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Open AccessProceedings

Evaluation of MOX Sensor Characteristics in Ultra-Low Power Operation Modes: Application to a Semi-Passive RFID Tag for Food Logistics

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Departament d’Enginyeries: Electrònica, Universitat de Barcelona, C/Martí i Franquès 1, E-08028 Barcelona, Spain
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Signal and Information Processing for Sensing Systems, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028 Barcelona, Spain
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Dipartimento di Ingegneria Elettronica e dell’Informazione, Università di Perugia, via Duranti 93, 06125 Perugia, Italy
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CNR Institute for Microelectronics and Microsystems, Bologna, Via P. Gobetti 101, 40129 Bologna, Italy
*
Author to whom correspondence should be addressed.
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
Proceedings 2017, 1(4), 459; https://doi.org/10.3390/proceedings1040459
Published: 8 August 2017
(This article belongs to the Proceedings of Proceedings of Eurosensors 2017, Paris, France, 3–6 September 2017)
Most of the battery powered systems with integrated sensors need low power consumption modes to enlarge the operation time. In the case of the fruit logistic chain, the fruit quality may be controlled by the detection of some gases as ethylene, acetaldehyde and ammonia, that are related to maturation, oxygen stress and refrigeration leakage. We report the integration of an ultra-low power (ULP) metal oxide (MOX) sensor array inside a Radio Frequency IDentification (RFID) 13.56 MHz ISO/IEC 15693 compliant tag with temperature, humidity and light sensors and data logging capabilities. Pulsed Temperature Operation (PTO), which consists in switching on and off the sensor heater, was used to reduce power consumption more than three orders of magnitude, from 14 mW down to 7 μW. The sensor behavior was characterized in terms sensitivity for ammonia.
Keywords: RFID; battery powered systems; food quality; Ultra-low-power MOX sensors; power consumption reduction; logistics RFID; battery powered systems; food quality; Ultra-low-power MOX sensors; power consumption reduction; logistics
MDPI and ACS Style

Palacio, F.; Gómez, J.M.; Burgués, J.; Pruna, R.; López, M.; Scorzoni, A.; Zampolli, S.; Marco, S. Evaluation of MOX Sensor Characteristics in Ultra-Low Power Operation Modes: Application to a Semi-Passive RFID Tag for Food Logistics. Proceedings 2017, 1, 459.

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