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Proceedings Article

Characterization of satellite components assembly for responsive space applications

[+] Author Affiliations
David Mascarenas, Gyuhae Park, Charles Farrar

Los Alamos National Lab. (USA)

David Macknelly

Imperial College London (United Kingdom)

Josh Mullins

Vanderbilt Univ. (USA)

Heather Wiest

Rose-Hulman Institute of Technology (USA)

Proc. SPIE 7984, Health Monitoring of Structural and Biological Systems 2011, 79842I (April 18, 2011); doi:10.1117/12.881984
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From Conference Volume 7984

  • Health Monitoring of Structural and Biological Systems 2011
  • Tribikram Kundu
  • San Diego, California, USA | March 06, 2011

abstract

The rapid deployment of satellites is hindered by the need to flight-qualify their components and the resulting mechanical assembly. Conventional methods for qualification testing of satellite components are costly and time consuming. Furthermore, full-scale vehicles must be subjected to launch loads during testing. The focus of this research effort was to assess the performance of Structural Health Monitoring (SHM) techniques to replace the high-cost qualification procedure and to localize faults introduced by improper assembly. SHM techniques were applied on a small-scale structure representative of a responsive satellite. The test structure consisted of an extruded aluminum spaceframe covered with aluminum shear plates, which was assembled using bolted joints. Multiple piezoelectric patches were bonded to the test structure and acted as combined actuators and sensors. Piezoelectric Active-sensing based wave propagation and frequency response function techniques were used in conjunction with finite element modeling to capture the dynamic properties of the test structure. Areas improperly assembled were identified and localized. This effort primarily focused on determining whether or not bolted joints on the structure were properly tightened.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

David Mascarenas ; David Macknelly ; Josh Mullins ; Heather Wiest ; Gyuhae Park, et al.
"Characterization of satellite components assembly for responsive space applications", Proc. SPIE 7984, Health Monitoring of Structural and Biological Systems 2011, 79842I (April 18, 2011); doi:10.1117/12.881984; http://dx.doi.org/10.1117/12.881984


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