A high performance feedback active noise control system

Davari, Pooya (2010) A high performance feedback active noise control system. Journal of Advances in Computer Research, 1(1), pp. 45-52.

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Abstract

In many active noise control (ANC) applications, an online secondary path modelling method that uses a white noise as a training signal is required. This paper proposes a new feedback ANC system. Here we modified both the FxLMS and the VSS-LMS algorithms to raised noise attenuation and modelling accuracy for the overall system. The proposed algorithm stops injection of the white noise at the optimum point and reactivate the injection during the operation, if needed, to maintain performance of the system. Preventing continuous injection of the white noise increases the performance of the proposed method significantly and makes it more desirable for practical ANC systems. Computer simulation results shown in this paper indicate effectiveness of the proposed method.

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ID Code: 66715
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Active Noise Control, Secondary path, Feedback ANC, White Noise
ISSN: 2008-6148
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2010 Islamic Azad University
Deposited On: 29 Jan 2014 03:25
Last Modified: 02 Jun 2014 10:31

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