Energy harvesting using a piezoelectric "cymbal" transducer in dynamic environment

Hyeoung Woo Kim, Amit Batra, Shashank Priya, Kenji Uchino, Douglas Markley, Robert E. Newnham, Heath F. Hofmann

Research output: Contribution to journalArticle

236 Citations (Scopus)

Abstract

In this study, we investigated the capability of harvesting the electrical energy from mechanical vibrations in a dynamic environment through a "cymbal" piezoelectric transducer. Targeted mechanical vibrations lie in the range of 50-150 Hz with force amplitude in the order of 1 kN (automobile engine vibration level). It was found that under such severe stress conditions the metal-ceramic composite transducer "cymbal" is a promising structure. The metal cap enhances the endurance of the ceramic to sustain high loads along with stress amplification. In this preliminary study, the experiments were performed at the frequency of 100 Hz on a cymbal with 29 mm diameter and 1 mm thickness under a force of 7.8 N. At this frequency and force level, 39 mW power was generated from a cymbal measured across a 400 kΩ resistor. A DC-DC converter was designed which allowed the transfer of 30 mW power to a low impedance load of 5 kΩ with a 2% duty cycle and at a switching frequency of 1 kHz.

Original languageEnglish (US)
Pages (from-to)6178-6183
Number of pages6
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume43
Issue number9 A
DOIs
StatePublished - Sep 1 2004

Fingerprint

Piezoelectric transducers
Energy harvesting
piezoelectric transducers
Automobile engines
vibration
Cermets
Switching frequency
DC-DC converters
automobile engines
direct current
Resistors
Amplification
cermets
Transducers
Loads (forces)
Durability
endurance
electric power
caps
resistors

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Kim, Hyeoung Woo ; Batra, Amit ; Priya, Shashank ; Uchino, Kenji ; Markley, Douglas ; Newnham, Robert E. ; Hofmann, Heath F. / Energy harvesting using a piezoelectric "cymbal" transducer in dynamic environment. In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 2004 ; Vol. 43, No. 9 A. pp. 6178-6183.
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Energy harvesting using a piezoelectric "cymbal" transducer in dynamic environment. / Kim, Hyeoung Woo; Batra, Amit; Priya, Shashank; Uchino, Kenji; Markley, Douglas; Newnham, Robert E.; Hofmann, Heath F.

In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 43, No. 9 A, 01.09.2004, p. 6178-6183.

Research output: Contribution to journalArticle

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