Energy Harvesting Using a Piezoelectric "Cymbal" Transducer in Dynamic Environment

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著者

    • Kim Hyeoung Woo Kim Hyeoung Woo
    • International Center for Actuators and Transducers (ICAT), Materials Research Institute, Pennsylvania State University, University Park, PA 16802, U. S. A.
    • Batra Amit Batra Amit
    • International Center for Actuators and Transducers (ICAT), Materials Research Institute, Pennsylvania State University, University Park, PA 16802, U. S. A.
    • Priya Shashank [他] Priya Shashank
    • International Center for Actuators and Transducers (ICAT), Materials Research Institute, Pennsylvania State University, University Park, PA 16802, U. S. A.
    • Uchino Kenji
    • International Center for Actuators and Transducers (ICAT), Materials Research Institute, Pennsylvania State University, University Park, PA 16802, U. S. A.
    • Markley Douglas
    • International Center for Actuators and Transducers (ICAT), Materials Research Institute, Pennsylvania State University, University Park, PA 16802, U. S. A.
    • Newnham Robert E.
    • International Center for Actuators and Transducers (ICAT), Materials Research Institute, Pennsylvania State University, University Park, PA 16802, U. S. A.
    • Hofmann Heath F.
    • Electrical Engineering, Pennsylvania State University, University Park, PA 16802, U. S. A.

抄録

In this study, we investigated the capability of harvesting the electrical energy from mechanical vibrations in a dynamic environment through a "cymbal" piezoelectric transducer. Targeted mechanical vibrations lie in the range of 50–150 Hz with force amplitude in the order of 1 kN (automobile engine vibration level). It was found that under such severe stress conditions the metal–ceramic composite transducer "cymbal" is a promising structure. The metal cap enhances the endurance of the ceramic to sustain high loads along with stress amplification. In this preliminary study, the experiments were performed at the frequency of 100 Hz on a cymbal with 29 mm diameter and 1 mm thickness under a force of 7.8 N. At this frequency and force level, 39 mW power was generated from a cymbal measured across a 400 k$\Omega$ resistor. A DC–DC converter was designed which allowed the transfer of 30 mW power to a low impedance load of 5 k$\Omega$ with a 2% duty cycle and at a switching frequency of 1 kHz.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 43(9A), 6178-6183, 2004-09-15

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

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各種コード

  • NII論文ID(NAID)
    10013573854
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    7079621
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  J-STAGE  JSAP 
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