The performance of active control of random noise in cars (L)

被引：13

作者：

Mohammad, Janatul I. ^{[1
]}

Elliott, Stephen J. ^{[1
]}

Mackay, Andy ^{[2
]}

机构：

[1] Univ Southampton, Inst Sound & Vibrat Res, Southampton SO17 1BJ, Hants, England

[2] NVH Grp, Lotus Engn, Norwich NR14 8EZ, Norfolk, England

来源：

JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2008年 / 123卷 / 04期

关键词：

D O I：

10.1121/1.2836745

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This letter investigates the effectiveness of various configurations of reference sensors for feedforward active control systems in vehicles using unconstrained frequency domain optimization. The results from a model problem are based on a fully coupled analysis between the vibration of a car panel and an enclosed acoustic field. These suggest that with correct locations, only a small number of microphones or accelerometers are needed to give good overall performance, despite many uncorrelated primary disturbances being present. Similar results are predicted from road test data. (C) 2008 Acoustical Society of America.

引用

页码：1838 / 1841

页数：4

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