23 May 1997 DC-XA structural health-monitoring system
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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.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Erwin W. Baumann, Erwin W. Baumann, Ronald S. Becker, Ronald S. Becker, Phillip J. Ellerbrock, Phillip J. Ellerbrock, Steven W. Jacobs, Steven W. Jacobs, } "DC-XA structural health-monitoring system", Proc. SPIE 3044, Smart Structures and Materials 1997: Industrial and Commercial Applications of Smart Structures Technologies, (23 May 1997); doi: 10.1117/12.274665; https://doi.org/10.1117/12.274665
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