Diagnostic Feature Extraction From Stamping Tonnage Signals Based on Design of Experiments

[+] Author and Article Information
Jionghua Jin

Department of Systems & Industrial Engineering, The University of Arizona, Tucson, AZ 85721-0020

Jianjun Shi

Department of Industrial and Operations Engineering, The University of Michigan, Ann Arbor, MI 48109-2117e-mail: shihang@engin.umich.edu

J. Manuf. Sci. Eng 122(2), 360-369 (Jun 01, 1999) (10 pages) doi:10.1115/1.538926 History: Received October 01, 1998; Revised June 01, 1999
Copyright © 2000 by ASME
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Grahic Jump Location
The framework for diagnostic feature extraction based on DOE
Grahic Jump Location
(a) An example of a stamping press. (b) One cycle of a tonnage signal
Grahic Jump Location
Diagnostic variable identification based on DOE
Grahic Jump Location
An example of classification based on a hierarchical structure
Grahic Jump Location
Classification based on variable D
Grahic Jump Location
Classification based on variables B and E (6(a) D=“−”; 6(b) D=“+”)
Grahic Jump Location
Classification based on variable C
Grahic Jump Location
Hierarchical classifier for the stamping process
Grahic Jump Location
Misclassification rates of the hierarchical classifiers



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