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

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Department of Mechatronics Engineering, National University of Sciences and Technology, H-12, Islamabad 44000, Pakistan


Department of Electrical Engineering, COMSATS Institute of Information Technology, Islamabad 44000, Pakistan


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

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

Autor: Mohsin Islam Tiwana 1, Moazzam Islam Tiwana 2,* , Stephen James Redmond 3, Nigel Hamilton Lovell 3 and Javaid Iqbal 1



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