Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30037
Title: Adaptive Laguerre filters for active noise control
Authors: Yuan, J 
Keywords: Active noise control
Adaptive Laguerre filters
Controller optimization
Non-minimum phase systems
Issue Date: 2007
Publisher: Pergamon Press
Source: Applied acoustics, 2007, v. 68, no. 1, p. 86-96 How to cite?
Journal: Applied acoustics 
Abstract: Feedforward controllers are used in many active noise control (ANC) systems to generate destructive interference in noise fields. An ideal feedforward ANC controller should have an infinite impulse response (IIR) transfer function, but most available feedforward ANC controllers have finite impulse responses (FIR) instead. The main reason is related to the adaptation algorithms of ANC systems. In general, adaptive FIR filters converge faster with guaranteed stability. In this study, the adaptive Laguerre filter is proposed and tested in an ANC application with positive experimental effects. The new ANC controller is an IIR filter, but its adaptation is similar to that of a FIR filter with fast convergence and guaranteed stability. Detailed explanations and analysis are presented in the main text.
URI: http://hdl.handle.net/10397/30037
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/j.apacoust.2006.01.009
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