Computational and experimental study of an active noise cancellation system for impulsive noise.

Li, Peng
2011-07
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Computational and experimental study of an active noise cancellation system for impulsive noise.

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2011-07

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Control of impulsive noise is one important challenge for the practical implementation of active noise control (ANC) systems. The advantages and disadvantages of the popular filtered-X least mean square (FXLMS) ANC algorithm and nonlinear filtered-X least mean M-estimate (FXLMM) algorithm are discussed in this paper. A new modified FXLMM algorithm is also proposed to achieve better performance in controlling impulsive noise. A hardware-in-the-loop experiment platform is built using the dSPACE system. Also, computer simulations and experiments are carried out for all three algorithms and the results are presented and analyzed. The results show that the FXLMM and modified FXLMM algorithms are more robust in suppressing the adverse effect of sudden large amplitude impulses than the FXLMS algorithm, and in particular, the proposed modified FXLMM algorithm can achieve better stability without sacrificing the performance of residual noise when encountering impulses.

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University of Minnesota M.S. thesis. July 2011. Major: Engineering management. Advisor:Xun Yu. 1 computer file (PDF); iv, 33 pages.

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Li, Peng. (2011). Computational and experimental study of an active noise cancellation system for impulsive noise.. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/114093.

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