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Study of a Piezoelectric Energy Harvesting Floor Structure with Force Amplification Mechanism

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  • Ming He

    (Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen 361005, China)

  • Sheng Wang

    (Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen 361005, China)

  • Xiang Zhong

    (Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen 361005, China)

  • Mingjie Guan

    (Department of Instrumental and Electrical Engineering, Xiamen University, Xiamen 361005, China)

Abstract

This paper proposes a novel energy harvesting floor structure using piezoelectric elements for converting energy from human steps into electricity. The piezoelectric energy harvesting structure was constructed by a force amplification mechanism and a double-layer squeezing structure in which piezoelectric beams were deployed. The generated electrical voltage and output power were investigated in practical conditions under different strokes and step frequencies. The maximum peak-to-peak voltage was found to be 51.2 V at a stroke of 5 mm and a step frequency of 1.81 Hz. In addition, the corresponding output power for a single piezoelectric beam was tested to be 134.2 μW, demonstrating the potential of harvesting energy from the pedestrians for powering low-power electronic devices.

Suggested Citation

  • Ming He & Sheng Wang & Xiang Zhong & Mingjie Guan, 2019. "Study of a Piezoelectric Energy Harvesting Floor Structure with Force Amplification Mechanism," Energies, MDPI, vol. 12(18), pages 1-10, September.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:18:p:3516-:d:266699
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    References listed on IDEAS

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    Cited by:

    1. Mahmoud Wagih & Abiodun Komolafe & Bahareh Zaghari, 2020. "Separation-Independent Wearable 6.78 MHz Near-Field Radiative Wireless Power Transfer using Electrically Small Embroidered Textile Coils," Energies, MDPI, vol. 13(3), pages 1-14, January.

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