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Ko, Hyunhyub
Functional Nanomaterials & Devices Lab.
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A Triple-Mode Flexible E-Skin Sensor Interface for Multi-Purpose Wearable Applications

Author(s)
Kim, Sung-WooLee, YoungohPark, JonghwaKim, SeungmokChae, HeeyoungKo, HyunhyubKim, Jae Joon
Issued Date
2018-01
DOI
10.3390/s18010078
URI
https://scholarworks.unist.ac.kr/handle/201301/23140
Fulltext
http://www.mdpi.com/1424-8220/18/1/78
Citation
SENSORS, v.18, no.1, pp.78
Abstract
This study presents a flexible wireless electronic skin (e-skin) sensor system that includes a multi-functional sensor device, a triple-mode reconfigurable readout integrated circuit (ROIC), and a mobile monitoring interface. The e-skin device's multi-functionality is achieved by an interlocked micro-dome array structure that uses a polyvinylidene fluoride and reduced graphene oxide (PVDF/RGO) composite material that is inspired by the structure and functions of the human fingertip. For multi-functional implementation, the proposed triple-mode ROIC is reconfigured to support piezoelectric, piezoresistance, and pyroelectric interfaces through single-type e-skin sensor devices. A flexible system prototype was developed and experimentally verified to provide various wireless wearable sensing functions-including pulse wave, voice, chewing/swallowing, breathing, knee movements, and temperature-while their real-time sensed data are displayed on a smartphone.
Publisher
MDPI AG
ISSN
1424-8220
Keyword (Author)
electronic skinreadout integrated circuitsensor interfacewearable devicetriple-modemulti-purpose
Keyword
ELECTRONIC SKINSTRAIN SENSORSPRESSURE

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