Electricity: motive power systems – Positional servo systems – Vehicular guidance systems with single axis control
Patent
1981-09-14
1983-03-29
Dobeck, B.
Electricity: motive power systems
Positional servo systems
Vehicular guidance systems with single axis control
318616, 318636, 244180, B64C 318, G05D 100
Patent
active
043785182
ABSTRACT:
An automatic flight control system for an aircraft having a control surface 28 and including a gyro 12 having an output applied through an attitude filter 14 to the input of a roll rate circuit 16 and a summing amplifier 18. The roll rate circuit 16 generates a rate signal that is applied to a summing amplifier 20 generating a roll rate control signal. The roll rate control signal is input to a roll servo amplifier 22. The servo amplifier 22 combines the rate control signal with a motor velocity signal from a motor velocity detector as part of a roll servomotor 26. Mechanically interconnected to the roll servomotor 26 is the control surface 28 for maneuvering an aircraft about its roll axis. Also, input to the summing amplifier 18 are aircraft command signals from a command block 10 where the authority of such signals is set by a limiter 30. The output of the summing amplifier 18 is applied to a second input of the summing amplifier 20 which generates the rate control signal from a combination of the two input signals applied thereto. For the pitch axis of the aircraft, similar circuitry is interconnected to drive a pitch servomotor 46 that is mechanically interconnected to a control surface 48.
REFERENCES:
patent: 3686555 (1972-08-01), Younkin
patent: 3944171 (1976-03-01), Boone
patent: 4004206 (1977-01-01), Gompert
patent: 4035705 (1977-07-01), Miller
patent: 4114842 (1978-09-01), Hofferber et al.
patent: 4164340 (1979-08-01), Simpson
Dobeck B.
Edo-Aire Mitchell
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