Journal
IEEE SENSORS JOURNAL
Volume 21, Issue 11, Pages 12926-12939Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2021.3053338
Keywords
Mathematical model; Integrated circuit modeling; Numerical models; Iron; Electrodes; Couplings; Vibrations; Modeling; piezoelectricity; energy harvesting; power electronics; simulation; finite element method
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The article provides an overview of different modeling strategies and simulation approaches for piezoelectric vibration energy harvesters, as well as an example of an EEN controlled by electrode voltage. This technique offers advantages over uncontrolled methods.
We present an overview of different modeling strategies for piezoelectric vibration energy harvesters. We point out different strength and weaknesses of common models for the electromechanical structure. Furthermore, simulation approaches for a combined simulation of the piezoelectric structure and energy extraction networks (EENs) are discussed and their basic implementations are described. We present an example of such an EEN that is controlled by the voltage of a separate electrode on the harvesting structure. Advantages of this technique over uncontrolled approaches are discussed.
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