New insight into energy harvesting via axially-loaded beams

Mohammed Daqaq

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

    Abstract

    Driven by the study of Leland and Wright [1], this manuscript delves into the qualitative understanding of energy harvesting using axially-loaded beams. Using a simple nonlinear electromechanical model and the method of multiple scales, we study the general nonlinear physics of energy harvesting from a piezoelectric beam subjected to static axial loading and traversal dynamic excitation. We obtain analytical expressions for the steady-state response amplitude, the voltage drop across a resistive load, and the output power. We utilize these expression to study the effect of the axial loading on the overall nonlinear behavior of the harvester. It is demonstrated that, in addition to the ability of tuning the harvester to the excitation frequency via axial load variations, the axial load aids in i) increasing the electric damping in the system thereby enhancing the energy transfer from the beam to the electric load, ii) amplifying the effect of the external excitation on the structure, and hence, increases the steady-state response amplitude and output voltage, and iii) increasing the bandwidth of the harvester by enhancing the effective nonlinearity of the system.

    Original languageEnglish (US)
    Title of host publicationASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009
    Pages457-466
    Number of pages10
    Volume1
    EditionPARTS A AND B
    DOIs
    StatePublished - Dec 1 2009
    EventASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009 - San Diego, CA, United States
    Duration: Aug 30 2009Sep 2 2009

    Other

    OtherASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009
    CountryUnited States
    CitySan Diego, CA
    Period8/30/099/2/09

    Fingerprint

    Harvesters
    Energy Harvesting
    Energy harvesting
    Axial loads
    Excitation
    Electric loads
    Voltage
    Energy transfer
    Method of multiple Scales
    Output
    Energy Transfer
    Physics
    Tuning
    Damping
    Bandwidth
    Electric potential
    Nonlinearity

    ASJC Scopus subject areas

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

    Cite this

    Daqaq, M. (2009). New insight into energy harvesting via axially-loaded beams. In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009 (PARTS A AND B ed., Vol. 1, pp. 457-466) https://doi.org/10.1115/DETC2009-86974

    New insight into energy harvesting via axially-loaded beams. / Daqaq, Mohammed.

    ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. Vol. 1 PARTS A AND B. ed. 2009. p. 457-466.

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

    Daqaq, M 2009, New insight into energy harvesting via axially-loaded beams. in ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. PARTS A AND B edn, vol. 1, pp. 457-466, ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009, San Diego, CA, United States, 8/30/09. https://doi.org/10.1115/DETC2009-86974
    Daqaq M. New insight into energy harvesting via axially-loaded beams. In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. PARTS A AND B ed. Vol. 1. 2009. p. 457-466 https://doi.org/10.1115/DETC2009-86974
    Daqaq, Mohammed. / New insight into energy harvesting via axially-loaded beams. ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE2009. Vol. 1 PARTS A AND B. ed. 2009. pp. 457-466
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