Method of system state analysis

Details Method of system state analysis Method of system state analysis

1988-09-06

1990-06-26

Lall, Parshotam S.

Boots, shoes, and leggings

36455101, 364148, G08B 1700

Patent

active

049377639

ABSTRACT:
A process for monitoring a system by comparing learned observations acquired when the system is running in an acceptable state with current observations acquired at periodic intervals thereafter to determine if the process is currently running in an acceptable state. The process enables an operator to determine whether or not a system parameter measurement indicated as outside preset prediction limits is in fact an invalid signal resulting from faulty instrumentation. The process also enables an operator to identify signals which are trending toward malfunction prior to an adverse impact on the overall process.

REFERENCES:
patent: 4639882 (1987-01-01), Keats
patent: 4707796 (1987-11-01), Calabro et al.
patent: 4761748 (1988-08-01), Le Rat et al.
patent: 4796205 (1989-01-01), Ishii et al.
patent: 4823290 (1989-04-01), Fasack et al.

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