Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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Nonlinear Active Noise Control with On-Line Secondary Path Modeling

2차경로의 온라인 모델링이 포함된 비선형 능동소음제어기의 설계

  • Published : 2002.08.01
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Abstract

In this Paper, we present a new nonlinear active noise control scheme using neural networks. Two neural network4 are used, one is for the active controller and another one is for the secondary path model. This scheme is suitable for the plant which has time-varing secondary path dynamics, because the secondary path modeling is performed via on-line fashion. Simulation results of active noise control with nonlinear primary/secondary path are presented. The results show that the new algorithm can reduce the noise level greatly.

본 논문에서는 신경망을 이용한 새로운 비선형 능동소음제어 시스템(ANC； active noise control system) 을 제안하였다. 제안한 시스템에서는 2개의 다층신경망을 사용하여 제어기와 2차 경로의 모델을 구성하였으며, 특히 기존의 비선형 ANC와는 달리 2차 경로의 모델링이 온라인으로 수행되기 때문에 2차경로가 시변 시스템인 경우에도 적용이 가능하다. 제안한 방범을 비선형 시변 시스템에 대해서 모의 실험한 결과 좋은 소음감소 효과를 보여주었다.

Keywords

References

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