Optical digital servo control system

Details Optical digital servo control system Optical digital servo control system

1983-04-20

1984-04-17

Gruber, Felix D.

Boots, shoes, and leggings

244 1713, 244180, 244181, 318580, 318594, 364433, B64C 1350, B64C 1900, G05D 108

Patent

active

044438532

ABSTRACT:
An electrically controlled (16) mechanical actuator (13) is driven by optically generated (23) electrical power through an optically controlled (28) switch (26) in an electrically isolated module (20). Optical transducers (54, 62, 70) and feedback (29), as well as optical inputs (40, 89, etc.) to electrical signal processing equipment (46, 47, 49) in an electrically isolated module (22) dictate the electrical control (28). A helicopter flight control system is wholly digital, with solar remote power and optical intercommunication.

REFERENCES:
patent: 3888772 (1975-06-01), Neuner
patent: 4042863 (1977-08-01), Von der Heide
patent: 4078749 (1978-03-01), Johnson, Jr.
patent: 4116000 (1978-09-01), Martin et al.
patent: 4117460 (1978-09-01), Walworth et al.
patent: 4119948 (1978-10-01), Ward et al.
patent: 4164120 (1979-08-01), Funk et al.
patent: 4168045 (1979-09-01), Wright et al.
patent: 4270168 (1981-05-01), Murphy et al.
patent: 4298839 (1981-11-01), Johnston
patent: 4313201 (1982-01-01), Fischer et al.

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