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Energy Harvesting in a System with a Two-Stage Flexible Cantilever Beam - MaRDI portal

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Energy Harvesting in a System with a Two-Stage Flexible Cantilever Beam

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DOI10.5281/zenodo.10509103Zenodo10509103MaRDI QIDQ6719982

Dataset published at Zenodo repository.

Author name not available (Why is that?)

Publication date: 14 January 2024

Copyright license: No records found.



Description

The subject of the research contained in this repository is a new design solution for an energy harvesting system resulting from the combination of a quasi-zero-stiffness energy harvester and a two-stage flexible cantilever beam. Numerical tests were divided into two main parts-analysis of the dynamics of the system due to periodic, quasiperiodic, and chaotic solutions and the efficiency of energy generation. The results of numerical simulations were limited to zero initial conditions, as they are the natural position of the static equilibrium. The repository compares graphically the energy efficiency for the selected range of the dimensionless excitation frequency. For this purpose, three cases of piezoelectric mounting were presented on figures - only on the first stage of the beam, on the second and both stages. The analysis has been carried out with the use of diagrams showing difference of the effective values of the voltage induced on the piezoelectric electrodes. The results indicate that for effective energy harvesting, it is advisable to attach piezoelectric energy transducers to each step of the beam despite possible asynchronous vibrations.






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