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Proceedings Paper

Quantification of a contact stimulus by diapers
Author(s): Takuya Nomata; Takeshi Okuyama; Hiromi Teraoka; Yasuo Murakami; Kiyoshi Miyazawa; Mami Tanaka
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Paper Abstract

This paper describes a development of a sensor system for measurement of a contact stimulus which diapers give to infants. A polyvinyliden fluoride (PVDF) film and a strain gauge are used as the sensor receptors. The PVDF is a kind of piezoelectric material. The sensor consists of a surface contact layer, a PVDF film, a strain gauge and an aluminum plate. First, in order to investigate the sensor performance, the sensor was located on a silicone plate and the upper part of the sensor was rubbed with an acrylic artificial finger. The finger enabled the measurement to carry out at a constant speed and force. Next, the sensor was attached on an infant dummy and the sensor outputs were measured under conditions with and without diapers. By comparison of the output under two different conditions, it was confirmed that there is a clearly difference between the two conditions. It was found that the developed sensor system has the possibility to quantify a contact stimulus which diapers give infants.

Paper Details

Date Published: 22 January 2010
PDF: 6 pages
Proc. SPIE 7500, ICMIT 2009: Mechatronics and Information Technology, 75000I (22 January 2010); doi: 10.1117/12.858310
Show Author Affiliations
Takuya Nomata, Tohoku Univ. (Japan)
Takeshi Okuyama, Tohoku Univ. (Japan)
Hiromi Teraoka, Unicharm Corp. (Japan)
Yasuo Murakami, Unicharm Corp. (Japan)
Kiyoshi Miyazawa, Unicharm Corp. (Japan)
Mami Tanaka, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 7500:
ICMIT 2009: Mechatronics and Information Technology
Jeha Ryu; Kil To Chong; Ryojun Ikeura; Qingkai Han, Editor(s)

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