SYSTEM AND METHOD FOR AUTOMATIC FAULT DETECTION OF A MACHINE
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United States of America Patent
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Issued Date -
Feb 10, 2011
app pub date -
Aug 4, 2009
filing date -
Aug 4, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system and method for automatic fault detection of a machine is described. In one embodiment, a semantic structure is constructed using the words and values associated with the parameter identification numbers used by the on-board diagnostic system in a vehicle. The semantic structure is enhanced, analyzed, and reduced to determine the number and arrangement of the clusters that should be independently analyzed in order to produce the most reliable results in a computationally efficient manner. Each cluster is then used to detect outliers that are used to detect vehicle malfunctions.
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