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Proceedings Article

Detecting the point of impact on a cylindrical plate by the acoustic emission technique

[+] Author Affiliations
Talieh Hajzargarbashi, Tribikram Kundu

The Univ. of Arizona (USA)

Hayato Nakatani, Nobuo Takeda

Univ. of Tokyo (Japan)

Proc. SPIE 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, 79810U (April 13, 2011); doi:10.1117/12.881199
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From Conference Volume 7981

  • Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011
  • Masayoshi Tomizuka
  • San Diego, California, USA | March 06, 2011

abstract

An optimization based technique for detecting the impact point on isotropic and anisotropic flat plates developed by Kundu and his associates is extended here to the cylindrical geometry. An objective function is defined that uses the cylindrical coordinates of four sensors attached to the cylinder and four arrival times to locate the point of impact by minimizing the objective function that gives the least squares error. The proposed technique is experimentally verified by predicting the points of impact and comparing the predicted points with the actual points of impact.

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

Talieh Hajzargarbashi ; Hayato Nakatani ; Tribikram Kundu and Nobuo Takeda
"Detecting the point of impact on a cylindrical plate by the acoustic emission technique", Proc. SPIE 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, 79810U (April 13, 2011); doi:10.1117/12.881199; http://dx.doi.org/10.1117/12.881199


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