Parameter optimization of a vibration-based energy harvester with an rl electric circuit

Jamil M. Renno, Mohammed Daqaq, Justin R. Farmer, Daniel J. Inman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

An alternative circuit to improve the performance of a vibration-based energy harvester is proposed. The harvesting device considered consists of a piezoceramic element operating in the {33} direction. In normal operating conditions, piezoceramics experience small deflection and hence the small signal linear constitutive law of piezoelectricity is adopted for the scope of this work. Typically, vibration-based energy harvesters are designed to operate at the resonance or antiresonance frequencies. This condition might be tolerable in many cases, but is often difficult to realize in real-life applications. In this work, the authors propose adding an inductor to the harvesting circuit. It is shown that the addition of this simple electric element modifies the performance remarkably in a qualitative and quantitative manner. The maximum power values obtained at the resonance and antiresonance frequencies can be achieved at any frequency ratio if optimal electric elements are used. This allows for harvesting a constant optimal power everywhere in the frequency domain. Further investigation reveals the existence of a singularity at low damping ratios (below a bifurcation damping ratio). In that case, the optimization scheme yields a negative value for the optimal inductance between the resonance and antiresonance frequencies. However, this singularity is not experienced at a high damping ratio (beyond a bifurcation damping ratio). Moreover, for high damping ratios, it is shown that the proposed circuit is superior to a circuit that does not deploy an inductor.

Original languageEnglish (US)
Title of host publication2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007
Pages787-794
Number of pages8
Volume1 PART B
DOIs
StatePublished - Jun 17 2008
Event21st Biennial Conference on Mechanical Vibration and Noise, presented at - 2007 ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2007 - Las Vegas, NV, United States
Duration: Sep 4 2007Sep 7 2007

Other

Other21st Biennial Conference on Mechanical Vibration and Noise, presented at - 2007 ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2007
CountryUnited States
CityLas Vegas, NV
Period9/4/079/7/07

Fingerprint

Harvesters
Parameter Optimization
Vibration
Damping
Networks (circuits)
Harvesting
Energy
Piezoceramics
Bifurcation
Piezoelectricity
Singularity
Optimal Constants
Inductance
Constitutive Law
Deflection
Frequency Domain
Optimization
Alternatives

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design
  • Computer Science Applications
  • Mechanical Engineering
  • Modeling and Simulation

Cite this

Renno, J. M., Daqaq, M., Farmer, J. R., & Inman, D. J. (2008). Parameter optimization of a vibration-based energy harvester with an rl electric circuit. In 2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007 (Vol. 1 PART B, pp. 787-794) https://doi.org/10.1115/DETC2007-35487

Parameter optimization of a vibration-based energy harvester with an rl electric circuit. / Renno, Jamil M.; Daqaq, Mohammed; Farmer, Justin R.; Inman, Daniel J.

2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007. Vol. 1 PART B 2008. p. 787-794.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Renno, JM, Daqaq, M, Farmer, JR & Inman, DJ 2008, Parameter optimization of a vibration-based energy harvester with an rl electric circuit. in 2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007. vol. 1 PART B, pp. 787-794, 21st Biennial Conference on Mechanical Vibration and Noise, presented at - 2007 ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2007, Las Vegas, NV, United States, 9/4/07. https://doi.org/10.1115/DETC2007-35487
Renno JM, Daqaq M, Farmer JR, Inman DJ. Parameter optimization of a vibration-based energy harvester with an rl electric circuit. In 2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007. Vol. 1 PART B. 2008. p. 787-794 https://doi.org/10.1115/DETC2007-35487
Renno, Jamil M. ; Daqaq, Mohammed ; Farmer, Justin R. ; Inman, Daniel J. / Parameter optimization of a vibration-based energy harvester with an rl electric circuit. 2007 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, DETC2007. Vol. 1 PART B 2008. pp. 787-794
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