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Sensors 2012, 12(11), 15267-15280; doi:10.3390/s121115267
Article

Experimental Characterization of a Flexible Thermal Slip Sensor

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Received: 8 October 2012; in revised form: 2 November 2012 / Accepted: 5 November 2012 / Published: 8 November 2012
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Italy 2012)
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Abstract: Tactile sensors are needed for effectively controlling the interaction between a robotic hand and the environment, e.g., during manipulation of objects, or for the tactile exploration of unstructured environments, especially when other sensing modalities, such as vision or audition, become ineffective. In the case of hand prostheses, mainly intended for dexterous manipulation of daily living objects, the possibility of quickly detecting slip occurrence, thus avoiding inadvertent falling of the objects, is prodromal to any manipulation task. In this paper we report on a slip sensor with no-moving parts, based on thermo-electrical phenomena, fabricated on a flexible substrate and suitable for integration on curved surfaces, such as robotic finger pads. Experiments performed using a custom made test bench, which is capable of generating controlled slip velocities, show that the sensor detects slip events in less than 50 ms. This response time is short enough for enabling future applications in the field of hand prosthetics.
Keywords: slip detection; flexible sensors; tactile sensors slip detection; flexible sensors; tactile sensors
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

Francomano, M.T.; Accoto, D.; Guglielmelli, E. Experimental Characterization of a Flexible Thermal Slip Sensor. Sensors 2012, 12, 15267-15280.

AMA Style

Francomano MT, Accoto D, Guglielmelli E. Experimental Characterization of a Flexible Thermal Slip Sensor. Sensors. 2012; 12(11):15267-15280.

Chicago/Turabian Style

Francomano, Maria T.; Accoto, Dino; Guglielmelli, Eugenio. 2012. "Experimental Characterization of a Flexible Thermal Slip Sensor." Sensors 12, no. 11: 15267-15280.



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