Electricity: motive power systems – Positional servo systems – Digital or numerical systems
Patent
1978-10-10
1980-07-29
Dobeck, B.
Electricity: motive power systems
Positional servo systems
Digital or numerical systems
318601, 318690, G05B 1928
Patent
active
042153018
ABSTRACT:
A digital servo system is described in which the error signal is multiplied up to a given maximum before its application to a D/A converter that provides control voltage for the motor, as long as the motor has not reached its final position and its velocity is greater than a predetermined amount.
REFERENCES:
patent: 3400314 (1968-09-01), Wilson
patent: 3731177 (1973-05-01), Commander et al.
patent: 3752969 (1973-08-01), Kiffmeyer et al.
patent: 4146922 (1979-03-01), Brown et al.
Dobeck B.
Hewlett--Packard Company
Timbie Donald N.
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