INFLUENCE OF THE PIEZOELECTRIC CONSTITUTIVE AND MECHANICAL DUFFING-TYPE NONLINEARITIES ON VIBRATION-BASED ENERGY HARVESTING

Autores

  • Ana Carolina Cellular COPPE-UFRJ
  • Marcelo Savi

DOI:

https://doi.org/10.26512/ripe.v2i29.21786

Palavras-chave:

Smart Materials. Nonlinear Dynamics. Chaos, Energy Harvesting. Piezoelectricity.

Resumo

Vibration-based energy harvesting has the main objective to convert available environment mechanical energy into electrical energy. Piezoelectric materials are usually employed to promote the mechanical-electrical conversion. This work investigates the influence of nonlinear effects in piezoelectric vibration-based energy harvesting. Mechanical nonlinearities are treated considering Duffing-type mechanical oscillator. Piezoelectric nonlinearities are analyzed assuming quadratic constitutive coupling model. Energy harvesting performance is evaluated for different system characteristics being monitored by the input and the generated power. Numerical simulations are carried out considering different kinds of responses, including periodic and chaotic regimes.

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Referências

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Publicado

2017-02-10

Como Citar

Cellular, A. C., & Savi, M. (2017). INFLUENCE OF THE PIEZOELECTRIC CONSTITUTIVE AND MECHANICAL DUFFING-TYPE NONLINEARITIES ON VIBRATION-BASED ENERGY HARVESTING. Revista Interdisciplinar De Pesquisa Em Engenharia, 2(29), 1–12. https://doi.org/10.26512/ripe.v2i29.21786

Edição

v. 2 n. 29 (2016): SMART MATERIALS AND MULTISCALE MODELING OF MATERIALS AND STRUCTURES

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Artigos

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