Servo control system

Details Servo control system Servo control system

1978-03-28

1980-03-18

Butler, Douglas C.

Cutlery

308122, F16C 3500

Patent

active

041936442

ABSTRACT:
A servo control system which can automatically control a position of a hydrostatically supported member such as a table of a machine tool, rotary shaft or the like is disclosed. The system comprises a closed loop control system including a differential amplifier for effecting a subtraction operation between an amount of displacement of a member and an amount of reference signal and a servo amplifier delivering a control signal and a servovalve for supplying operating pressure upon receipt of the control signal to the member, whereby the position of the member is controlled by the pressure applied thereto.

REFERENCES:
patent: 3053589 (1962-09-01), Cameron
patent: 3617102 (1971-11-01), Wada et al.
patent: 3658393 (1972-04-01), Luthi
patent: 3742653 (1973-07-01), Kano et al.

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