淡江大學機構典藏:Item 987654321/121034
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    題名: Transverse Vibration Energy Harvesting of Double Elastic Steel
    作者: Wang, Y.-R.;Hung, C.-C.;Tseng, J.-T.
    關鍵詞: Beam;method of multiple scales;¯xed points plot;vibration energy harvester (VEH);shaker;piezoelectric technology
    日期: 2021-04-16
    上傳時間: 2021-08-25 12:11:30 (UTC+8)
    摘要: This study uses the piezoelectric technology to collect vibration energy from the ¯xed-¯xed
    nonlinear elastic beams attached with the piezo-patch between the two ends. Both single elastic
    steel sheet (SESS) and double elastic steel sheet (DESS) systems are investigated and correlated.
    To simulate the power generation of the vibration energy harvester (VEH) of both the
    SESS and the DESS in di®erent engineering elements, the simple harmonic external force
    generated by a shaker at the location of the piezo-patch is used as the source. With this, more
    vibration converted electric energy is derived from the transverse deformation and °apping from
    the DESS than the SESS beam. The equation of a nonlinear Euler–Bernoulli beam is coupled
    with the electric energy equation of the piezo-patch to simulate the SESS VEH system. The
    °apping force from the DESS VEH system can be considered the concentrated external load
    applied on the SESS beam model. The method of multiple scales (MOMS) is employed to
    analyze this nonlinear problem. The ¯xed points plots and the numerical results con¯rm this
    theory presented for the two beam systems, which can be used for evaluating similar engineering
    systems. Experiments are also performed in this study. The Taguchi method is used to analyze
    the optimum locations of the shaker and piezo-patch, as well as the con¯dence level of the
    factors. The method of nonlinear analysis presented in this study demonstrates its accuracy
    compared with the linear case. The transverse DESS VEH model proposed is proved to be
    feasible and more e®ective than the SESS system.
    關聯: International Journal of Structural Stability and Dynamics 21(8), 2150113
    DOI: 10.1142/S0219455421501133
    顯示於類別:[航空太空工程學系暨研究所] 期刊論文

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