A Finger Gesture Recognition Device with Pie-oresistive Flexible Strain Sensing Fiber

doi:10.7652/xjtuxb202008015

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A Finger Gesture Recognition Device with Pie-oresistive Flexible Strain Sensing Fiber

更新时间：2025-07-09

- A Finger Gesture Recognition Device with Pie-oresistive Flexible Strain Sensing Fiber
- Vol. 54, Issue 8, Pages: 116-123(2020)
- 作者机构：
  
  1. 合肥工业大学航空结构件成形制造与装备安徽省重点实验室,合肥,230009
  2. 合肥工业大学先进功能材料与器件安徽省重点实验室,合肥,230009
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202008015
  CLC： TP274
- Online First：10 August 2020，
  
  Published：2020
- 稿件说明：
移动端阅览
A Finger Gesture Recognition Device with Pie-oresistive Flexible Strain Sensing Fiber[J]. 2020, 54(8): 116-123.
DOI：

A Finger Gesture Recognition Device with Pie-oresistive Flexible Strain Sensing Fiber[J]. 2020, 54(8): 116-123. DOI： 10.7652/xjtuxb202008015.

摘要

针对传统应变传感器柔顺性受限、与织物结合性差的问题

设计了一套可穿戴织物手指姿态识别装置。该装置的传感器为弹性硅橡胶和多壁碳纳米管复合的压阻式芯-鞘结构传感纤维柔性应变传感器

采用同轴湿法纺丝工艺制备

具有很好的可编织性

拉伸应变可达300%

响应时间少于200 ms

可将其编织到织物手套的手指关节处

用于感知手指姿态; 该装置的嵌入式控制系统采用基于STM32F103C8T6主控芯片的单片机

用于采集处理手指姿态传感信号; 该装置的识别显示系统采用发光二极管、无源蜂鸣器和有机发光显示屏等功能器件

用于手指姿态的识别显示。实验结果表明

与现有手指姿态识别装置相比

该装置将柔性应变传感纤维、常规织物、单片机和功能器件集成在一起

具有舒适的可穿戴性

实现了呼吸灯、数字音乐和手语识别等移动便携式控制应用。

Abstract

A wearable fabric device with the function of finger-gesture recognition is designed to solve the problem of the limited flexibility and poor combination with fabrics of the traditional strain sensors. Sensors of the device are a kind of pie-oresistive core-sheath sensing fiber composed of elastic silicon rubber and multi-wall carbon nanotubes. They are prepared by coaxial wet spinning process

and have good stitchability

high tensile strain up to 300% and fast response time less than 200 ms. They can be knitted into the finger joints of fabric gloves to sense the finger gestures. The embedded control system of the device is designed with a Single-Chip Microcomputer based on the STM32F103C8T6 main control chip to collect and to process finger gestures sensing signal. The recognition and display of finger gestures are reali-ed with functional devices including light emitting diode

passive bu--er

and organic light-emitting display. Experimental results and comparisons with the existin

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references

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