Decentralized Two-Channel Active Noise Control for Single Frequency by Shaping Matrix Eigenvalues

被引：28

作者：

Zhang, Guoqiang ^{[1
]}

Tao, Jiancheng ^{[2
]}

Qiu, Xiaojun ^{[1
]}

Burnett, Ian ^{[1
]}

机构：

[1] Univ Technol Sydney, Ctr Audio Acoust & Vibrat, Ultimo, NSW 2007, Australia

[2] Nanjing Univ, Inst Acoust, Nanjing 210008, Jiangsu, Peoples R China

来源：

IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING | 2019年 / 27卷 / 01期

基金：

澳大利亚研究理事会;

关键词：

Active noise control (ANC); decentralized controller; adaptive controller; CONTROL ALGORITHM; SYSTEM;

D O I：

10.1109/TASLP.2018.2869686

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In an active noise control (ANC) system, computational complexity is one major concern when designing practical control algorithms. For an ANC system with multiple secondary sources and error microphones, one approach to reducing computational complexity is to apply a decentralized control scheme rather than centralized approaches. A decentralized scheme attempts to control a number of small-size ANC subsystems independently. In this paper, we consider the decentralized control of a two-channel ANC system tackling a noise disturbance in the frequency domain, where each channel consists of one secondary source and one error microphone. We propose a decentralized control method that is able to achieve the same noise reduction performance as the centralized controller with guaranteed convergence. The key step in designing the control method is to properly shape the eigenvalues of a matrix that models the two-channel secondary paths for each frequency index.

引用

页码：44 / 52

页数：9

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