Parallel multiprocessing system for an industrial plant

Details Parallel multiprocessing system for an industrial plant Parallel multiprocessing system for an industrial plant

1978-07-12

1980-04-29

Malzahn, David H.

Excavating

364119, G06F 1100

Patent

active

042002265

ABSTRACT:
A system for monitoring and control of an industrial installation, such as a chemical plant, having a large number of operating parameters which have to be maintained between well defined limits which may be fixed or may vary in time in a predetermined manner, comprising a plurality of sensors, one for each parameter being monitored, four digital computers arranged in matrix configuration, two of them having peripheral memories as well as central memories, and means for converting the essentially analogue signals from the sensors into encoded, serialized digital signals for the computers each of which has an associated watch dog detector which senses if it should go faulty and in such event instructs the other three computers or one of the other three computers to take over its functions.

REFERENCES:
patent: 3593307 (1971-07-01), Gouge, Jr. et al.
patent: 3636331 (1972-01-01), Amrehn
patent: 3665173 (1972-05-01), Bouricius et al.
patent: 3681578 (1972-08-01), Stevens
patent: 3786433 (1974-01-01), Notley et al.

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