Outdoor Worker Stress Monitoring Electronics with Nanofabric Radiative Cooler‐Based Thermal Management

Severe stress endangers outdoor workers who are in an exceedingly hot workplace. Although recent studies quantify stress levels on the human skin, they still rely on rigid, bulky sensor modules, causing data loss from motion artifacts and limited field‐deployability for continuous health monitoring....

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Bibliographic Details
Published inAdvanced healthcare materials Vol. 12; no. 28; p. e2301104
Main Authors Kim, Hojoong, Yoo, Young Jin, Yun, Joo Ho, Heo, Se‐Yeon, Song, Young Min, Yeo, Woon‐Hong
Format Journal Article
LanguageEnglish
Published Germany Wiley Subscription Services, Inc 01.11.2023
Subjects
Air temperature
Bioelectricity
Controllability
Data loss
Electronic components
Hot working
In vivo methods and tests
Portable equipment
Thermal management
Wearable computers
Wearable technology
Workers
outdoor workers stress
nanofabric radiative cooler
Soft bioelectronics
galvanic skin response
wearable wireless sensor
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Summary:Severe stress endangers outdoor workers who are in an exceedingly hot workplace. Although recent studies quantify stress levels on the human skin, they still rely on rigid, bulky sensor modules, causing data loss from motion artifacts and limited field‐deployability for continuous health monitoring. Moreover, no prior work shows a wearable device that can endure heat exposure while showing continuous monitoring of a subject's stress under realistic working environments. Herein, a soft, field‐deployable, wearable bioelectronic system is introduced for detecting outdoor workers' stress levels with negligible motion artifacts and controllable thermal management. A nanofabric radiative cooler (NFRC) and miniaturized sensors with a nanomembrane soft electronic platform are integrated to measure stable electrodermal activities and temperature in hot outdoor conditions. The NFRC exhibits outstanding cooling performance in sub‐ambient air with high solar reflectivity and high thermal emissivity. The integrated wearable device with all embedded electronic components and the NFRC shows a lower temperature (41.1%) in sub‐ambient air than the NFRC‐less device while capturing improved operation time (18.2%). In vivo human study of the bioelectronics with agricultural activities demonstrates the device's capability for portable, continuous, real‐time health monitoring of outdoor workers with field deployability.
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ISSN:2192-2640
2192-2659
2192-2659
DOI:10.1002/adhm.202301104