Method and device for finding spurious maintenance messages

Details Method and device for finding spurious maintenance messages Method and device for finding spurious maintenance messages

1995-01-25

1997-03-11

Beausoliel, Jr., Robert W.

Excavating

G06F 1100

Patent

active

056109237

ABSTRACT:
A device (1) for determining whether a maintenance message generated during an operating cycle of a system by a maintenance device (2) monitoring the system is or is not representative of a real fault in the system. The device (1) includes a comparator (D) which compares a short-term occurrence rate of the message to a long-term occurrence rate of the message, for each maintenance message generated, and determining whether the message is or is not representative of a real fault. The occurrence rates are calculated by a computer (CAL) on the basis of information contained in memories (M1, M2, MN) and indicate the presence or non-presence of the message in the course of predicting cycles.

REFERENCES:
patent: 4635030 (1987-01-01), Rauch
patent: 5111402 (1992-05-01), Brooks et al.
patent: 5138616 (1992-08-01), Wagner, Jr. et al.
patent: 5237677 (1993-08-01), Hirosawa et al.
patent: 5384565 (1995-01-01), Cannon

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