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3D printed triboelectric nanogenerator as self-powered human-machine interactive sensor for breathing-based language expression

Nano research, 2022-08, Vol.15 (8), p.7460-7467 [Peer Reviewed Journal]

Tsinghua University Press 2022 ;Tsinghua University Press 2022. ;ISSN: 1998-0124 ;EISSN: 1998-0000 ;DOI: 10.1007/s12274-022-4339-x

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  • Title:
    3D printed triboelectric nanogenerator as self-powered human-machine interactive sensor for breathing-based language expression
  • Author: Zhu, Pengcheng ; Zhang, Baosen ; Wang, Hongyi ; Wu, Yiheng ; Cao, Hengjun ; He, Liubing ; Li, Chaoyue ; Luo, Xuepeng ; Li, Xing ; Mao, Yanchao
  • Subjects: Air flow ; Aphasia ; Atomic/Molecular Structure and Spectra ; Biomedicine ; Biotechnology ; Chemistry and Materials Science ; Computers ; Condensed Matter Physics ; Information processing ; Interfaces ; Language ; Man-machine interfaces ; Materials Science ; Morse code ; Nanogenerators ; Nanotechnology ; Research Article ; Three dimensional printing ; Voice communication ; Voice control
  • Is Part Of: Nano research, 2022-08, Vol.15 (8), p.7460-7467
  • Description: Human-machine interfaces (HMIs) are important windows for a human to communicate with the outside world. The current HMI devices such as cellphones, tablets, and computers can be used to help people with aphasia for language expression. However, these conventional HMI devices are not friendly to some particular groups who also lose their abilities of physical movements like in the intensive care unit (ICU) or vegetative patients to realize language expression. Herein, we report a breath-driven triboelectric nanogenerator (TENG) acting as a HMI sensor for language expression through human breathing without voice controls or manual operations. The TENG is integrated within a mask and fabricated via a three-dimensional (3D) printing method. When wearing the mask, the TENG can produce responsive electric signals corresponding to the airflow from breathing, which is capable of recognizing human breathing types with different intensities, lengths, and frequencies. On the basis of the breathing recognition ability, a breathing-based language expressing system is further developed through introducing the Morse code as a communication protocol. Compared with conventional language expressing devices, this system can extract subjective information of a person from breathing behaviors and output corresponding language text, which is not relying on voices or physical movements. This research for the first time introduces the self-powered breathing-based language expressing method to the field of HMI technology by using a 3D printed TENG, and could make HMI interactions become more friendly and fascinating.
  • Publisher: Beijing: Tsinghua University Press
  • Language: English
  • Identifier: ISSN: 1998-0124
    EISSN: 1998-0000
    DOI: 10.1007/s12274-022-4339-x
  • Source: ProQuest Central
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