Nonlinear feedback active noise control for broadband chaotic noise

被引：24

作者：

Behera, Suman Bala ^{[1
]}

Das, Debi Prasad ^{[2
]}

Rout, Nirmal Kumar ^{[1
]}

机构：

[1] Kalinga Inst Ind Technol, Sch Elect Engn, Bhubaneswar 751024, Orissa, India

[2] CSIR Inst Minerals & Mat Technol, Bhubaneswar 751013, Orissa, India

来源：

APPLIED SOFT COMPUTING | 2014年 / 15卷

关键词：

Active noise control; Feedback ANC; FLANN; Chaotic noise; ACOUSTICS; MITIGATION; SYSTEMS; SOUND;

D O I：

10.1016/j.asoc.2013.10.025

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Feedback active noise control has been used for tonal noise only and it is impractical for broadband noise. In this paper, it has been proposed that the feedback ANC algorithm can be applied to a broadband noise if the noise characteristic is chaotic in nature. Chaotic noise is neither tonal nor random; it is broadband and nonlinearly predictable. It is generated from dynamic sources such as fans, airfoils, etc. Therefore, a nonlinear controller using a functional link artificial neural network is proposed in a feedback configuration to control chaotic noise. A series of synthetic chaotic noise is generated for performance evaluation of the algorithm. It is shown that the proposed nonlinear controller is capable to control the broadband chaotic noise using feedback ANC which uses only one microphone whereas the conventional filtered-X least mean square (FXLMS) algorithm is incapable for controlling this type of noise. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：80 / 87

页数：8

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