Proactive on-line diagnostics in a manageable network
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United States of America Patent
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Sep 26, 2006
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N/A
app pub date -
Jun 28, 2001
filing date -
Jun 29, 2000
priority date (Note) -
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Abstract
A method for diagnosis of a system made up of a plurality of interlinked modules includes receiving an alarm from the system indicative of a fault in one of the modules. Responsive to the alarm, a causal network is constructed associating the fault with malfunctions in one or more of the modules that may have led to the fault and relating a conditional probability of the fault to respective probabilities of the malfunctions. Based on the alarm and the causal network, at least one of the probabilities of the malfunctions is updated. A diagnosis of the alarm is proposed responsive to the updated probabilities.
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