Active noise cancellation using H∞ control techniques

被引:0
|
作者
Belur, MN [1 ]
Banavar, RN [1 ]
Mahindrakar, AD [1 ]
机构
[1] Indian Inst Technol, Bombay 400076, Maharashtra, India
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暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The noise cancellation problem has been studied extensively [4], [2]. Low frequency (acoustic) noise attenuation has faced attention in industrial environments and in automobile applications. The modeling of the one-dimensional case (where sound travels in a duct and hence between 'wave guides') is relatively straightforward for example [1], [6] & [3]. In this paper, a laboratory experimentation of canceling noise using the H-infinity control algorithm is presented. The setup consists of a rectangular wooden duct fitted with speakers (for actuation and noise) and microphones (for sensing). The system is interfaced to a stand-alone DSP board (dSPACE) with a TMS 320C31 chip and the control algorithm is implemented digitally on the DSP.
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页码:192 / 195
页数:4
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