IIP情報・知能・精密機器部門講演会講演論文集
Online ISSN : 2424-3140
セッションID: IIPA-2-7
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応答特性を考慮したSMAアクチュエータによる音声周波数帯域の音生成
*秋山 望実原田 宏幸田島 悠介野澤 勇人和久井 隆光
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This study aims to utilize SMA actuators as a sound source and to investigate the optimal driving method. Heated periodically by AC voltage with appropriate DC bias, the SMA actuator can vibrate and generates sound. In this paper, we investigated the relationship between the amplitude of input signals to the SMA actuator and generated sound. Based on the results of this experiment, we developed mathematical models to represent the input-output relationship of the SMA actuator. Using these models, we successfully flatten the frequency response of the SMA actuator to white noise.

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