Servo-system

Details Servo-system Servo-system

1977-12-27

1980-11-04

Truhe, J. V.

Electricity: motive power systems

Positional servo systems

With stabilizing features

318621, 318641, 318677, 318678, 318679, 318684, G05B 501

Patent

active

042322596

ABSTRACT:
A servo-system includes a high-gain direct-coupled direct current (dc) differential amplifier to which a dc input signal is fed. An adder adds the dc amplifier output to a comparison voltage, and the adder output is applied through a filter circuit to a second input of the differential dc amplifier. A servo-amplifier drives a servo-motor in accordance with the dc amplifier output. Means are provided for zero-balancing the dc amplifier output while varying the comparison voltage by the servo-motor.

REFERENCES:
patent: 3852650 (1974-12-01), Masuzawa et al.
patent: 3866103 (1975-02-01), Maezawa et al.
patent: 4055788 (1977-10-01), Greeley
patent: 4161678 (1979-07-01), Kaieda et al.

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