A new methody of on-line model identification and update for multichannel active nose control systems

• Autorzy: Figwer, J.
• Języki publikacji: EN

Abstrakty

EN

In the paper a new methody of on-line electro-acoustic plant model identification and update for adaptive multichannel feedforward ANC systems is presented. The proposed method uses external multivariate orthogonal multisine excitation added to the control signal. Properties of this excitation allow to decompose the overall multichannel identification problem into independent single-iput single-output identification problems. Additionally, special time-domain averaging of signals efficiently reduces an influence of disturbances on identification results even for low signal-to-noise ratio.

Słowa kluczowe

EN

discrete systems; model identification; adaptive systems; active noise control; multisine time-series; fast Fourier transform

• Czasopismo: Archives of Control Sciences
• Rocznik: 2003
• Tom: Vol. 13, no. 2
• Strony: 141-155
• Opis fizyczny: Bibliogr. 28 poz., rys.

Twórcy

autor

Figwer, J.

• Institute of Automatic Control, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland,

Bibliografia

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