06240343 is referenced by 39 patents and cites 19 patents.

An apparatus and method for diagnosing an engine using computer based models in combination with a neural network which reduces the neural network training and updating required is disclosed. The method and apparatus determine modeled values for a plurality of engine parameters as a function of sensed values in a plurality of initial values; sense a plurality of actual values for the engine parameters; and determine a difference between the actual values and the modeled values for the respective engine parameters. The differences are inputted into a neural network which generates an output pattern as a function of the differences and a plurality of weight values. The weight values and the initial values are then updated as a function of a comparison between the output patterns and a desired pattern, and the engine is responsively diagnosed as a function of the output pattern.

Title
Apparatus and method for diagnosing an engine using computer based models in combination with a neural network
Application Number
9/221924
Publication Number
6240343 (B1)
Application Date
December 28, 1998
Publication Date
May 29, 2001
Inventor
David R Schricker
Dunlap
IL, US
Jagannathan Sarangapani
Peoria
IL, US
Agent
Haverstock Garrett & Roberts
US
Agent
Steven G Kibby
US
Assignee
Caterpillar
IL, US
IPC
G01M 15/00
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