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Sensors 2018, 18(10), 3300; https://doi.org/10.3390/s18103300

Low-Cost Graphite on Paper Pressure Sensor for a Robot Gripper with a Trivial Fabrication Process

1
Griffith School of Engineering and Built Environment, Griffith University, Gold Coast, QLD 4222, Australia
2
Queensland Micro- and Nanotechnology Centre, Griffith University, Brisbane, QLD 4111, Australia
3
Research Group of Environmental Health, Sumitomo Chemical Ltd., Hyogo 665-8555, Japan
*
Author to whom correspondence should be addressed.
Received: 15 June 2018 / Revised: 28 September 2018 / Accepted: 28 September 2018 / Published: 1 October 2018
(This article belongs to the Section Physical Sensors)
Full-Text   |   PDF [4264 KB, uploaded 1 October 2018]   |  

Abstract

A flexible pressure sensor with a rudimentary, ultra-low cost, and solvent-free fabrication process is presented in this paper. The sensor has a graphite-on-paper stacked paper structure, which deforms and restores its shape when pressure is applied and released, showing an exceptionally fast response and relaxation time of ≈0.4 ms with a sensitivity of −5%/Pa. Repeatability of the sensor over 1000 cycles indicates an excellent long-term stability. The sensor demonstrated fast and reliable human touch interface, and successfully integrated into a robot gripper to detect grasping forces, showing high promise for use in robotics, human interface, and touch devices. View Full-Text
Keywords: graphite on paper; paper switch; resistive pressure sensor graphite on paper; paper switch; resistive pressure sensor
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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 (CC BY 4.0).
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Fastier-Wooller, J.; Dinh, T.; Dau, V.T.; Phan, H.-P.; Yang, F.; Dao, D.V. Low-Cost Graphite on Paper Pressure Sensor for a Robot Gripper with a Trivial Fabrication Process. Sensors 2018, 18, 3300.

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