Journal of KSNVE (소음진동)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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Active Control of the Noise Fields in the Enclosure using the Feedforward and Feedback Controller

앞먹임/되먹임 제어기를 이용한 밀폐공간내 소음의 능동제어

  • 김인수 (금오공과대학교, 정밀기계공학과) ;
  • 김영식 (금오공과대학교 정밀기계공학과) ;
  • 홍석윤 (고등기술연구원 자동차 기술 연구실) ;
  • 허현무 (고등기술연구원 자동차 기술 연구실)
  • Published : 1994.12.01
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Abstract

This paper presents a design scheme of the active noise absorber that consists of the feedforward and feedback controller. The feedback controller aims to increase damping for the specific acoustic mode. The feedforward controller synthesizes the input signal coherent with the primary noise source in order to attenuate the noise field in the broad frequency range. The feedforward controller is adapted to the variation of acoustic plants using the proposed algorithm which compensates the effect of feedback link. Experimental results demonstrate that the proposed method is effective for the active control of band-limited noise fields in the enclosure.

Keywords

References

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