A weight-constrained FxLMS algorithm for feedforward active noise control systems

2002 ◽  
Vol 9 (1) ◽  
pp. 1-4 ◽  
Author(s):  
Hui Lan ◽  
Ming Zhang ◽  
Wee Ser
Keyword(s):  
Control Systems ◽  
Noise Control ◽  
Active Noise Control ◽  
Active Noise ◽  
Fxlms Algorithm

DESIGN OF DECOUPLING ACTIVE NOISE CONTROL SYSTEMS

2006 ◽  
Vol 15 (04) ◽  
pp. 521-536
Author(s):  
F. TARINGOO ◽  
J. POSHTAN ◽  
A. NASIRI ◽  
M. H. KAHAE
Keyword(s):  
Transfer Function ◽  
Control Systems ◽  
Noise Control ◽  
Active Noise Control ◽  
Fir Filter ◽  
Simple Method ◽  
Computational Load ◽  
Active Noise ◽  
Fxlms Algorithm ◽  
Decoupled Systems

In this paper a simple method for multi-channel Active Noise Control (ANC) is introduced. The proposed structure is a combination of an adaptive FIR filter, based on the FXLMS algorithm, and the ALIGN algorithm resulting in a decoupled matrix for secondary path transfer function. This structure thus converts a multi-channel ANC system to decoupled systems which results in the reduction in computational load without affecting the convergence behavior of the FXLMS system.

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