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Wide Range-Sensitive, Bending-Insensitive Pressure Detection and Application to Wearable Healthcare Device

  • Seunghwan Kim
  • , Morteza Amjadi
  • , Tae Ik Lee
  • , Yongrok Jeong
  • , Donguk Kwon
  • , Min Seong Kim
  • , Kyuyoung Kim
  • , Taek Soo Kim
  • , Yong Suk Oh
  • , Inkyu Park
  • Korea Advanced Institute of Science and Technology
  • Max Planck Institute for Intelligent Systems
  • Northwestern University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

This paper reports a wide range-sensitive, bending-insensitive pressure sensor based on a carbon nanotube (CNT)-coated porous elastomer for a wearable healthcare application. (1) Sensing performance was evaluated over ∼1MPa, which includes whole human tactile and body weight levels. The sensor exhibits a very wide sensing range from ultralow to high pressure (50Pa-1MPa) with maintenance of favorable sensitivity and reliable dynamic responses. (2) To our knowledge this is the first to investigate bending-insensitivity of the CNTs-coated porous PDMS, which facilitates accurate detection of normal pressures even on curved surfaces like human skins. (3) Finally, we demonstrated a foot insole for real-time monitoring of foot plantar pressure distribution.

Original languageEnglish
Title of host publication2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages374-377
Number of pages4
ISBN (Electronic)9781728120072
DOIs
StatePublished - Jun 2019
Event20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII - Berlin, Germany
Duration: 23 Jun 201927 Jun 2019

Publication series

Name2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII

Conference

Conference20th International Conference on Solid-State Sensors, Actuators and Microsystems and Eurosensors XXXIII, TRANSDUCERS 2019 and EUROSENSORS XXXIII
Country/TerritoryGermany
CityBerlin
Period23/06/1927/06/19

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Carbon Nanotube
  • Flexible Sensor
  • Porous Elastomer
  • Pressure Sensor

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