Electricity: motive power systems – Positional servo systems – With particular 'error-detecting' means
Patent
1972-06-19
1976-10-26
Lynch, T. E.
Electricity: motive power systems
Positional servo systems
With particular 'error-detecting' means
318624, 318623, 33324, 33275G, B64C 1702
Patent
active
039886590
ABSTRACT:
A gyroscope unit having a horizontal spin axis hangs from a suspension band within a container. The container is rotatably supported about a vertical axis. A transducer generates a control signal representative of the angular displacement between the gyroscope unit and the container about the vertical axis from a reference position. The container is rotated about the vertical axis responsive to the control signal to reduce the angular displacement from the reference position. A torque about the vertical axis that opposes the angular displacement is directly applied to the gyroscope unit responsive to the control signal. The directly applied torque is a nonlinear function of the angular displacement, being zero below a threshold value of angular displacement and having a predetermined gradient above the threshold value.
REFERENCES:
patent: 3172213 (1965-03-01), Eklund
patent: 3275268 (1966-09-01), Auld, Jr.
patent: 3577646 (1971-05-01), Eklund
davis's; "Manual of Magnetism"; published in 1842 by Daniel Davis, Jr.; pp. 130-133.
Prescott; "Dynamo-Electricity"; D. Appleton & Co. N.Y., NY, 1884; pp. 815-820.
"Control System Design", Savant, McGraw Hill, 2nd Ed., 1964, pp. 240-247.
Lear Siegler, Inc.
Lynch T. E.
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