Comparing the performance of a nonlinear energy harvester in mono- and bi-stable potentials

Ravindra Masana, Mohammed Daqaq

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

    Abstract

    The quest to develop broadband vibratory energy harvesters (VEHs) has recently motivated researchers to explore introducing nonlinearities into the harvester's design. Some research efforts have demonstrated that this new class of nonlinear harvesters can outperform their traditional linear (resonant) counterparts; some others however concluded that nonlinearities can diminish the harvester's transduction. Through this effort, we compare the performance of a nonlinear VEH operating in mono- and bi-stable potentials. With that objective, we consider an axially-loaded clamped-clamped piezoelectric beam which functions as an energy harvester in the mono-stable (pre-buckling) and bistable (post-buckling) configurations. For the purpose of fair performance comparison, the oscillation frequency around the stable equilibria of the harvester is tuned to equal values in both configurations. The harvester is then subjected to harmonic base excitations of different magnitudes and a slowly-varying frequency which spans a wide range around the tuned oscillation frequency. The output voltage measured across an arbitrarily chosen electric load is used as a relative performance measure. Both numerical and experimental results demonstrate that the shape of the potential function plays an essential role in conjunction with the magnitude of the base excitation to determine whether the bi-stable harvester can outperform the mono-stable one and for what range of frequencies.

    Original languageEnglish (US)
    Title of host publicationASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011
    Pages255-264
    Number of pages10
    Volume1
    EditionPARTS A AND B
    DOIs
    StatePublished - Dec 1 2011
    EventASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011 - Washington, DC, United States
    Duration: Aug 28 2011Aug 31 2011

    Other

    OtherASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011
    CountryUnited States
    CityWashington, DC
    Period8/28/118/31/11

    Fingerprint

    Harvesters
    Energy
    Excitation
    Nonlinearity
    Oscillation
    Postbuckling
    Configuration
    Performance Comparison
    Potential Function
    Buckling
    Performance Measures
    Range of data
    Broadband
    Harmonic
    Voltage
    Numerical Results
    Electric loads
    Output
    Experimental Results
    Demonstrate

    Keywords

    • Axially loading
    • Bi-stable
    • Energy harvesting
    • Monostable
    • Nonlinear

    ASJC Scopus subject areas

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

    Cite this

    Masana, R., & Daqaq, M. (2011). Comparing the performance of a nonlinear energy harvester in mono- and bi-stable potentials. In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011 (PARTS A AND B ed., Vol. 1, pp. 255-264) https://doi.org/10.1115/DETC2011-47828

    Comparing the performance of a nonlinear energy harvester in mono- and bi-stable potentials. / Masana, Ravindra; Daqaq, Mohammed.

    ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011. Vol. 1 PARTS A AND B. ed. 2011. p. 255-264.

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

    Masana, R & Daqaq, M 2011, Comparing the performance of a nonlinear energy harvester in mono- and bi-stable potentials. in ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011. PARTS A AND B edn, vol. 1, pp. 255-264, ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011, Washington, DC, United States, 8/28/11. https://doi.org/10.1115/DETC2011-47828
    Masana R, Daqaq M. Comparing the performance of a nonlinear energy harvester in mono- and bi-stable potentials. In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011. PARTS A AND B ed. Vol. 1. 2011. p. 255-264 https://doi.org/10.1115/DETC2011-47828
    Masana, Ravindra ; Daqaq, Mohammed. / Comparing the performance of a nonlinear energy harvester in mono- and bi-stable potentials. ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, IDETC/CIE 2011. Vol. 1 PARTS A AND B. ed. 2011. pp. 255-264
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