Model based assessment of locomotive engines
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United States of America Patent
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Jun 12, 2001
Issued Date -
N/A
app pub date -
May 3, 1999
filing date -
Sep 1, 1998
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Abstract
A locomotive for model-based incipient failure detection includes at least one replaceable unit and at least one sensor to generate signals representative of current engine conditions related to the at least one replaceable unit. A controller includes an embedded replaceable unit model algorithm. Current operating conditions and ambient conditions are utilized within the algorithm to generate a model-based predicted value for the at least one sensor. The controller compares the at least one sensor signals to the model-based predicted values for calculating deviations therebetween and detecting incipient failure of the at least one replaceable unit.
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