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Journal of Shanghai Jiaotong University(Science) >

2025 , Vol. 30 >Issue 3: 463 - 471

DOI: https://doi.org/10.1007/s12204-023-2648-1

Medicine-Engineering Interdisciplinary

Influence of Height of Bionic Hexagonal Texture on Tactile Perception

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  • 1. China Coal Technology and Engineering Group Robot Technology Co., Ltd., Shenzhen 518052, Guangdong, China; 2. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China

Received date: 2022-12-19

  Accepted date: 2023-01-11

  Online published: 2025-06-06

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Abstract

It is significant to process textures with special functions similar to animal surfaces based on bionics and improve the friction stability and contact comfort of contact surfaces for the surface texture design of tactile products. In this paper, a bionic hexagonal micro-convex texture was prepared on an acrylic surface by laser processing. The friction mechanism of a finger touching the bionic hexagonal micro-convex texture under different touch speeds and pressures, and the effect of the height of the texture on tactile perception were investigated by finite element, subjective evaluation, friction, and EEG tests. The results showed that the deformation friction was the main friction component when the finger touched the bionic hexagonal texture, and the slipperiness and friction factor showed a significant negative correlation. As the touch speed decreased or the touch force increased, the hysteresis friction of the fingers as well as the interlocking friction increased, and the slipperiness perception decreased. The bionic hexagonal texture with higher convexity caused a higher friction factor, lower slipperiness perception, and lower P300 peak. Hexagonal textures with lower convexity, lower friction factor, and higher slipperiness perception required greater brain attentional resources and intensity of tactile information processing during tactile perception.

Cite this article

Wang Lei, Zhu Yuqin, Fang Xingxing, Wang Shuai, Tang Wei . Influence of Height of Bionic Hexagonal Texture on Tactile Perception[J]. Journal of Shanghai Jiaotong University(Science), 2025 , 30(3) : 463 -471 . DOI: 10.1007/s12204-023-2648-1

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