Methods and apparatus for correcting servo signals

Details Methods and apparatus for correcting servo signals Methods and apparatus for correcting servo signals

1975-12-29

1978-03-14

Schaefer, Robert K.

Electricity: motive power systems

Positional servo systems

With compensating features

318608, G05D 23275

Patent

active

040793028

ABSTRACT:
A periodic electric signal component in a variable input signal of a servo system is compensated by providing an electric signal corresponding in wave form to the periodic signal component, synchronizing the corresponding signal with the periodic electric signal component and compensating the periodic electric signal component with the synchronized corresponding signal.

REFERENCES:
patent: 3555254 (1971-01-01), Gerber
patent: 3740627 (1973-06-01), Martin et al.

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