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Research Papers

Energy Harvesting of Piezoelectric Stack Actuator From a Shock Event

[+] Author and Article Information
Andrew J. Lee

Aerospace Engineering Department,
University of Michigan,
1320 Beal Avenue,
Ann Arbor, MI 48109
e-mail: ajle@umich.edu

Ya Wang

Mechanical Engineering Department,
State University of New York at Stony Brook,
153 Light Engineering,
Stony Brook, NY 11794-2300
e-mail: ya.s.wang@stonybrook.edu

Daniel J. Inman

Aerospace Engineering Department,
University of Michigan,
1320 Beal Avenue,
Ann Arbor, MI 48109
e-mail: daninman@umich.edu

1Corresponding author.

Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received May 23, 2013; final manuscript received October 3, 2013; published online November 19, 2013. Assoc. Editor: Brian P. Mann.

J. Vib. Acoust 136(1), 011016 (Nov 19, 2013) (7 pages) Paper No: VIB-13-1177; doi: 10.1115/1.4025878 History: Received May 23, 2013; Revised October 03, 2013

The energy harvesting performance of a piezoelectric stack actuator under a shock event is theoretically and experimentally investigated. The first method is derived from the single degree of freedom constitutive equations, and then a correction factor is applied onto the resulting electromechanically coupled equations of motion. The second approach is deriving the coupled equations of motion with Hamilton's principle and the constitutive equations, and then formulating it with the finite element method. Two experimental cases matched well with the model predictions where the percent errors were 3.90% and 3.26% for the SDOF analysis and 1.52% and 1.42% for the FEM.

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References

Figures

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Fig. 2

Impulse load applied on SCMAP09-H100 PZT stack

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Fig. 1

(a) Photograph of experimental setup; (b) schematic diagram of experimental setup

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Fig. 4

Analytical and experimental power output for SCMAP09-H100 PZT stack

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Fig. 5

Impulse load applied on NAC2013-H26 PZT stack

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Fig. 3

Analytical and experimental voltage output for SCMAP09-H100 PZT stack

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Fig. 6

Analytical and experimental voltage output for NAC2013-H26 PZT stack

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Fig. 7

Analytical and experimental power output for NAC2013-H26 PZT stack

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