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.
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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|Item Type:||Journal Article|
|Keywords:||Active Noise Control, Secondary path, Feedback ANC, White Noise|
|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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