A Feedforward Hybrid Active Noise Control System in the Presence of Sensor Error

被引：0

作者：

Xiao, Yegui ^{[1
]}

Wei, Hongyun ^{[2
]}

机构：

[1] Prefectural Univ Hiroshima, Dept Management & Informat Syst, Hiroshima 7348558, Japan

[2] Akita Int Univ, Math & Nat Sci, Akita 0101211, Japan

来源：

2012 12TH INTERNATIONAL CONFERENCE ON CONTROL, AUTOMATION, ROBOTICS & VISION (ICARCV) | 2012年

关键词：

AUXILIARY NOISE; FREQUENCY MISMATCH;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In an active noise control (ANC) system, frequencies of the reference cosine and sine waves generated according to the online sensor information may be different from those of the primary noise to be suppressed, if the sensor contains error due to fatigue, aging etc. This difference, called frequency mismatch (FM), will severely deteriorate the performance of the system even though it is quite small. In this paper, three adaptive schemes are introduced for a feedforward hybrid ANC system, which are capable of effectively reducing the FM and thus making the system robust and immune against sensor error. Extensive simulations are conducted to confirm the effectiveness of the proposed adaptive schemes as well as the performance of the modified system.

引用

页码：306 / 310

页数：5

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