Tactile Interaction Sensor with Millimeter Sensing Acuity

doi:10.3390/s21134274

2021-06-22

DOI：10.3390/s21134274

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摘要

En 中文

In this article we report on a 3 x 3 mm tactile interaction sensor that is able to simultaneously detect pressure level, pressure distribution, and shear force direction. The sensor consists of multiple mechanical switches under a conducting diaphragm. An external stimulus is measured by the deflection of the diaphragm and the arrangement of mechanical switches, resulting in low noise, high reliability, and high uniformity. Our sensor is able to detect tactile forces as small as similar to 50 mgf along with the direction of the shear force. It also distinguishes whether there is a normal pressure during slip motion. We also succeed in detecting the contact shape and the contact motion, demonstrating potential applications in robotics and remote input interfaces. Since our sensor has a simple structure and its function depends only on sensor dimensions, not on an active sensing material, in comparison with previous tactile sensors, our sensor shows high uniformity and reliability for an array-type integration.

Keyword:

digitized output

tactile sensor

pressure sensor

shear sensor

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期刊

Sensors

IF:

3.5

论文数:

7.2W

被引数:

20.9W

机构

hanyang university

学者数:

2.9W

论文数: 2.7W

被引数: 36

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