Ziai, M. Ali, Batchelor, John C. (2014) Multi-State Logging Freeze Detection Passive RFID Tags. IEEE Transactions on Antennas and Propagation, 62 (12). pp. 6406-6411. ISSN 0018-926X. E-ISSN 1558-2221. (doi:10.1109/TAP.2014.2359474) (KAR id:43358)
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Official URL http://dx.doi.org/10.1109/TAP.2014.2359474 |
Abstract
In this work the design and measurement of a passive UHF RFID smart tag suitable for monitoring and recording critical temperature violations in cold chain management are presented. The tag uses moving parts to detect and log different temperate states without the requirement for transceivers, memory and batteries. A simple mechanical method is proposed whereby a moving metallic plate is trapped in one of 4 possible positions by specific environmental temperatures whereby inducing a permanent state based change in the passive RFID tag response. The latched product critical temperature violations can be monitored via the read power required to turn on the tag transponder chip which differs in each state.
Item Type: | Article |
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DOI/Identification number: | 10.1109/TAP.2014.2359474 |
Uncontrolled keywords: | Radiofrequency identification, RFID tags, Mechanical sensors, Temperature sensors |
Subjects: |
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7871.6 Antennas and waveguides > TK7871.67.M53 Microwave antennas T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7876 Microwaves |
Divisions: | Faculties > Sciences > School of Engineering and Digital Arts > Broadband & Wireless Communications |
Depositing User: | John Batchelor |
Date Deposited: | 13 Oct 2014 16:33 UTC |
Last Modified: | 31 Jan 2020 09:53 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/43358 (The current URI for this page, for reference purposes) |
Batchelor, John C.: | ![]() |
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