Model-Based Adaptive Filtering of Dielectric Elastomer Loudspeakers

被引：1
|
作者：
Garnell, Emil [1 ]
Doare, Olivier [1 ]
Rouby, Corinne [1 ]
机构：
[1] Inst Polytech Paris, CEA, EDF, IMSIA,CNRS,ENSTA Paris, Paris, France
来源：
JOURNAL OF THE AUDIO ENGINEERING SOCIETY | 2021年 / 69卷 / 06期
关键词：
FREQUENCY; DESIGN; PERFORMANCE;
D O I：
10.17743/jaes.2021.0010
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Dielectric elastomers are soft actuators that can reach deformations by more than 500% when a high voltage is applied. They have been considered for use as loudspeakers because of their quick response. One of their limitations is an inhomogeneous frequency response, due to the modal behavior of the membrane. In this study, we set up a sensor-free adaptive filtering strategy that relies on a finite element model of the loudspeaker, to improve the frequency response.
引用
收藏
页码：389 / 397
页数：9
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