Journal
TRIBOLOGY INTERNATIONAL
Volume 123, Issue -, Pages 286-295Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2018.03.012
Keywords
Finger friction; Tactile perception; Sliding speed; Contact area
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Funding
- National Natural Science Foundation of China [51675448]
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This work focused on the underlying mechanism of how sliding speed affected the tactile perception through analysing tribological and dynamical properties of the right index finger. The test was performed on identifying surface roughness through the finger sliding against sandpapers. Parameters such as the sliding speed, the roughness of sandpaper, or the contact area were each varied while others were kept constant. The test showed that the magnitude of vibration acceleration increased with the increase of sliding speed. The stick-slip phenomenon occurred at the lower speed, and high-frequency stick-slip was observed in the fingertip contact. It was found that a higher vibration magnitude benefited the recognition of samples, while the occurrence of stick-slip phenomenon interfered the perception.
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