System and method for processing test measurements collected fro

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

1993-08-02

1994-11-08

Raevis, Robert

Measuring and testing

Test stand

For engine

395913, 731172, G01M 1500

Patent

active

053616286

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 Principle 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 can be used to obtain a verdict about an engine (i.e., whether the engine is "normal" or "faulty").

REFERENCES:
patent: 5041976 (1991-08-01), Marko et al.
patent: 5060279 (1991-10-01), Crawford et al.
patent: 5193513 (1993-03-01), Marko et al.
patent: 5200899 (1993-04-01), Ribbens et al.

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