Fiber optic sensors for active acoustics control

被引：2
|
作者：
Al-Bassyiouni, M [1 ]
Yu, M [1 ]
Balachandran, B [1 ]
Oh, JE [1 ]
机构：
[1] Univ Maryland, Dept Mech Engn, College Pk, MD 20742 USA
来源：
SMART STRUCTURES AND MATERIALS 2002: MODELING, SIGNAL PROCESSING, AND CONTROL | 2002年 / 4693卷
关键词：
active structural acoustic control (ASAC); enclosed sound fields; acoustic measurements; fiber optic sensors;
D O I：
10.1117/12.475236
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, analytical and experimental investigations conducted into the design and use of fiber-tip based Fabry-Perot sensors for control of structural acoustics are presented. Noise is transmitted into the enclosure through a flexible boundary, and the fiber-tip sensors are designed for acoustic pressure and air particle velocity measurements inside and outside the enclosure as well as panel acceleration measurements. The benefits of these sensors for realizing zero spillover control schemes and other schemes are discussed.
引用
收藏
页码：396 / 406
页数：11
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