A Variable Evolutionary Coefficients Adaptive Noise Cancellation Algorithm

XIAO Hui-fang1, SHAO Yi-mim2, ZHOU Xiao-jun2

Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (5) : 33-38.

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Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (5) : 33-38.

A Variable Evolutionary Coefficients Adaptive Noise Cancellation Algorithm

  • Factors of fitness function using the reciprocal of the average energy of the output signal, constant cloning and mating coefficients all restrict the convergence and noise cancellation performances of the traditional evolutionary adaptive noise cancellation algorithm. In this paper, the variable coefficients evolutionary adaptive noise cancellation algorithm using dynamic fitness function is proposed. The mating coefficient is related to evolutionary generation and the cloning coefficient is determined by evolutionary generation and fitness value, and a dynamic fitness function is also employed. Results from simulation case and test datasets show that the proposed algorithm exhibits better convergence and noise cancellation performances than other similar algorithms.
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Abstract

Factors of fitness function using the reciprocal of the average energy of the output signal, constant cloning and mating coefficients all restrict the convergence and noise cancellation performances of the traditional evolutionary adaptive noise cancellation algorithm. In this paper, the variable coefficients evolutionary adaptive noise cancellation algorithm using dynamic fitness function is proposed. The mating coefficient is related to evolutionary generation and the cloning coefficient is determined by evolutionary generation and fitness value, and a dynamic fitness function is also employed. Results from simulation case and test datasets show that the proposed algorithm exhibits better convergence and noise cancellation performances than other similar algorithms.

Key words

evolutionary filter / adaptive noise cancellation / variable evolutionary coefficients / dynamic fitness function.

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XIAO Hui-fang1, SHAO Yi-mim2, ZHOU Xiao-jun2. A Variable Evolutionary Coefficients Adaptive Noise Cancellation Algorithm[J]. Journal of Vibration and Shock, 2015, 34(5): 33-38

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