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Proceedings 2017, 1(4), 582; doi:10.3390/proceedings1040582

A MEMS EVEH-Assisted Long-Range RFID Tag System for Applications with Low-Frequency Vibrations

1
Université Paris-Est/ESYCOM, Noisy-le-Grand, France
2
LIP6, UPMC/CNRS, 75252 Paris, France
3
Université Paris-Est/ESYCOM, Champs-sur-Marne, France
Presented at the Eurosensors 2017 Conference, Paris, France, 3–6 September 2017.
*
Author to whom correspondence should be addressed.
Published: 18 August 2017
Download PDF [1551 KB, uploaded 12 October 2017]

Abstract

We report an energy-autonomous Radio Frequency IDentification (RFID) tag system which is powered by an electrostatic MEMS-based Vibration Energy Harvester (e-VEH). The VEH is designed specifically for the vibrations of low frequency around 10 Hz. An energy of 80 nJ/cycle can be delivered when the VEH is loaded with an optimal resistor and a bias of 20 V. An RFID chip is powered by the current released from a 1-μF capacitor, which is charged by the VEH through a diode rectifier. The read range of the tag is increased from 2.5 m (under batteryless mode) to 15 m when powered by the VEH working with an acceleration of 2 grms and 10 Hz. The energy of the VEH stored in the capacitor within 40 s can sustain up to 3 tag readings.
Keywords: low frequency; electrostatic vibration energy harvester; RFID communication tag; energy management circuit; impedance mismatch low frequency; electrostatic vibration energy harvester; RFID communication tag; energy management circuit; impedance mismatch
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lu, Y.; Marty, F.; Galayko, D.; Laheurte, J.-M.; Basset, P. A MEMS EVEH-Assisted Long-Range RFID Tag System for Applications with Low-Frequency Vibrations. Proceedings 2017, 1, 582.

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