Implementation of FxLMS Algorithm Based on Level-2 S-Function and Behavior Analysis

Feng Zhang; Yi Nong Li; Lei Wang

doi:10.4028/www.scientific.net/AEF.2-3.640

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HomeAdvanced Engineering ForumAdvanced Engineering Forum Vols. 2-3Implementation of FxLMS Algorithm Based on Level-2...

Implementation of FxLMS Algorithm Based on Level-2 S-Function and Behavior Analysis

Abstract:

Active vibration control use an active force from secondary path to suppress or attenuate periodic or quasi-periodic vibration and noises, one of the popular control algorithms is filtered-x least mean square (FxLMS) adaptive method. Based on structure of FxLMS algorithm, the paper uses Level-2 S-fun to create a new FxLMS blocks in Matlab/Simulink and apply it on vibration active control system simulator. Results of computer simulation showed the custom FxLMS block’s feasibility and control algorithm’s efficiency. On the condition of stabilization, behavior analysis was also taken out by adjusting the interior parameters, including the number of Weights and the Step size.

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Periodical:

Advanced Engineering Forum (Volumes 2-3)

Pages:

640-644

DOI:

https://doi.org/10.4028/www.scientific.net/AEF.2-3.640

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Online since:

December 2011

Authors:

Feng Zhang, Yi Nong Li, Lei Wang

Keywords:

Active Vibration Control, Adaptive Filter, FXLMS, Level-2, S-Function

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References

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