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Quantifying touch-feel perception : tribological aspects

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Liu, X., Yue, Zhaoyang, Cai, Z., Chetwynd, D. G. and Smith, S. T. (2008) Quantifying touch-feel perception : tribological aspects. Measurement Science and Technology, Vol.19 (No.8). Article: 084007. doi:10.1088/0957-0233/19/8/084007 ISSN 0957-0233.

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Official URL: http://dx.doi.org/10.1088/0957-0233/19/8/084007

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Abstract

We report a new investigation into how surface topography and friction affect human touch–feel perception. In contrast with previous work based on micro-scale mapping of surface mechanical and tribological properties, this investigation focuses on the direct measurement of the friction generated when a fingertip is stroked on a test specimen. A special friction apparatus was built for the in situ testing, based on a linear flexure mechanism with both contact force and frictional force measured simultaneously. Ten specimens, already independently assessed in a 'perception clinic', with materials including natural wood, leather, engineered plastics and metal were tested and the results compared with the perceived rankings. Because surface geometrical features are suspected to play a significant role in perception, a second set of samples, all of one material, were prepared and tested in order to minimize the influence of properties such as hardness and thermal conductivity. To minimize subjective effects, all specimens were also tested in a roller-on-block configuration based upon the same friction apparatus, with the roller materials being steel, brass and rubber. This paper reports the detailed design and instrumentation of the friction apparatus, the experimental set-up and the friction test results. Attempts have been made to correlate the measured properties and the perceived feelings for both roughness and friction. The results show that the measured roughness and friction coefficient both have a strong correlation with the rough–smooth and grippy–slippery feelings.

Item Type: Journal Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Perception, Friction, Touch, Tribology, Metrology, Materials science
Journal or Publication Title: Measurement Science and Technology
Publisher: Institute of Physics Publishing Ltd.
ISSN: 0957-0233
Official Date: August 2008
Dates:
DateEvent
August 2008Published
Volume: Vol.19
Number: No.8
Number of Pages: 9
Page Range: Article: 084007
DOI: 10.1088/0957-0233/19/8/084007
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 17 December 2015
Date of first compliant Open Access: 17 December 2015
Version or Related Resource: This item was also presented at the 8th International Symposium on Measurement Technology and Intelligent Instruments, Tohoku Univ, Sendai, Japan, Sep 24 - 27, 2007.

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