弹性壁舱室噪声振动控制技术  

Noise and Vibration Control Technology in Flexible Cabin

作　　者：房帅[1] 

机构地区：[1]中国电子科技集团公司第三研究所,北京100015

出　　处：《电声技术》2013年第7期61-64,83,共5页Audio Engineering

摘　　要：为研究振动噪声控制技术,设计了一只以0.5 m为边长的正方体铝箱和一只以飞机内饰板为振动面的复合材料密闭空间,并采用振动激励器引起壁板振动,在箱体内产生噪声。采用在弹性壁上安装压电陶瓷换能器控制振动的方式来降低空间内的噪声。经过实际测试,大大降低了箱体内的噪声。In order to study the noise and vibration reduction technology , two cabins with flexible wall are designed, which quivered by an actuator to produce noise in the cabins. PZTs is located on the wall to control the vibration , consequently to reduce the noise in the cabin. By the practice, the method is effective to reduce the noise in the cabin greatly.

关 键 词：弹性壁舱室 自适应控制 舱室噪声 

分 类 号：TP273.2[自动化与计算机技术—检测技术与自动化装置]