Adaptive Inverse Model of Nonlinear Systems

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Author(s)

Prachee Patnaik 1,* Debi Prasad Das 2 Santosh Kumar Mishra 2

1. Department of Computer Science and Applications, Utkal University, Bhubaneswar, India

2. Process Engineering and Instrumentation Cell, CSIR-Institute of Minerals and Materials Technology

* Corresponding author.

DOI: https://doi.org/10.5815/ijisa.2015.05.06

Received: 10 Aug. 2014 / Revised: 14 Nov. 2014 / Accepted: 14 Jan. 2015 / Published: 8 Apr. 2015

Index Terms

Nonlinear System, Adaptive System, Adaptive Inverse Model, Filter-Bank

Abstract

This paper proposes nonlinear adaptive filter-bank (NAFB) based algorithm for inverse modeling of nonlinear systems. Inverse modeling has been an important component for sensor linearization, adaptive control, channel equalization in communication system and active noise control. Under practical situations, the plant/system behaves nonlinearly which can be modeled as both parallel and cascaded structures of linear and nonlinear transfer functions. These linear and nonlinear transfer functions can be either static or dynamic, time variant or time invariant. The proposed NAFB algorithms are applied to generate the inverse model of different types of nonlinear systems and their convergence performances are evaluated. These nonlinear inverse models can be suitably applied to many engineering applications.

Cite This Paper

Prachee Patnaik, Debi Prasad Das, Santosh Kumar Mishra, "Adaptive Inverse Model of Nonlinear Systems", International Journal of Intelligent Systems and Applications(IJISA), vol.7, no.5, pp.40-47, 2015. DOI:10.5815/ijisa.2015.05.06

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