Energy harvesting assessment with a coupled full car and piezoelectric model

Yuri L.A. Morangueira and José Carlos de C. Pereira

Energy, 2020, vol. 210, issue C

Abstract: Energy recovery from induced mechanical vibration in vehicle suspension based on piezoelectric harvesting and electromagnetic harvesting has been recently investigated by researchers. Piezoelectric vibration energy harvesting is a new technology that has been investigated for automotive applications due to the amount of wasted vibration from suspension systems. In this study, comprehensive simulations were conducted in order to investigate piezoelectric crystal application to vehicle suspension systems for the potential of harvested power quantification. For this purpose, a linear finite element of a piezoelectric disk was developed and integrated in the spring shock absorber assembling of a 7-DOF full car dynamic model. Equations of motion of these dynamic systems in the time domain were solved in the MATLAB® environment, where the road irregularities are introduced in the model, considering the Roll-pitch-bounce input mode. The RMS electric power responses for BaTiO3, PbTiO3, PbZrTiO3, PZT-5A and PZT-5H piezoelectric crystals were experimented and obtained in the context of energy harvesting. The energy density achieved in this study compared with the experimental results from the literature indicates the potential of the recovered power from the wasted vibration from suspension systems that could be used on embedded electronic devices

Keywords: Harvesting energy; Suspension systems; Full car model; Linear piezoelectric model; Energy density (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:210:y:2020:i:c:s036054422031776x

DOI: 10.1016/j.energy.2020.118668

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