Analysis of a mechanically and electrically nonlinear and non-ideal piezoelectric energy harvester with a coupled finite element-electronic circuit simulator method

Andreas Hegendörfer; Julia Mergheim

doi:10.1117/12.2656828

28 April 2023 Analysis of a mechanically and electrically nonlinear and non-ideal piezoelectric energy harvester with a coupled finite element-electronic circuit simulator method

Andreas Hegendörfer, Julia Mergheim

Author Affiliations +

Proceedings Volume PC12483, Active and Passive Smart Structures and Integrated Systems XVII; PC124830H (2023) https://doi.org/10.1117/12.2656828
Event: SPIE Smart Structures + Nondestructive Evaluation, 2023, Long Beach, California, United States

Abstract

A piezoelectric energy harvester (PEH) consists of an electromechanical structure and an electric circuit that influence each other. An implicit coupling between a finite element simulation of the electromechanical structure and an electronic circuit simulator, recently introduced by the authors, is applied to the analysis of a PEH. The PEH is equipped with a self-powered electric circuit and the nonlinear and non-ideal behavior of its transistors and diodes and the nonlinear material behavior of the electromechanical structure are considered in the simulations. Harmonic and shock-like base excitations are applied and the behavior of the PEH is carefully analyzed.

Conference Presentation

Citation Download Citation

Andreas Hegendörfer and Julia Mergheim "Analysis of a mechanically and electrically nonlinear and non-ideal piezoelectric energy harvester with a coupled finite element-electronic circuit simulator method", Proc. SPIE PC12483, Active and Passive Smart Structures and Integrated Systems XVII, PC124830H (28 April 2023); https://doi.org/10.1117/12.2656828

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