Robust Wiener controller design with acoustic feedback for active noise control systems

被引：10

作者：

An, Fengyan ^{[1
]}

Cao, Yin ^{[2
]}

Wu, Ming ^{[3
]}

Sun, Hongling ^{[3
]}

Liu, Bilong ^{[1
]}

Yang, Jun ^{[3
]}

机构：

[1] Qingdao Univ Technol, Sch Mech & Automot Engn, Shandong 266520, Shandong, Peoples R China

[2] Univ Surrey, Ctr Vis Speech & Signal Proc, Guildford GU2 7XH, Surrey, England

[3] Chinese Acad Sci, Key Lab Noise & Vibrat Res, Inst Acoust, Beijing 100190, Peoples R China

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2019年 / 145卷 / 04期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

VARIABLE STEP-SIZE; ALGORITHM; CANCELLATION; PROPAGATION;

D O I：

10.1121/1.5097603

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Although the acoustic feedback could be alleviated by the neutralization method with a feedback model, an active noise control system could still suffer from being unstable if the feedback path exhibits significant variations. In this letter, a modified Wiener controller is introduced to enhance the robust stability with a fixed feedback neutralization filter. The proposed controller is designed with frequency-weighted penalties, which are adjusted iteratively according to Nyquist stability criterion. Experiment results based on a ventilation duct system shows that the robust stability could be achieved with the proposed method while a relatively good performance could be maintained. (C) 2019 Acoustical Society of America

引用

页码：EL291 / EL296

页数：6

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