Effect of Finger Moisture on Tactile Perception of Electroadhesion

AliAbbasi, Easa;Muzammil, Muhammad;Sirin, Omer;Lefèvre, Philippe;Basdogan, Cagatay;et.al.
(2024) IEEE Transactions on Haptics — Vol. 17, n° 4, p. 841-849 (2024)

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Authors
  • AliAbbasi, Easaorcid-logoMax Planck Institute for Informatics, Saarbrucken, Germany
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  • Muzammil, Muhammadorcid-logoKoc University, Istanbul, Türkiye
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  • Sirin, OmerKoc University, Istanbul, Türkiye
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  • Lefèvre, Philippeorcid-logoUCLouvain
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  • Basdogan, Cagatayorcid-logoKoc University, Istanbul, Türkiye
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Abstract
We investigate the effect of finger moisture on the tactile perception of electroadhesion with 10 participants. Participants with moist fingers exhibited markedly higher threshold levels. Our electrical impedance measurements show a substantial reduction in impedance magnitude when sweat is present at the finger-touchscreen interface, indicating increased conductivity. Supporting this, our mechanical friction measurements show that the relative increase in electrostatic force due to electroadhesion is lower for a moist finger.
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AliAbbasi, E., Muzammil, M., Sirin, O., Lefèvre, P., Martinsen, Ø. G., & Basdogan, C. (2024). Effect of Finger Moisture on Tactile Perception of Electroadhesion. IEEE Transactions on Haptics, 17(4), 841-849. https://doi.org/10.1109/toh.2024.3441670 (Original work published 2024)