Method and system for diagnosing the behavior of a machine contr

Details Method and system for diagnosing the behavior of a machine contr Method and system for diagnosing the behavior of a machine contr

1997-07-30

1999-09-07

Grant, William

Boots, shoes, and leggings

364185, G05B 902

Patent

active

059496762

ABSTRACT:
A method and system for diagnosing the behavior of a machine which performs a discrete event process. A diagnostic engine observes occurrences of discrete events to detect timing patterns. A statistical analysis is performed on repetitions of the timing patterns, thus providing the basis for defining diagnostic rules. The rules are updated in real time and are subject to a rule competition procedure in which only the most precise and efficient rules are selected. Further occurrences of discrete events are evaluated relative to the diagnostic rules to identify and predict malfunctions of the machine.

REFERENCES:
patent: 4747048 (1988-05-01), Meuller
patent: 5214577 (1993-05-01), Sztipanovits et al.
patent: 5293323 (1994-03-01), Doskocil et al.

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