The effect of surface roughness on human stiffness feeling

Semin Kang; Takeshi Okuyama; Mami Tanaka

doi:10.3233/JAE-171028

The effect of surface roughness on human stiffness feeling

Semin Kang, Takeshi Okuyama, Mami Tanaka

Research output: Contribution to journal › Article › peer-review

Abstract

This study aims to elucidate the effect of surface roughness on feeling of stiffness. In order to clarify the effect of surface roughness, we focus on the fingertip motion during the sensory evaluation of stiffness feeling. In this paper, the pair comparison method was used in sensory evaluation with two kinds of instruction. One is that subjects evaluated stiffness of samples freely. The other is that subjects evaluated them with feeling the surface roughness. During the sensory evaluation, subject's fingertip trajectories and contact force with the samples were measured. From the results of sensory evaluation, it was found that surface roughness obviously affected feeling of stiffness in the case of instruction that subjects evaluated them with feeling the surface roughness.

Original language	English
Pages (from-to)	1103-1110
Number of pages	8
Journal	International Journal of Applied Electromagnetics and Mechanics
Volume	59
Issue number	3
DOIs	https://doi.org/10.3233/JAE-171028
Publication status	Published - 2019 Jan 1

Keywords

Tactile sensation
pair comparison method
roughness
sensory evaluation
stiffness

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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N2 - This study aims to elucidate the effect of surface roughness on feeling of stiffness. In order to clarify the effect of surface roughness, we focus on the fingertip motion during the sensory evaluation of stiffness feeling. In this paper, the pair comparison method was used in sensory evaluation with two kinds of instruction. One is that subjects evaluated stiffness of samples freely. The other is that subjects evaluated them with feeling the surface roughness. During the sensory evaluation, subject's fingertip trajectories and contact force with the samples were measured. From the results of sensory evaluation, it was found that surface roughness obviously affected feeling of stiffness in the case of instruction that subjects evaluated them with feeling the surface roughness.

AB - This study aims to elucidate the effect of surface roughness on feeling of stiffness. In order to clarify the effect of surface roughness, we focus on the fingertip motion during the sensory evaluation of stiffness feeling. In this paper, the pair comparison method was used in sensory evaluation with two kinds of instruction. One is that subjects evaluated stiffness of samples freely. The other is that subjects evaluated them with feeling the surface roughness. During the sensory evaluation, subject's fingertip trajectories and contact force with the samples were measured. From the results of sensory evaluation, it was found that surface roughness obviously affected feeling of stiffness in the case of instruction that subjects evaluated them with feeling the surface roughness.

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