Method and system of controlling plants

Details Method and system of controlling plants Method and system of controlling plants

1975-12-11

1978-09-19

Botz, Eugene G.

Boots, shoes, and leggings

364110, 364121, 364119, 364120, 364900, G05B 1502

Patent

active

041158482

ABSTRACT:
In a method and system of controlling the operation of a plant by means of an electronic computer, the judging conditions and control and supervisory operations corresponding thereto are described in tables from which a plurality of action lists having a standard form of plant state judging conditions plus controlling and supervisory operations are prepared. The contents of the action list are stored in the memory device of the computer. A process signal corresponding to a state of the plant is compared with a reference signal for producing a trigger signal which is used to select a corresponding action list. The content of the selected action list is judged to produce a control signal for controlling the plant.

REFERENCES:
patent: T920008 (1974-03-01), Broadwell et al.
patent: 3266023 (1966-08-01), Werme
patent: 3555252 (1971-01-01), Garden
patent: 3614745 (1971-10-01), Podvin
patent: 3909601 (1975-09-01), Yamawaki
"Sequencing BTG Startup" by Rinkus, Instrumentation Technology pp. 50-54, Dec. 1967.

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