System and method for processing test measurements collected...

Details System and method for processing test measurements collected... System and method for processing test measurements collected...

G - Physics

06

F

G06F 7/00 (2006.01) G01M 15/00 (2006.01) G01M 15/05 (2006.01) F02B 75/02 (2006.01)

Patent

CA 2128181

-36- Abstract A system and method for processing test measurements collected from an internal combustion engine that is cold-tested for diagnostic purposes. Test measurements are collected from an engine. The test measurements are "pre- processed" by filtering and subsampling techniques so that Principal Component Analysis can be applied to condense the quantity of test measurements while still retaining a statistically accurate indication of a majority of the original measurements. The pre-processed test measurements are then passed through one or more classifiers including: a Neural Network classifier, a Fuzzy Logic classifier, a cluster-based classifier (or "Spherical"classifier) and a Genetic Program classifier. Results from these classifiers canbe used to obtain a verdict about an engine (i.e., whether the engine is "normal" or "faulty").

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