盲文
触觉传感器
纳米复合材料
材料科学
计算机科学
磁场
聚二甲基硅氧烷
纳米技术
触觉显示器
声学
阅读(过程)
光电子学
人工智能
复合材料
机械工程
工程类
机器人
物理
政治学
法学
操作系统
量子力学
作者
Ahmed Alfadhel,M. A. Khan,S. Cardoso,Jürgen Kosel
出处
期刊:IEEE Sensors Journal
[Institute of Electrical and Electronics Engineers]
日期:2016-12-15
卷期号:16 (24): 8700-8705
被引量:57
标识
DOI:10.1109/jsen.2016.2558599
摘要
We report a biomimetic magnetic tactile sensor for reading Braille characters. The sensor consists of magnetic nanocomposite artificial cilia implemented on magnetic micro sensors. The nanocomposite is produced from the highly elastic polydimethylsiloxane and iron nanowires that exhibit a permanent magnetic behavior. This design enables remote operation and does not require an additional magnetic field to magnetize the nanowires. The highly elastic nanocomposite is easy to pattern, corrosion resistant, and thermally stable. The tactile sensors can detect vertical and shear forces, which allows recognizing small changes in surface texture, as in the case of Braille dots. The six dots of a braille cell are read from top to bottom with a tactile sensor array consisting of four elements and 1 mm long nanocomposite cilia.
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