A method and system for estimating time of occurrence of...

G - Physics – 05 – B

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G05B 23/02 (2006.01) G05B 19/418 (2006.01) G06F 11/22 (2006.01) G06F 11/22 (2006.01)

Patent

CA 2387927

Method and system for analyzing fault log data to predict the time until a machine-disabling failure occurs is provided. The method allows for searching (210) in a database of historical fault log data from a plurality of machines for the occurrence of respective fault patterns indicative of incipient failures of a respective machine subsystem. The method further allows for searching (210) in a database including historical failures for the respective machine subsystem. The method also allows for computing elapsed time (246) between respective occurrences of the fault patterns and the occurrence of the subsystem failures.

La présente invention concerne un procédé et un système permettant d'analyser des données registre de pannes de façon à prévoir la période durant laquelle une panne capable de neutraliser une machine surviendra. Ce procédé permet de rechercher (210) dans une base de données registre historiques de pannes d'une pluralité de machines l'apparition de configurations de panne respectives indicatrices du déclenchement de pannes d'un sous système de machine respectif. Ce procédé permet aussi de rechercher (210) dans une base de données comprenant un historique des pannes du sous système de machine respectif. Ce procédé permet enfin de calculer le temps écoulé (246) entre les survenues respectives des configurations de panne et la survenue des pannes du sous système.

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