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Development of the propagation paths and deriving observer of feedforward active noise control system by using state-space formulation


Citation

Muhssin, Mazin T. and Raja Ahmad, Raja Mohd Kamil and Marhaban, Mohammad Hamiruce and Bafti, Payam Shafiei (2010) Development of the propagation paths and deriving observer of feedforward active noise control system by using state-space formulation. Australian Journal of Basic and Applied Sciences, 4 (8). pp. 3770-3779. ISSN 1991-8178

Abstract

This paper presents the derivation and simulation of the propagation paths of a feedforward active noise control (ANC) system in one dimensional free-field medium using state-space model (SSM) instead of Finite Impulse Response (FIR) model. Furthermore, a new observer namely State Space Least Mean Square (SSLMS) observer will be derived. This observer will be used to estimate the states along the propagation path which can not be estimated using LMS algorithm because LMS based on the FIR models. The system is simulated in MATLAB and the results of the pressure modes along the noise path are depicted and have shown that the level of the acoustic signal decreases gradually against the modes. The results of the novel observer to show the comparison of the tracking the pressures of three modes along the interfering region between the primary and secondary path are shown with the mode which is located at the observer achieving accurate estimation.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Publisher: American-Eurasian Network for Scientific Information
Keywords: Active noise control; State-space model; SSLMS observer; States estimation
Depositing User: Nabilah Mustapa
Date Deposited: 11 Mar 2015 08:34
Last Modified: 24 Sep 2018 06:57
URI: http://psasir.upm.edu.my/id/eprint/14037
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