Effects of Distributed Friction During Sliding Touch.

IF 2.4 3区计算机科学 Q2 COMPUTER SCIENCE, CYBERNETICS

IEEE Transactions on Haptics Pub Date : 2025-06-19 DOI:10.1109/TOH.2025.3581009

MacKenzie Harnett, Paras Kumar, Rebecca F Friesen

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引用次数: 0

Abstract

Friction modulation allows for a range of different tactile sensations and textures to be simulated on flat touchscreens, yet is largely unable to render fundamental interactions such as tracing the edge of a line or shape; an edge consists of straddling two different states, yet friction modulating screens traditionally apply only one friction force at a time to the whole finger. In order to expand the range of sensations rendered via friction modulation, in this paper we explore the possibility of applying spatial feedback on the fingerpad via differing friction forces on flat touchscreens. To this end, we fabricated six distinct flat surfaces with different spatial distributions of friction and calculated deformation of the fingerpad skin in response to motion along these physical samples. In our study, friction changes that occur sequentially along the sliding direction introduced little transitory spatial warping such as compression or stretching to the fingerpad, suggesting limited perceptual differences in comparison to 'classic' friction modulation. Distributing friction across the direction of motion, however, showed pattern-dependent shearing of the fingertip skin, opening avenues for new sensations and illusions heretofore unachievable on flat touchscreen surfaces.

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滑动接触过程中分布摩擦的影响。

摩擦调制允许在平面触摸屏上模拟一系列不同的触觉和纹理，但在很大程度上无法呈现基本的相互作用，例如跟踪线条或形状的边缘；一个边缘由跨越两种不同的状态组成，然而摩擦调节屏幕传统上一次只对整个手指施加一个摩擦力。为了扩大通过摩擦调制呈现的感觉范围，在本文中，我们探索了通过平面触摸屏上不同的摩擦力在指垫上应用空间反馈的可能性。为此，我们制作了六个具有不同空间摩擦分布的不同平面，并计算了手指垫皮肤在沿着这些物理样品运动时的变形。在我们的研究中，沿着滑动方向顺序发生的摩擦变化几乎没有引入短暂的空间翘曲，例如对指垫的压缩或拉伸，这表明与“经典”摩擦调制相比，感知差异有限。然而，在整个运动方向上分配摩擦，显示出指尖皮肤的模式依赖剪切，为迄今为止在平面触摸屏表面上无法实现的新感觉和幻觉开辟了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Haptics COMPUTER SCIENCE, CYBERNETICS-

CiteScore

5.90

自引率

13.80%

发文量

109

审稿时长

>12 weeks

期刊介绍： IEEE Transactions on Haptics (ToH) is a scholarly archival journal that addresses the science, technology, and applications associated with information acquisition and object manipulation through touch. Haptic interactions relevant to this journal include all aspects of manual exploration and manipulation of objects by humans, machines and interactions between the two, performed in real, virtual, teleoperated or networked environments. Research areas of relevance to this publication include, but are not limited to, the following topics: Human haptic and multi-sensory perception and action, Aspects of motor control that explicitly pertain to human haptics, Haptic interactions via passive or active tools and machines, Devices that sense, enable, or create haptic interactions locally or at a distance, Haptic rendering and its association with graphic and auditory rendering in virtual reality, Algorithms, controls, and dynamics of haptic devices, users, and interactions between the two, Human-machine performance and safety with haptic feedback, Haptics in the context of human-computer interactions, Systems and networks using haptic devices and interactions, including multi-modal feedback, Application of the above, for example in areas such as education, rehabilitation, medicine, computer-aided design, skills training, computer games, driver controls, simulation, and visualization.