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Cited by 16Innovative Energy Harvesting TechnologiesAdvanced Sensor and Energy Harvesting MaterialsUltrasonics and Acoustic Wave Propagation

The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Modeling and Characterization of a Curved Piezoelectric Energy Harvester for Smart Paver Tiles

Open access
Kathpalia, Bharat, Tan, David, Stern, Ilan, Valdes, Francisco, Kim, Seonghoon, Erturk, Alper·2017·Procedia Computer Science
DOI 10.1016/j.procs.2017.05.384
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Abstract

: The transformation of vibrations into low-power electricity has received growing attention over the past couple of decades. The goal in this research field is to power wireless sensors and other small electronic components by harvesting ambient mechanical energy. Piezoelectricity is arguably the most popular transduction mechanism for converting mechanical vibrations into electrical energy. As a promising concept of piezoelectric energy conversion, smart paver tiles are proposed to harness human steps for energy harvesting and a wide range of critical sensing applications ranging from security to healthcare. In this work, we explore the use of a curved piezoelectric transducer (specifically a THUNDER® configuration) for smart paver tiles both analytically and experimentally. Following the description of the smart paver tiles developed, an analytical model is developed and closed-form electromechanical frequency response functions are obtained. Experiments are performed for a range of excitation frequencies (1-10 Hz ), electrical load resistance values, and low force levels. It is shown that the first-order electromechanical model successfully represents the governing dynamics.

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Crossref · 10.1016/j.procs.2017.05.384

Cites

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Figures

Fig. 1 Schematic of a smart paver tile showing the location and close-up of the curved piezoelectric energy harvester. The surface electrodes (perpendicular to 3-axis) are shunted to a resistive electrical load (or to a more advanced energy harvesting circuit with AC-DC conversion and voltage regulation). The dynamic mechanical force is applied vertically, i.e. in the thickness direction (parallel to 3-axis).
Fig. 1 Schematic of a smart paver tile showing the location and close-up of the curved piezoelectric energy harvester. The surface electrodes (perpendicular to 3-axis) are shunted to a resistive electrical load (or to a more advanced energy harvesting circuit with AC-DC conversion and voltage regulation). The dynamic mechanical force is applied vertically, i.e. in the thickness direction (parallel to 3-axis).CC-BY-NC-ND · From the PDF
Fig. 2 Experimental setup and close-up views: (a) Shaker; (b) data acquisition hardware; (c) controller; (d) resistance boxes; (e) signal conditioner for the force transducer; (f) stinger; (g) force transducer; (h) acrylic base; and (i) THUNDER ® TH-6R energy harvester.
Fig. 2 Experimental setup and close-up views: (a) Shaker; (b) data acquisition hardware; (c) controller; (d) resistance boxes; (e) signal conditioner for the force transducer; (f) stinger; (g) force transducer; (h) acrylic base; and (i) THUNDER ® TH-6R energy harvester.CC-BY-NC-ND · From the PDF
Fig. 3 (a) Voltage output-to-force input FRFs and (b) power output-to-force input FRFs of the THUNDER ® TH-6R energy harvester for different load resistance values ( l R = 100 kΩ , 250 kΩ , 300 kΩ , 500 kΩ and 750 kΩ ). The experimental data for each load resistance value is shown for 7 different force levels (1-7 N , RMS) to confirm linear behavior.
Fig. 3 (a) Voltage output-to-force input FRFs and (b) power output-to-force input FRFs of the THUNDER ® TH-6R energy harvester for different load resistance values ( l R = 100 kΩ , 250 kΩ , 300 kΩ , 500 kΩ and 750 kΩ ). The experimental data for each load resistance value is shown for 7 different force levels (1-7 N , RMS) to confirm linear behavior.CC-BY-NC-ND · From the PDF
Fig. 4 (a) Voltage output-to-force input FRFs and (b) power output-to-force input FRFs of the THUNDER ® TH-6R energy harvester for different load resistance values ( l R = 100 kΩ , 250 kΩ , 300 kΩ , 500 kΩ and 750 kΩ ). The experimental data for each load resistance value is shown for 7 different force levels (1-7 N , RMS) to confirm linear behavior.
Fig. 4 (a) Voltage output-to-force input FRFs and (b) power output-to-force input FRFs of the THUNDER ® TH-6R energy harvester for different load resistance values ( l R = 100 kΩ , 250 kΩ , 300 kΩ , 500 kΩ and 750 kΩ ). The experimental data for each load resistance value is shown for 7 different force levels (1-7 N , RMS) to confirm linear behavior.CC-BY-NC-ND · From the PDF
Fig. 5 (a) RMS voltage and (b) average power output levels for various RMS force levels at 1 Hz (for 250 kΩ ) and 2 Hz (for 100 kΩ ).
Fig. 5 (a) RMS voltage and (b) average power output levels for various RMS force levels at 1 Hz (for 250 kΩ ) and 2 Hz (for 100 kΩ ).CC-BY-NC-ND · From the PDF

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Citations

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Research works printed but not linked: 1

  1. ANSI/IEEE Standard on Piezoelectricity 176-1987, 1-66 (1984).

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Metadata

Authors
Kathpalia, B., Tan, D., Stern, I., Valdes, F., Kim, S., & Erturk, A.
Affiliations
  • Georgia Institute of Technology (US)
  • Georgia Tech Research Institute (US)
  • Georgia Southern University (US)
ORCID
Venue
Procedia Computer Science
Publisher
Elsevier BV
Published
2017
Volume
109
Pages
1060-1066
ISSN
1877-0509 (ISSN-L)
DOI
10.1016/j.procs.2017.05.384
OpenAlex
W2626056553
Cited by
16
References
5
Citations by year
2025: 3 · 2024: 3 · 2023: 1 · 2022: 4 · 2021: 1 · 2018: 4
FWCI
2.57
Type
conference paper
Language
en
Open access
Licence
Locations
Procedia Computer Science (publishedVersion, cc-by-nc-nd)
Funders
  • National Aeronautics and Space Administration
  • Wells Fargo
  • Research Institute, Georgia Institute of Technology
  • Georgia Institute of Technology
  • Kennedy Space Center
Topics
  • Physical Sciences › Engineering › Mechanical Engineering › Innovative Energy Harvesting Technologies
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Mechanics of Materials › Ultrasonics and Acoustic Wave Propagation
Keywords
piezoelectric energy harvesting, electromechanical modeling, frequency response function, wireless sensor power supply

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