Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Active Noise Control of a Closed Rectangular Cavity Using FXLMS Algorithms

FXLMS 알고리듬을 이용한 사각밀폐공간의 능동소음제어

  • 류경완 (부산대학교 대학원 기계공학부) ;
  • 홍진숙 (울산과학대학 디지털기계학부) ;
  • 신창주 (부산대학교 대학원 기계공학부) ;
  • 정의봉 (부산대학교 기계공학부)
  • Received : 2010.12.16
  • Accepted : 2011.11.01
  • Published : 2011.11.20
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Abstract

This paper investigates active noise control(ANC) of a rectangular cavity using single channel filtered-x least mean square(FXLMS) algorithms to globally reduce the interior noise. To obtain the global reduction of the interior noise, multichannel active control should be incorporated in general. We, however, examined firstly the optimal location of the secondary source that produces a global reduction of the interior noise field using single channel control. We then investigated the frequency characteristics of the reduction to yield the effective frequency band of the active control system. It follows that the secondary source should be located as close to the primary source as possible in order to obtain the global reduction.

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References

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