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Analytical method for selecting a rectification technique for a piezoelectric generator based on admittance measurement

 
: Mateu, L.; Zessin, H.; Spies, P.

:

Beeby, S.:
PowerMEMS 2013, 13th International Conference on Micro- and Nano-Technology for Power Generation and Energy Conversion Applications. Conference Proceedings : London, 3rd - 6th December 2013
London: IOP, 2013 (Journal of physics. Conference series 476.2013)
Art. 012111, 6 pp.
International Conference on Micro- and Nano-Technology for Power Generation and Energy Conversion Applications (PowerMEMS) <13, 2013, London>
English
Conference Paper, Journal Article
Fraunhofer IIS ()

Abstract
AC-DC converters employed for harvesting power from piezoelectric transducers can be divided into linear (i.e. diode bridge) and non-linear (i.e. synchronized switch harvesting on inductor, SSHI). This paper presents an analytical technique based on the measurement of the impedance circle of the piezoelectric element to determine whether either diode bridge or SSHI converter harvests more of the available power at the piezoelectric element.

: http://publica.fraunhofer.de/documents/N-294394.html