淡江大學機構典藏:Item 987654321/126901
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/126901


    Title: Analysis of a wind-driven power generation system with root slapping mechanism
    Authors: Wang, Yi-ren;Chang, Jin-wei;Lin, Chen-yu
    Keywords: nonlinear vibrations;Method of Multiple Scales;energy harvester;piezoelectric patch
    Date: 2024-01-05
    Issue Date: 2025-03-20 09:29:51 (UTC+8)
    Publisher: MDPI
    Abstract: This study introduces a groundbreaking slap-type Vibration Energy Harvesting (VEH)
    system, leveraging a rotating shaft with magnets to induce vibrations in an adjacent elastic steel sheet
    through magnetic repulsion. This unique design causes the elastic sheet to vibrate, initiating the
    oscillation of a seesaw-type rigid plate lever. The lever then slaps a piezoelectric patch (PZT) at the
    elastic steel sheet’s root, converting vibrations into electrical energy. Notably, the design enables
    the PZT to withstand deformation and flapping forces simultaneously, enhancing power conversion
    efficiency. The driving force for the rotating shaft is harnessed from the downstream flow field
    generated by moving objects like rotorcraft, fixed-wing aircraft, motorcycles, and bicycles. Beyond
    conventional vibration energy harvesting, this design taps into additional electric energy generated
    by the PZT’s slapping force. This study includes mathematical modeling of nonlinear elastic beams,
    utilizing the Method of Multiple Scales (MOMS) for in-depth vibration mode analysis. Experimental
    validation ensures the convergence of theory and practice, confirming the feasibility and superior
    voltage generation efficiency of this slap-type VEH concept compared to traditional VEH systems.
    Relation: Applied Sciences 14(2),　　482
    DOI: 10.3390/app14020482
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Journal Article

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