An RFID reader with onboard sensing capability for monitoring fruit quality

We report on the development of an RFID reader with onboard micro-machined metal oxide gas sensors aimed at monitoring climacteric fruit during transport and vending. The developed platform integrates a commercial off the shelf inductive coupling RF transceiver in the 13.56 MHz band, fully compliant...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2007-10, Vol.127 (1), p.143-149
Main Authors: Vergara, A., Llobet, E., Ramírez, J.L., Ivanov, P., Fonseca, L., Zampolli, S., Scorzoni, A., Becker, T., Marco, S., Wöllenstein, J.
Format: Article
Language:English
Subjects:
Calibration models
Conservation
Ethyl alcohol
Gas sensors
Metal oxide gas sensors
Monitoring
Onboard
Quantitative gas analysis
Radio frequency identification
Readers
RFID
Sensors
Temperature modulation
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Summary:We report on the development of an RFID reader with onboard micro-machined metal oxide gas sensors aimed at monitoring climacteric fruit during transport and vending. The developed platform integrates a commercial off the shelf inductive coupling RF transceiver in the 13.56 MHz band, fully compliant with the ISO15693 standard, micro-hotplate gas sensors, driving and readout electronics. By operating the sensors at a fixed temperature, we show that the reader could work as an alarm level monitor able to assess the conservation stage of apples. Furthermore, if the sensors are operated under an optimised temperature-modulation mode, we show that accurate calibration models for the species that are relevant to assess the conservation stage of apples (i.e., ethylene, acetaldehyde and ethanol) can be built.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2007.07.107