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Electronic Skin to Feel "Pain": Detecting "Prick" and "Hot" Pain Sensations

Title
Electronic Skin to Feel "Pain": Detecting "Prick" and "Hot" Pain Sensations
Authors
Sim, MinkyungLee, Kyung HwaShin, KwonsikShin, Jeong HeeChoi, Ji-WoongChoi, HongsooMoon, CheilKim, Hyun SikCho, YuljaeCha, Seung NamJung, Jae EunSohn, Jung InnJang, Jae Eun
DGIST Authors
Choi, Ji-WoongChoi, HongsooMoon, CheilJang, Jae Eun
Issue Date
2019-12
Citation
Soft Robotics, 6(6), 745-759
Type
Article
Article Type
Article; Early Access
Author Keywords
artificial pain feelingelectronic skintactile sensorZnO nanowireSeebeck effectpiezoelectric effectpyroelectric effect
Keywords
PYROELECTRIC NANOGENERATORSSENSE TEXTUREGLABROUS SKINHUMAN HANDCELL
ISSN
2169-5172
Abstract
An artificial tactile system has attracted tremendous interest and intensive study, since it can be applied as a new functional interface between humans and electronic devices. Unfortunately, most previous works focused on improving the sensitivity of sensors. However, humans also respond to psychological feelings for sensations such as pain, softness, or roughness, which are important factors for interacting with others and objects. Here, we present an electronic skin concept that generates a "pain" warning signal, specifically, to sharp "prick" and "hot" sensations. To simplify the sensor structure for these two feelings, a single-body tactile sensor design is proposed. By exploiting "hot" feeling based on the Seebeck effect instead of the pyroelectric property, it is possible to distinguish points registering a "hot" feeling from those generating a "prick" feeling, which is based on the piezoelectric effect. The control of free carrier concentration in nanowire induced the appropriate level of Seebeck current, which enabled the sensor system to be more reliable. The first derivatives of the piezo and Seebeck output signals are the key factors for the signal processing of the "pain" feeling. The main idea can be applied to mimic other psychological tactile feelings. © Copyright 2019, Mary Ann Liebert, Inc.
URI
http://hdl.handle.net/20.500.11750/10404
DOI
10.1089/soro.2018.0049
Publisher
Mary Ann Liebert, Inc.
Related Researcher
  • Author Jang, Jae Eun Advanced Electronic Devices Research Group(AEDRG)
  • Research Interests Nanoelectroinc device; 생체 신호 센싱 시스템 및 생체 모방 디바이스; 나노 통신 디바이스
Files:
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Collection:
Department of Information and Communication EngineeringCSP(Communication and Signal Processing) Lab1. Journal Articles
Department of Robotics EngineeringBio-Micro Robotics Lab1. Journal Articles
Department of Brain and Cognitive SciencesMoon Lab1. Journal Articles
Department of Information and Communication EngineeringAdvanced Electronic Devices Research Group(AEDRG)1. Journal Articles


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