Active noise control using online secondary path identification algorithm

Shinya Kijimoto; Yasumasa Imamura; Yoichi Kanemitsu; Koichi Matsuda; Yosuke Koba

Active noise control using online secondary path identification algorithm

Shinya Kijimoto, Yasumasa Imamura, Yoichi Kanemitsu, Koichi Matsuda, Yosuke Koba

Dynamics of Mechanical Systems

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Considering about practical use of active noise control in 3dimensional sound field, it is difficult to obtain characteristic of a secondary path (acoustic path from the secondary source to the error microphone) beforehand. In this paper, a FTF algorithm that has fast converging property is newly introduced to a direct adaptive algorithm which does not need the secondary path characteristic beforehand. A numerical simulation is carried out with a sound field that the error path changes during control. Experiments are also carried out. The effectiveness of the proposed algorithm is shown through both the simulations and the experiments.

Original language	English
Title of host publication	Institute of Noise Control Engineering of the USA - 35th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2006
Pages	2436-2442
Number of pages	7
Volume	4
Publication status	Published - 2006
Event	35th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2006 - Honolulu, HI, United States Duration: Dec 3 2006 → Dec 6 2006

Other

Other	35th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2006
Country	United States
City	Honolulu, HI
Period	12/3/06 → 12/6/06

All Science Journal Classification (ASJC) codes

Acoustics and Ultrasonics

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Active noise control using online secondary path identification algorithm. / Kijimoto, Shinya; Imamura, Yasumasa; Kanemitsu, Yoichi; Matsuda, Koichi; Koba, Yosuke.

Institute of Noise Control Engineering of the USA - 35th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2006. Vol. 4 2006. p. 2436-2442.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kijimoto, S, Imamura, Y, Kanemitsu, Y, Matsuda, K & Koba, Y 2006, Active noise control using online secondary path identification algorithm. in Institute of Noise Control Engineering of the USA - 35th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2006. vol. 4, pp. 2436-2442, 35th International Congress and Exposition on Noise Control Engineering, INTER-NOISE 2006, Honolulu, HI, United States, 12/3/06.

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AB - Considering about practical use of active noise control in 3dimensional sound field, it is difficult to obtain characteristic of a secondary path (acoustic path from the secondary source to the error microphone) beforehand. In this paper, a FTF algorithm that has fast converging property is newly introduced to a direct adaptive algorithm which does not need the secondary path characteristic beforehand. A numerical simulation is carried out with a sound field that the error path changes during control. Experiments are also carried out. The effectiveness of the proposed algorithm is shown through both the simulations and the experiments.

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