

ABSTRACT:
An aircraft automatic trim system is operable during autopilot control to transfer trim from the elevators to the stabilizers. The thresholds for trim transfer are based on the ratio of elevator demand to available elevator control. Trim commands are produced responsive to this ratio exceeding an amplitude and time dependent limit.

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patent: 3079109 (1963-02-01), Jude et al.
patent: 3378217 (1968-04-01), Diani
patent: 3409251 (1968-11-01), Lawson et al.
patent: 3578268 (1971-05-01), Kramer
patent: 4032093 (1977-06-01), Bonne et al.
patent: 4127248 (1978-11-01), Boone
patent: 4382282 (1983-05-01), Graham et al.
patent: 4442490 (1984-04-01), Ross

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