New simulation approach for tuneable trapezoidal and rectangular piezoelectric bimorph energy harvesters

Mohammed Salim, Hanim Salleh, Eric Wooi Kee Loh, Mhd Khir, Dhia Salim

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Enhancing and optimizing the power and operating frequency range of energy harvesters (EH) are important objectives in designing an energy harvester generator. The application of trapezoidal shaped piezoelectric (PZT) cantilever is one way of increasing the harvested power of energy harvesters. Finite element software was used to simulate a tuneable trapezoidal and a rectangular PZT bimorph cantilevers with similar specifications. From the new simulation approach, an open circuit voltage obtained for different resonance frequencies for both generators. The simulation results are compared with the experimental and found to be in good agreement. The results have showed an increase in power over 19 % for the trapezoidal generator over the rectangular generator for a frequency range of 38–122 Hz. The trapezoidal harvester produced maximum power of 0.272 mW at resonance frequency of 34 Hz and acceleration of 2.5 m/s2.

Original languageEnglish
Pages (from-to)2097-2106
Number of pages10
JournalMicrosystem Technologies
Volume23
Issue number6
DOIs
Publication statusPublished - 01 Jun 2017

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Harvesters
generators
simulation
frequency ranges
energy
Open circuit voltage
open circuit voltage
specifications
computer programs
Specifications

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Hardware and Architecture
  • Electrical and Electronic Engineering

Cite this

Salim, Mohammed ; Salleh, Hanim ; Loh, Eric Wooi Kee ; Khir, Mhd ; Salim, Dhia. / New simulation approach for tuneable trapezoidal and rectangular piezoelectric bimorph energy harvesters. In: Microsystem Technologies. 2017 ; Vol. 23, No. 6. pp. 2097-2106.
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New simulation approach for tuneable trapezoidal and rectangular piezoelectric bimorph energy harvesters. / Salim, Mohammed; Salleh, Hanim; Loh, Eric Wooi Kee; Khir, Mhd; Salim, Dhia.

In: Microsystem Technologies, Vol. 23, No. 6, 01.06.2017, p. 2097-2106.

Research output: Contribution to journalArticle

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AU - Salleh, Hanim

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