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JRM Vol.18 No.3 pp. 235-241
doi: 10.20965/jrm.2006.p0235
(2006)

Paper:

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Electromechanical Conversion Mechanism of a Tactile Sensor Using Carbon Micro Coil Inside an Elastic Material

Masato Homma*, Hiroshi Morita*, Takashi Maeno*,
Masashi Konyo**, and Seiji Motojima***

*School of Integrated Design Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan

**Graduate School of Information Sciences, Tohoku University, 6-6-01 Aramaki Aza Aoba, Aoba-ku, Sendai 980-8579, Japan

***Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan

Received:
November 2, 2005
Accepted:
April 14, 2006
Published:
June 20, 2006
Creative Commons License
Keywords:
Carbon Micro Coil, tactile sensor, electromechanical conversion characteristics, static characteristics
Abstract
Carbon Micro Coil (CMC) tactile sensor, containing CMCs in elastic component, is considered to have LCR circuit. When the sensor is transformed by mechanical force, LCR circuit changes. In consequence, the sensor is considered to be able to detect various kind of tactile information by measuring impedance. In this paper, we focused on LCR circuit formed by distribution of CMCs. By changing CMC weight percent, we made the sensors that CMCs are in contact and not in contact. When the sensor is under unloaded condition, we measured the relationship between frequency of alternating voltage and impedance. As the result, we found that electrical parameters change with CMC weight percent. When the sensor is under transformed condition, we measured relationship between thrust displacement and impedance. As the result, we found that impedance changes by deformation of CMC and change in distance between CMCs.
Cite this article as:
M. Homma, H. Morita, T. Maeno, M. Konyo, and S. Motojima, “Electromechanical Conversion Mechanism of a Tactile Sensor Using Carbon Micro Coil Inside an Elastic Material,” J. Robot. Mechatron., Vol.18 No.3, pp. 235-241, 2006.
Data files:
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