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Initial Development of a Portable Acoustic Array on a Large-Scale E-Textile Substrate

  • K. A. Luthy (a1), L. S. Mattos (a1), J. C. Braly (a1), E. Grant (a1), J. F. Muth (a1), A. Dhawan (a2), K. Natarajan (a2), T. Ghosh (a2) and A. Seyam (a2)...

Abstract

Electronic textiles offer possibilities for producing large-area sensors circuits on conformal substrates. To demonstrate this concept, a 5×4 element acoustic array was produced on a 3m × 1m fabric substrate. In the course of fabricating the acoustic array a variety of production issues were identified that impacted the performance of the prototype when experimental tests were carried out with this prototype acoustic array. Fabric-based acoustic array design and production, along with design issues related to scaling an acoustic array to handle larger numbers of microphones on large-area fabrics, are the focus of this paper.

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Walworth, M. and Mahajan, A., “3D Position Sensing using the Difference in the Time-of-Flights from a Wave Source to Various Receivers,” in Proc. 8th International Conference of Advanced Robotics (ICAR '97), Monterey, CA, July 7–9, 1997, pp. 611616.
Dhawan, A., “Woven fabric-based electrical circuits“, Masters Thesis Dissertation under the supervision of T. K. Ghosh, A. Seyam, and J. Muth, North Carolina State University, December, 2001.
[3] Dhawan, A., Ghosh, T., Seyam, A., and Muth, J., “Woven Fabric-based Electrical Circuits“, Proceedings of the Textile Technology Forum organized by the Industrial Fabrics Association International and the Textile Institute, Charlotte, NC, October 23, 2002.

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Initial Development of a Portable Acoustic Array on a Large-Scale E-Textile Substrate

  • K. A. Luthy (a1), L. S. Mattos (a1), J. C. Braly (a1), E. Grant (a1), J. F. Muth (a1), A. Dhawan (a2), K. Natarajan (a2), T. Ghosh (a2) and A. Seyam (a2)...

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