Nonlinearities in electrostatic vibration energy harvesters: A review using the example of a charge pump conditioning circuit

Abstract : In this paper, we overview the sources of nonlinearities and the methods of analysis for electrostatic (capacitive) vibration energy harvesters by the example of an energy harvester employing a charge pump base conditioning circuit. Electrostatic vibration energy harvesters are devices that contain mechanical resonators driven by ambient vibrations and coupled with conditioning electronic circuits through a capacitive transducer. These devices are characterised by internal and external nonlinearity and complexity and can display irregular behaviour. We give an overview of the capacitive conversion mechanisms and discuss the nonlinear techniques that can be employed for the analysis of nonlinear vibration energy harvesters.
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Submitted on : Saturday, May 13, 2017 - 11:02:38 AM
Last modification on : Thursday, March 21, 2019 - 2:34:14 PM

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Elena Blokhina, Eoghan O'Riordan, Orla Feely, Dimitri Galayko. Nonlinearities in electrostatic vibration energy harvesters: A review using the example of a charge pump conditioning circuit. Circuits and Systems (ISCAS), 2014 IEEE International Symposium on, Jun 2014, Melbourne VIC, Australia. ⟨10.1109/ISCAS.2014.6865706⟩. ⟨hal-01522174⟩

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