Electricity: motive power systems – Positional servo systems – With stabilizing features
Patent
1981-08-14
1983-11-29
Dobeck, B.
Electricity: motive power systems
Positional servo systems
With stabilizing features
318572, G05B 501
Patent
active
044183054
ABSTRACT:
A velocity feedback circuit for a position servomechanism operative to control the position of a controlled object on the basis of the signal indicative of the difference between the position error and the velocity fed back to the input, wherein a velocity calculating circuit is provided to calculate the velocity to be fed back to the input of the position servomechanism on the basis of the relation between the time required for the controlled variable of the controlled object to make a predetermined change and the predetermined change of the controlled variable.
REFERENCES:
patent: 3241015 (1966-03-01), Allen
patent: 4064444 (1977-12-01), Hoang
patent: 4215403 (1980-07-01), Pollard et al.
patent: 4242622 (1980-12-01), Shepard, Jr.
Hirai Hiromu
Otsuki Haruaki
Dobeck B.
Hitachi , Ltd.
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