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有源消声耳罩控制器的实现
引用本文:张耿,连小珉,朱彦武,蒋孝煜.有源消声耳罩控制器的实现[J].应用声学,1999,18(2):11-15.
作者姓名:张耿  连小珉  朱彦武  蒋孝煜
作者单位:清华大学汽车工程系北京,100084
摘    要:本文用传递函数描述了复合式有源消声耳罩的系统模型,确定了模拟式消声控制器的合理阶次,对于前馈控制器和反馈控制器,均比出了电路实现方案,最后,实际设计了复合式有源消声耳罩,并实测了控制器特性和消声效果,验证了本文提出了的控制器实现方法的有效性。

关 键 词:有源消声  耳罩  控制器  噪声抑制  电路

Implementation of the controller for a compound active noise-cancellation earmuff
Zhang Geng,Lian Xiaomin,Zhu Yanwu and Jiang Xiaoyu.Implementation of the controller for a compound active noise-cancellation earmuff[J].Applied Acoustics,1999,18(2):11-15.
Authors:Zhang Geng  Lian Xiaomin  Zhu Yanwu and Jiang Xiaoyu
Institution:Automotive Department of Tsinghua University, Beijing 100084;Automotive Department of Tsinghua University, Beijing 100084;Automotive Department of Tsinghua University, Beijing 100084;Automotive Department of Tsinghua University, Beijing 100084
Abstract:A system model of a compound active noise-cancellation earmuff(CANCE) is described by means of transfer function, and the optimal order of the controllers is discussed. Practical circuits are given to implement both the feedforward controller and the feedback controller. A practical CANCE is fabricated, and the noise cancellation effect is tested, so that the effectiveness of the inplementation method is verified.
Keywords:Active  noise-cancellation  Earmuffs  Controller
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