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Development of a Spoke Type Torque Sensor Using Painting Carbon Nanotube Strain Sensors

Authors
Kim, Sung YongPark, Se HoonChoi, Baek GyuKang, In HyukPark, Sang WookShin, Jeong WooKim, Jin HoBaek, Woon KyungLim, Kwon TaekKim, Young-JuSong, Jae-BokKang, Inpil
Issue Date
3월-2018
Publisher
AMER SCIENTIFIC PUBLISHERS
Keywords
Torque Sensor; Carbon Nanotube; Strain Sensor; Piezoresistivity; Smart Paint
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.18, no.3, pp.1782 - 1786
Indexed
SCIE
Journal Title
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume
18
Number
3
Start Page
1782
End Page
1786
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/77258
DOI
10.1166/jnn.2018.14989
ISSN
1533-4880
Abstract
This study reports a hub-spoke type joint torque sensor involving strain gauges made of multi-walled carbon nanotubes (MWCNT). We developed the novel joint torque sensor for robots by means of MWCNT/epoxy strain sensors (0.8 wt%, gauge factor 2) to overcome the limits of conventional foil strain gauges. Solution mixing process was hired to fabricate a liquid strain sensor that can easily be installed on any complicated surfaces. We painted the MWCNT/epoxy mixing liquid on the hub-spoke type joint torque sensor to form the piezoresistive strain gauges. The painted sensor converted its strain into torque by mean of the installed hub-spoke structure after signal processing. We acquired sufficient torque voltage responses from the painted MWCNT/epoxy strain sensor.
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Song, Jae Bok
공과대학 (기계공학부)
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