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Proceedings Paper

DC-XA structural health-monitoring system
Author(s): Erwin W. Baumann; Ronald S. Becker; Phillip J. Ellerbrock; Steven W. Jacobs
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Paper Abstract

The NASA/McDonnell Douglas Delta Clipper-Experimental Advanced (DC-XA) re-usable rocket program included the development of a Structural Health Monitoring System (SHMS) to acquire and present structural health information to the DC-XA flight team in near-real-time. The SHMS was successfully demonstrated in 1996 during flight tests of the DC-XA at White Sands Missile Range where it was used to support rapid vehicle turnaround and to provide an improved understanding of the DC-XA's advanced structural components, including a composite liquid hydrogen tank, composite interbank, and aluminum-lithium liquid oxygen tank. Development of the DC-XA SHMS required the selection and integration of fiberoptic and conventional sensors, development of an advanced, multi-channel fiberoptic sensor demodulator, investigation of sensor installation methods, and the development of structural health data analysis and visualization algorithms. This paper describes the design, implementation, and operation of the DC-XA SHMS. Results and conclusions from ground and flight tests are presented.

Paper Details

Date Published: 23 May 1997
PDF: 12 pages
Proc. SPIE 3044, Smart Structures and Materials 1997: Industrial and Commercial Applications of Smart Structures Technologies, (23 May 1997); doi: 10.1117/12.274665
Show Author Affiliations
Erwin W. Baumann, McDonnell Douglas Aerospace (United States)
Ronald S. Becker, McDonnell Douglas Aerospace (United States)
Phillip J. Ellerbrock, McDonnell Douglas Aerospace (United States)
Steven W. Jacobs, McDonnell Douglas Aerospace (United States)

Published in SPIE Proceedings Vol. 3044:
Smart Structures and Materials 1997: Industrial and Commercial Applications of Smart Structures Technologies
Janet M. Sater, Editor(s)

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