Device and method for on-board diagnosis based on a model
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United States of America Patent
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Nov 13, 2007
Grant Date -
Nov 30, 2006
app pub date -
Jan 14, 2004
filing date -
Feb 21, 2003
priority date (Note) -
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Abstract
The aim of the invention is to improve the diagnosis of motor vehicle systems comprising a plurality of functional components in a network. To this end, the individual status data of the control units (11, 12, 13, 14) is monitored in a central diagnostic control unit (15) using a mathematical model. Each control unit can also be provided with a self-diagnosis optionally based on a model. By calculating error or causes of error using a model, the control units do not need to be provided with large databases for the diagnosis of error.
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