Electricity: motive power systems – Positional servo systems – Vehicular guidance systems with single axis control
Patent
1975-04-24
1976-11-30
Dobeck, Benjamin
Electricity: motive power systems
Positional servo systems
Vehicular guidance systems with single axis control
318589, 318654, 318591, 318626, G05D 100
Patent
active
039952053
ABSTRACT:
A maneuvering control system particularly for use in controlling a vehicle such as a submarine or surface craft, which utilizes both manual and automatic control. Electrical signals in accordance with the manipulation of a manual control device are generated by means of a synchro transmitter and fed to a synchro differential transmitter. Automatic control signals generated in an automatic control signal generator are converted to a mechanical form by a synchro follower which provides a mechanical input to the differential transmitter. Adjustable limit stops are provided for the synchro follower output shaft to limit the automatic signal input to the differential transmitter, thereby preventing an "out-of-control" condition in the event of a malfunction in the automatic control signal generator. The output of the differential transmitter which represents the algebraic sum of the manual and automatic inputs is used to drive a synchro control transformer, which in turn drives a servo amplifier. The output of the servo amplifier is used to control drive means which drives the maneuvering means (rudder, planing member, etc.) being controlled. Switching means is also provided to bypass the automatic control system to provide exclusive manual control when desired.
REFERENCES:
patent: 2852724 (1958-09-01), Bargen
patent: 2891205 (1959-06-01), Freeman
patent: 3019377 (1962-01-01), Morgan, Jr. et al.
patent: 3485463 (1969-12-01), Miller
patent: 3841589 (1974-10-01), Appleby et al.
patent: 3888201 (1975-06-01), Zuvela
Dobeck Benjamin
Hamann H. Fredrick
Pitts Rolf M.
Rockwell International Corporation
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