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Communication Dans Un Congrès Année : 2019

A self-powered integrated solution for frequency tuning of piezoelectric energy harvesters

Résumé

This paper presents the integrated design of a tunable interface for wideband energy harvesting, the Short-Circuit Synchronous Electric Charges Extraction (SC-SECE). By tuning both the phase of the energy harvesting event, PhiS , and the angular duration of the short-circuit phase, DeltaPhi, this interface maximizes both the harvested energy while tuning the dynamics of the energy harvester. The proposed ASIC is self-powered, includes a cold start, and only consumes less than 1uW, which is a very small percentage of the harvested energy. It includes as well a low-power (24nw) gradient algorithm which controls the value of (PhiS,DeltaPhi) and tries to maximizes the harvested power for any vibration's frequency and amplitude.
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Dates et versions

hal-03198007 , version 1 (14-04-2021)

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  • HAL Id : hal-03198007 , version 1

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Adrien Morel, Anthony Quelen, David Gibus, Gaël Pillonnet, Adrien Badel. A self-powered integrated solution for frequency tuning of piezoelectric energy harvesters. 9th National Days on Energy Harvesting and Storage (JNRSE) 2019, May 2019, Blois, France. ⟨hal-03198007⟩
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