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Smart radio-frequency identification tag for diaper moisture detection

Ziai, Mohamed A., Batchelor, John C. (2015) Smart radio-frequency identification tag for diaper moisture detection. IET Healthcare Technology Letters, 2 (1). pp. 18-21. ISSN 2053-3713. E-ISSN 2053-3713. (doi:10.1049/htl.2014.0098) (KAR id:47809)


A passive smart tag is described that responds to dampness in diapers once a pre-defined threshold value is reached. A high-frequency (HF) system at 13.56 MHz is used as this allows operation through water or human tissues with less absorption that would occur for an ultra-HF signal. A circular spiral coil and swelling substrate facilitate a reaction to dampness that can be detected without contact to the diaper wearer. A prototype design is simulated and measured results are provided together with a demonstration of a tag integrated into a worn diaper.

Item Type: Article
DOI/Identification number: 10.1049/htl.2014.0098
Uncontrolled keywords: biomedical equipment; skin; coils; radiofrequency identification; body sensor networks; intelligent sensors; moisture measurement; swelling substrate; water; frequency 13.56 MHz; smart radiofrequency identification tag; circular spiral coil; passive smart tag; human tissues; high-frequency system; diaper moisture detection; diaper dampness; ultra HF signal; prototype design; predefined threshold value; Humidity measurement; Biomedical communication; RFID systems; Wireless sensor networks; Sensing and detecting devices; Intelligent sensors; Biomedical measurement and imaging; Patient diagnostic methods and instrumentation
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7871.6 Antennas and waveguides
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Funders: Organisations -1 not found.
Depositing User: John Batchelor
Date Deposited: 28 Mar 2015 17:02 UTC
Last Modified: 09 Dec 2022 04:32 UTC
Resource URI: (The current URI for this page, for reference purposes)

University of Kent Author Information

Ziai, Mohamed A..

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Batchelor, John C..

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