Aggregated information fusion for enhanced diagnostics, prognostics and maintenance practices of vehicles
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United States of America Patent
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Jan 10, 2012
Grant Date -
Sep 9, 2010
app pub date -
Mar 5, 2009
filing date -
Mar 5, 2009
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Abstract
A system and method for enhancing vehicle diagnostic and prognostic algorithms and improving vehicle maintenance practices. The method includes collecting data from vehicle components, sub-systems and systems, and storing the collected data in a database. The collected and stored data can be from multiple sources for similar vehicles or similar components and can include various types of trouble codes and labor codes as well as other information, such as operational data and physics of failure data, which are fused together. The method generates classes for different vehicle components, sub-systems and systems, and builds feature extractors for each class using data mining techniques of the data stored in the database. The method also generates classifiers that classify the features for each class. The feature extractors and feature classifiers are used to determine when a fault condition has occurred for a vehicle component, sub-system or system.
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