Autors: Cepenas, M., Peng, B., Andriukaitis, D., Ravikumar, C., Markevicius, V., Dubauskiene, N., Navikas, D., Valinevicius, A., Zilys, M., Merfeldas, A., Hinov, N. L.
Title: Research of pvdf energy harvester cantilever parameters for experimental model realization
Keywords: pvdf energy harvester, experimental model, COMSOL Multiphysi

Abstract: Piezoelectric energy harvesters have been extensively researched for use with wireless sensors or low power consumption electronic devices. Most of the piezoelectric energy harvesters cannot generate enough power for potential applications. In this study, we explore the parameters, including gap and proof mass, that can affect the damping of the cantilever to optimize the design of the energy harvester. A finite analysis is conducted using COMSOL Multiphysics software. Usually, this type of simulation is performed using the loss factor. However, it is known that results from the loss factor produce models that do not fit the experimental data well. In fact, the result of output voltage using the loss factor is 50% higher than the real value, which is due to ignoring the adverse effect of a superimposing mechanical damping of different constituent materials. In order to build a true model, Rayleigh damping coefficients are measured to use in a simulation.

References

    Issue

    Electronics (Switzerland), pp. 1-14, 2020, Switzerland, MDPI, Basel, Switzerland, DOI 10.3390/electronics9122030

    Copyright MDPI, Basel, Switzerland

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    Вид: статия в списание, публикация в издание с импакт фактор, публикация в реферирано издание, индексирана в Scopus и Web of Science