Abstract
Real-time supply chain management, theft prevention, and environmental monitoring motivate the need for RFID systems. Battery-assisted RFID tags increase read range and reliability; however, batteries offer only a finite lifetime solution. Hence, an experiment in powering a battery-assisted passive RFID tag using ambient vibration energy was conducted. A piezoelectric power generator was designed at a resonant frequency of 52 Hertz, with potential power output of 500 μW. Manipulation of the electric signal from the generator through a power circuit produced 8mW pulses to the tag, resulting in successful communication with the reader. Power needs were compared to an earlier experiment in powering a Mica2Dot “Mote” showing a 88% decrease in necessary power supply and 90% decrease in charge time.
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© 2005 Springer-Verlag Berlin Heidelberg
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Lai, E., Redfern, A., Wright, P. (2005). Vibration Powered Battery-Assisted Passive RFID Tag. In: Enokido, T., Yan, L., Xiao, B., Kim, D., Dai, Y., Yang, L.T. (eds) Embedded and Ubiquitous Computing – EUC 2005 Workshops. EUC 2005. Lecture Notes in Computer Science, vol 3823. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11596042_108
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DOI: https://doi.org/10.1007/11596042_108
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-30803-4
Online ISBN: 978-3-540-32296-2
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