Self-Capacitance Sensor for Smart Diaper

The significant socio-economic impacts of low birth rates and aging populations have increasingly strained healthcare resources. Enhancing the capacity of limited caregiving personnel is now essential, and Information communication technology (ICT) offers a promising solution. This study demonstrate...

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Main Authors: Jiun-Hung Lin, Chun-Hao Lu, Shih-Tsang Tang
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/10855422/
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author Jiun-Hung Lin
Chun-Hao Lu
Shih-Tsang Tang
author_facet Jiun-Hung Lin
Chun-Hao Lu
Shih-Tsang Tang
author_sort Jiun-Hung Lin
collection DOAJ
description The significant socio-economic impacts of low birth rates and aging populations have increasingly strained healthcare resources. Enhancing the capacity of limited caregiving personnel is now essential, and Information communication technology (ICT) offers a promising solution. This study demonstrates the application of ICT in healthcare by developing a smart diaper sensor. A uni-electrode self-capacitance sensor was implemented to measure moisture levels in diapers by detecting changes in capacitance in response to urine. Integrated with an IoT system, this setup enables real-time monitoring, remote alerts, and data analysis. A prototype sensor was externally attached to standard diapers, ensuring easy use and maintaining hygiene without direct contact. Experimental tests confirmed the high sensitivity and accuracy of the sensor, with a significant increase in the moisture indicator value even with as little as 1 ml of urine. The device demonstrated stable, reproducible results, with a coefficient variation of 0.059%, validating its effectiveness for detecting diaper wetness. The IoT integration allowed seamless data transmission and analysis, providing caregivers with timely alerts and care tracking. The proposed solution represents a significant advancement in sustainable diaper technology, leveraging IoT and capacitive sensing to enhance healthcare management for both elderly and infant care. This technology addresses essential needs in healthcare settings by improving caregiving efficiency and reducing workload.
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spelling doaj-art-7c7980348b98471bb79032241d5efc212025-02-07T00:01:16ZengIEEEIEEE Access2169-35362025-01-0113229892299710.1109/ACCESS.2025.353514410855422Self-Capacitance Sensor for Smart DiaperJiun-Hung Lin0Chun-Hao Lu1Shih-Tsang Tang2https://orcid.org/0000-0003-3217-0672Department of Electronic Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, TaiwanASTEK Technology Ltd., Tainan, TaiwanDepartment of Biomedical Engineering, Ming Chuang University, Taoyuan, TaiwanThe significant socio-economic impacts of low birth rates and aging populations have increasingly strained healthcare resources. Enhancing the capacity of limited caregiving personnel is now essential, and Information communication technology (ICT) offers a promising solution. This study demonstrates the application of ICT in healthcare by developing a smart diaper sensor. A uni-electrode self-capacitance sensor was implemented to measure moisture levels in diapers by detecting changes in capacitance in response to urine. Integrated with an IoT system, this setup enables real-time monitoring, remote alerts, and data analysis. A prototype sensor was externally attached to standard diapers, ensuring easy use and maintaining hygiene without direct contact. Experimental tests confirmed the high sensitivity and accuracy of the sensor, with a significant increase in the moisture indicator value even with as little as 1 ml of urine. The device demonstrated stable, reproducible results, with a coefficient variation of 0.059%, validating its effectiveness for detecting diaper wetness. The IoT integration allowed seamless data transmission and analysis, providing caregivers with timely alerts and care tracking. The proposed solution represents a significant advancement in sustainable diaper technology, leveraging IoT and capacitive sensing to enhance healthcare management for both elderly and infant care. This technology addresses essential needs in healthcare settings by improving caregiving efficiency and reducing workload.https://ieeexplore.ieee.org/document/10855422/Smart diaperIoTelderly careinfant carecapacitive sensor
spellingShingle Jiun-Hung Lin
Chun-Hao Lu
Shih-Tsang Tang
Self-Capacitance Sensor for Smart Diaper
IEEE Access
Smart diaper
IoT
elderly care
infant care
capacitive sensor
title Self-Capacitance Sensor for Smart Diaper
title_full Self-Capacitance Sensor for Smart Diaper
title_fullStr Self-Capacitance Sensor for Smart Diaper
title_full_unstemmed Self-Capacitance Sensor for Smart Diaper
title_short Self-Capacitance Sensor for Smart Diaper
title_sort self capacitance sensor for smart diaper
topic Smart diaper
IoT
elderly care
infant care
capacitive sensor
url https://ieeexplore.ieee.org/document/10855422/
work_keys_str_mv AT jiunhunglin selfcapacitancesensorforsmartdiaper
AT chunhaolu selfcapacitancesensorforsmartdiaper
AT shihtsangtang selfcapacitancesensorforsmartdiaper