Graphite-Epoxy Motor Casing Health Monitoring System Demonstration
Abstract
A prototype Multiparameter Sensor System is described for detection, localization, and magnitude determination of impacts as well as environmental condition monitoring of graphite epoxy composite structures. This system is applied to a test sample of a Delta-II solid rocket motor Graphite Epoxy Motor (GEM) casing. Impact detection and localization is performed with a Fiber Optic Bragg strain sensor, while 3-axis acceleration, temperature, pressure and humidity are sampled with Microelectromechanical (MEMS) sensors. All sensors are sampled with a National Instruments, Inc. data acquisition PCMCIA card, processed on a Pentium-II 200-MHz laptop. Sensor information is passed wirelessly to a remote user terminal for display and data storage. Acquisition and display software was written in LabView with custom codes developed for impact localization.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1999
- Accession Number
- ADA372112
Entities
People
- Bonnie R. Brown
- Brett A. Williams
- C. M. Klimcak
- J. V. Osborn
- Y. C. Chan
Organizations
- The Aerospace Corporation