Electronic device and method for controlling an electric energy converter comprising a piezoelectric element, related electronic system for electric energy conversion

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United States of America Patent

PATENT NO 12034362
APP PUB NO 20220345037A1
SERIAL NO

17659232

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Abstract

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An electronic control device for controlling a converter that comprises a piezoelectric element and a plurality of switches which are commanded to alternate phases, respectively at substantially constant voltage, and substantially constant charge, across the terminals of said piezoelectric element, the control device comprising:

    a measurement module for measuring a period of a resonance cycle of the piezoelectric element;an event detection module for detecting a characteristic event belonging to a current resonance cycle;a command module for commanding the switching of the switches;a computation module for computing at least three subsequent switching time instants during at least one subsequent resonance cycle, which is posterior to the current resonance cycle, each subsequent switching time instant being computed based on a respective characteristic event; andthe command module being configured to command the switching of the respective switch at each of the subsequent time instants computed.

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Patent Owner(s)

Patent OwnerAddress
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES25 RUE LEBLANC 75015 PARIS 75015

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Despesse, Ghislain Grenoble, FR 80 597
Morel, Adrien Grenoble, FR 9 11
Pillonnet, Gaël Grenoble, FR 29 62
Touhami, Mustapha Grenoble, FR 5 0

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