Dynamics & Design Conference
Online ISSN : 2424-2993
2017
セッションID: 506
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圧電吸音板を用いたエネルギハーベスティングの研究
*平山 恵太山田 啓介
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This paper describes the energy harvesting method using the piezoelectric sound absorbing panel. The piezoelectric sound absorbing panel absorbs the acoustic energy incident on it. Recently, many types of energy harvesting techniques have been studied. These methods extract vibration energy as electrical energy through electromechanical transducers. In this research, the piezoelectric sound absorbing panel was used as the electromechanical transducer. In the piezoelectric sound absorbing panel, the absorbed energy was dissipated through a resistor of the LR circuit connected to the piezoelectric element; however, in this research, this dissipated energy was harvested. The optimum values of the LR circuit that maximizes the amount of the harvested energy were derived, and the effectiveness was verified through simulations and experiments.

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