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Discrimination Characteristics of Physical Determinants for Tactile Roughness Sensation of Fabric Surface Textures

  • Qun Zhao
  • Jiyong Hu
  • Xudong Yang
  • Xin Ding
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 259)

Abstract

The lack of understanding of the threshold on the basic physical factors forming rough sense of basic hinders the study of tactile roughness sensation. In this paper, differential threshold and Weber fraction are investigated for clearer understanding of how physical factors affect the roughness sensation by the constant stimulus method and the paired comparison method. The results show that the differential threshold for the mean deviation of surface profile is 0.86 μm and that the differential threshold of texture spatial period is 2.48 mm. As there is an interaction between the roughness indexes, any of the indexes alone cannot represent roughness sensation.

Keywords

Fabric Tactile roughness Spatial period Differential threshold Weber fraction 

Notes

Acknowledgments

This study was funded by NSFC (No. 51175076), Shanghai Natural Science Fund (No. 12ZR1400500), and the Fundamental Research Funds for the Central Universities.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Ministry of EducationKey Laboratory of Textile Science & Technology (Donghua University)ShanghaiPeople’s Republic of China
  2. 2.College of TextileDonghua UniversityShanghaiPeople’s Republic of China

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