Automatic control method and apparatus

Details Automatic control method and apparatus Automatic control method and apparatus

1980-07-03

1982-06-15

Dobeck, B.

Electricity: motive power systems

Positional servo systems

With stabilizing features

318611, G05B 501

Patent

active

043353410

ABSTRACT:
An automatic control system in which a controlled quantity of an object to be controlled is compared with a preset quantity through a comparator, the output signal of which is applied to blind controller means having a dead zone set therein. When the output from the comparator comes out beyond the dead zone, the blind controller means cooperates with operation holding means to perform a control operation continuously for a predetermined time even when the output from the comparator falls within the dead zone. The number of times at which the object is controlled may be significantly decreased.

REFERENCES:
patent: 3441818 (1969-04-01), Tiskus et al.
patent: 4112342 (1978-09-01), Elliott
patent: 4282469 (1981-08-01), Moriyama
patent: 4300080 (1980-11-01), Lee

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