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Appl. Sci. 2016, 6(10), 297; doi:10.3390/app6100297

Bio-Inspired PVDF-Based, Mouse Whisker Mimicking, Tactile Sensor

1
Department of Mechatronics Engineering, National University of Sciences and Technology, H-12, Islamabad 44000, Pakistan
2
Department of Electrical Engineering, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan
3
Graduate School of Biomedical Engineering, University of New South Wales, Sydney 2052, NSW, Australia
*
Author to whom correspondence should be addressed.
Academic Editor: Gangbing Song
Received: 24 August 2016 / Revised: 25 September 2016 / Accepted: 29 September 2016 / Published: 13 October 2016
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Abstract

The design and fabrication of a Polyvinylidene fluoride (PVDF) based, mouse (or rodent) whisker mimicking, tactile sensor is presented. Unlike previous designs reported in the literature, this sensor mimics the mouse whisker not only mechanically, but it also makes macro movements just like a real mouse whisker in a natural environment. We have developed a mathematical model and performed finite element analysis using COMSOL, in order to optimise the whisker to have the same natural frequency as that of a biological whisker. Similarly, we have developed a control system that enables the whisker mimicking sensor to vibrate at variable frequencies and conducted practical experiments to validate the response of the sensor. The natural frequency of the whisker can be designed anywhere between 35 and 110 Hz, the same as a biological whisker, by choosing different materials and physical dimensions. The control system of this sensor enables the whisker to vibrate between 5 and 236 Hz. View Full-Text
Keywords: biomimicry; tactile sensing; biomimetics biomimicry; tactile sensing; biomimetics
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Tiwana, M.I.; Tiwana, M.I.; Redmond, S.J.; Lovell, N.H.; Iqbal, J. Bio-Inspired PVDF-Based, Mouse Whisker Mimicking, Tactile Sensor. Appl. Sci. 2016, 6, 297.

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