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Sensors 2013, 13(12), 16347-16359; doi:10.3390/s131216347
Article

A Table-Shaped Tactile Sensor for Detecting Triaxial Force on the Basis of Strain Distribution

1,* , 2
, 1
 and 3
Received: 26 September 2013; in revised form: 2 November 2013 / Accepted: 14 November 2013 / Published: 28 November 2013
(This article belongs to the Section Physical Sensors)
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Abstract: A slim and flexible tactile sensor applicable to the interaction of human and intelligent robots is presented. In particular, a simple sensing principle for decoupling of three-dimensional force is proposed. Sensitivity of the proposed tactile sensor is tested experimentally. To improve the sensitivity of the sensor, a table-shaped sensing element was designed. Table-shaped structure can convert an external acting force into concentrated internal stress. A “triaxial force decoupling algorithm” was developed by combining two-dimensional mapping data calculated by finite element analysis. The sensor was calibrated under normal and tangential forces. The external loads applied to the sensor could be decoupled independently as a function of the strain-gauge responses.
Keywords: tactile sensor; table-shaped structure; decoupling of triaxial force tactile sensor; table-shaped structure; decoupling of triaxial force
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Lee, J.I.; Kim, M.-G.; Shikida, M.; Sato, K. A Table-Shaped Tactile Sensor for Detecting Triaxial Force on the Basis of Strain Distribution. Sensors 2013, 13, 16347-16359.

AMA Style

Lee JI, Kim M-G, Shikida M, Sato K. A Table-Shaped Tactile Sensor for Detecting Triaxial Force on the Basis of Strain Distribution. Sensors. 2013; 13(12):16347-16359.

Chicago/Turabian Style

Lee, Jeong I.; Kim, Min-Gyu; Shikida, Mitsuhiro; Sato, Kazuo. 2013. "A Table-Shaped Tactile Sensor for Detecting Triaxial Force on the Basis of Strain Distribution." Sensors 13, no. 12: 16347-16359.



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