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Proceedings Paper

Role of data fusion in NDE for aging aircraft
Author(s): David S. Forsyth; Jerzy P. Komorowski
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Paper Abstract

As structural integrity models for aging aircraft begin to include the effects of corrosion and corrosion-fatigue, nondestructive evaluation (NDE) techniques will be called upon to provide metrics of corrosion for input to these models. It is unlikely that any one NDE technique can provide all the required metrics to characterize the condition of complex airframe structures. This paper discusses how data fusion can be used to integrate the results of multiple NDE techniques into a form suitable for input to structural models. Examples of the inspection of service-retired lap joints with NDE techniques including pulsed eddy current, conventional eddy current, Edge of Light, and D Sight are given. Significant metrics for structural models of the joint are discussed, and the performance of the individual NDE techniques on the metrics of corrosion and fatigue is evaluated. The results are used to generate a set of requirements for data fusion system to successfully transform the NDE data to a form a suitable for input to the structural models.

Paper Details

Date Published: 5 May 2000
PDF: 12 pages
Proc. SPIE 3994, Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware IV, (5 May 2000); doi: 10.1117/12.385034
Show Author Affiliations
David S. Forsyth, National Research Council Canada (Canada)
Jerzy P. Komorowski, National Research Council Canada (Canada)

Published in SPIE Proceedings Vol. 3994:
Nondestructive Evaluation of Aging Aircraft, Airports, and Aerospace Hardware IV
Ajit K. Mal, Editor(s)

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