Fail safe augmentation system

Details Fail safe augmentation system Fail safe augmentation system

1977-02-25

1978-06-20

Blix, Trygve M.

Aeronautics and astronautics

Aircraft control

Automatic

91363A, 318564, 318565, G05D 100

Patent

active

040957632

ABSTRACT:
A fail safe aircraft control system wherein duplicate control loops are employed to produce identical control signals for the system actuator. Output signals from the two loops are compared to detect when the outputs differ by a preset limit as an indication of a component failure. When such a failure is detected the system actuator is deactivated thus preventing the failed augmentation system from affecting control of the aircraft.

REFERENCES:
patent: 3462660 (1969-08-01), Barltrop
patent: 3514056 (1970-05-01), DiCamillo
patent: 3733039 (1973-05-01), O'Connor

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