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A conceptual study on the dynamics of a piezoelectric MEMS (Micro Electro Mechanical System) energy harvester

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  • Azizi, Saber
  • Ghodsi, Ali
  • Jafari, Hamid
  • Ghazavi, Mohammad Reza

Abstract

The mechanical behavior of a bimorph piezoelectric micro cantilever exposed to harmonic base excitation is investigated. The governing motion equation coupled with the equation of the output electrical circuit is discretized using Galerkin method and numerically integrated over the time. Two different types of output circuits including parallel and series connections are examined and the most effective output circuit from the power delivery point of view on the domain of the governing parameters is introduced. The energy conservation is examined by comparing the input and harvested energies. It is concluded that the energy harvesting in the absence of mechanical damping resembles the behavior of a damped mechanical oscillator due to the exponential attenuation of the motion amplitude. It is shown that the output power in terms of the load resistance of the output circuit, exhibits Lorenzian behavior revealing the multi factorial dependency of the power on the governing parameters. The effect of load resistance and the effective piezoelectric stress constant on the equivalent damping ratio is investigated. Subjected to harmonic base excitation, the steady state voltage, current and power responses are presented. The results are presented for various piezoelectric materials and on the plane of load resistance and effective piezoelectric stress constant, the output power delivery as well as the equivalent non-dimensional damping coefficient is determined.

Suggested Citation

  • Azizi, Saber & Ghodsi, Ali & Jafari, Hamid & Ghazavi, Mohammad Reza, 2016. "A conceptual study on the dynamics of a piezoelectric MEMS (Micro Electro Mechanical System) energy harvester," Energy, Elsevier, vol. 96(C), pages 495-506.
    • Handle: RePEc:eee:energy:v:96:y:2016:i:c:p:495-506
    DOI: 10.1016/j.energy.2015.12.014
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    References listed on IDEAS

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    1. Mohammadi, Saber & Esfandiari, Aboozar, 2015. "Magnetostrictive vibration energy harvesting using strain energy method," Energy, Elsevier, vol. 81(C), pages 519-525.
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    Cited by:

    1. Ghavami, Mahyar & Azizi, Saber & Ghazavi, Mohammad Reza, 2018. "On the dynamics of a capacitive electret-based micro-cantilever for energy harvesting," Energy, Elsevier, vol. 153(C), pages 967-976.
    2. Turkmen, Anil Can & Celik, Cenk, 2018. "Energy harvesting with the piezoelectric material integrated shoe," Energy, Elsevier, vol. 150(C), pages 556-564.
    3. Wang, K.F. & Wang, B.L., 2018. "Energy gathering performance of micro/nanoscale circular energy harvesters based on flexoelectric effect," Energy, Elsevier, vol. 149(C), pages 597-606.
    4. Madinei, H. & Haddad Khodaparast, H. & Friswell, M.I. & Adhikari, S., 2018. "Minimising the effects of manufacturing uncertainties in MEMS Energy harvesters," Energy, Elsevier, vol. 149(C), pages 990-999.
    5. Yang, Feng & Du, Lin & Chen, Weigen & Li, Jian & Wang, Youyuan & Wang, Disheng, 2017. "Hybrid energy harvesting for condition monitoring sensors in power grids," Energy, Elsevier, vol. 118(C), pages 435-445.
    6. Hao, Guannan & Dong, Xiangwei & Li, Zengliang, 2021. "A novel piezoelectric structure for harvesting energy from water droplet: Theoretical and experimental studies," Energy, Elsevier, vol. 232(C).
    7. Rojas, E.F. & Faroughi, S. & Abdelkefi, A. & Park, Y.H., 2021. "Investigations on the performance of piezoelectric-flexoelectric energy harvesters," Applied Energy, Elsevier, vol. 288(C).
    8. Kan, Junwu & Fu, Jiawei & Wang, Shuyun & Zhang, Zhonghua & Chen, Song & Yang, Can, 2017. "Study on a piezo-disk energy harvester excited by rotary magnets," Energy, Elsevier, vol. 122(C), pages 62-69.
    9. Hassen M. Ouakad, 2023. "Vibration-Based Energy Harvesters: New Ways to Scavenge Energy," Energies, MDPI, vol. 16(13), pages 1-3, June.
    10. Alluri, Nagamalleswara Rao & Selvarajan, Sophia & Chandrasekhar, Arunkumar & Saravanakumar, Balasubramaniam & Lee, Gae Myoung & Jeong, Ji Hyun & Kim, Sang-Jae, 2017. "Worm structure piezoelectric energy harvester using ionotropic gelation of barium titanate-calcium alginate composite," Energy, Elsevier, vol. 118(C), pages 1146-1155.
    11. Banerjee, Shreya & Roy, Sitikantha, 2018. "A dimensionally reduced order piezoelectric energy harvester model," Energy, Elsevier, vol. 148(C), pages 112-122.
    12. Wang, Shuyun & Yang, Zemeng & Kan, Junwu & Chen, Song & Chai, Chaohui & Zhang, Zhonghua, 2021. "Design and characterization of an amplitude-limiting rotational piezoelectric energy harvester excited by a radially dragged magnetic force," Renewable Energy, Elsevier, vol. 177(C), pages 1382-1393.
    13. Jafari, Hamid & Ghodsi, Ali & Azizi, Saber & Ghazavi, Mohammad Reza, 2017. "Energy harvesting based on magnetostriction, for low frequency excitations," Energy, Elsevier, vol. 124(C), pages 1-8.
    14. Emmanuel Mbondo Binyet & Jen-Yuan Chang & Chih-Yung Huang, 2020. "Flexible Plate in the Wake of a Square Cylinder for Piezoelectric Energy Harvesting—Parametric Study Using Fluid–Structure Interaction Modeling," Energies, MDPI, vol. 13(10), pages 1-29, May.
    15. Qi, Lu, 2019. "Energy harvesting properties of the functionally graded flexoelectric microbeam energy harvesters," Energy, Elsevier, vol. 171(C), pages 721-730.

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