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Weighted Filtered-s LMS Algorithm for Nonlinear Active Noise Control

  • Tapasmini Sahoo
  • Kunal Kumar DasEmail author
Conference paper
Part of the Lecture Notes in Networks and Systems book series (LNNS, volume 109)

Abstract

Nonlinearity in Active Noise Control (ANC) must be taken into account for the improvement in performance of the system. Artificial neural network topologies are efficient techniques to deal with nonlinear modelling. Emergence of Functional Neural Network (FLANN) heralded a new paradigm in nonlinear ANC. Employment of FLANN in nonlinear ANC is characterized by simple structure, relatively low in computational load and slow convergence capability. In this paper, the structure of FLANN is modified by introducing a set of combining weights. The objective is to accelerate the slow convergence of ANC. The algorithm to update the FLANN and newly introduced combining weights are also proposed. The proposed structure and algorithm have faster convergence capability without losing the FLANN’s structural simplicity. This modified structure achieved its objective without compromising in Mean square error performance and a substantial increase in computational requirement. Exhaustive computer simulation experiments are also presented to validate the efficacy of the proposed algorithm.

Keywords

Nonlinear active noise control Filtered-s LMS algorithm Weighted Filtered-s LMS algorithm Functional link artificial neural network 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Electronics and Communication Engineering, Institute of Technical Education and ResearchSiksha ‘O’ Anusandhan Deemed UniversityBhubaneswarIndia

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