ShiverPaD: A Glass Haptic Surface That Produces Shear Force on a Bare Finger

被引:0
|
作者
Chubb, Erik C. [1 ]
Colgate, J. Edward [2 ]
Peshkin, Michael A. [2 ]
机构
[1] Northwestern Univ, Orchard Lk, MI 48324 USA
[2] Northwestern Univ, Dept Mech Engn, Evanston, IL 60208 USA
基金
美国国家科学基金会;
关键词
Haptics; tactile interface; variable friction; TACTILE FEEDBACK;
D O I
10.1109/ToH.2010.7
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We discuss the design and performance of a new haptic surface capable of controlling shear force on a bare finger. At the heart of the ShiverPaD is the TPaD variable friction device. It modulates the friction of a glass surface by using 39 kHz out-of-plane vibrations to reduce friction. To generate shear forces, the TPaD is oscillated in-plane (i.e., "shivered") while alternating between low and high friction within each cycle. In previous research, the ShiverPaD produced shear forces using in-plane vibrations below 100 Hz. In this research, we develop a new ShiverPaD that produces force using 854 Hz vibrations, where human sensitivity to vibration is diminished. The new device is used to display a virtual toggle switch and a variety of virtual edges. A human subject study is conducted to demonstrate that users can easily trace virtual edges displayed on the surface of the ShiverPaD.
引用
收藏
页码:189 / 198
页数:10
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