AN ACCURATE AND EFFICIENT PARAMETER DECOUPLING FOR TRANSFER FUNCTION IDENTIFICATION

In-Yong Seo; Allan E. Pearson

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Paper

AN ACCURATE AND EFFICIENT PARAMETER DECOUPLING FOR TRANSFER FUNCTION IDENTIFICATION

Topics: System Identification

In Proceedings of the First International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO, 160-167, 2004 , Setúbal, Portugal

Authors: In-Yong Seo ¹ and Allan E. Pearson ²

Affiliations: ¹ Korea Electric Power Research Ins., Korea, Republic of ; ² Brown University, United States

Keyword(s): Parameter decoupling, System identification, AWLS.

Related Ontology Subjects/Areas/Topics: Informatics in Control, Automation and Robotics ; Signal Processing, Sensors, Systems Modeling and Control ; System Identification

Abstract: We present an improved parameter decoupling algorithm in estimating parameters that characterize the numerator and denominator of transfer function polynomials using the Adaptive Weighted Least Squares arising (AWLS) and Weighted Least Squares (WLS) from Fourier moment functionals of the Shinbrot type. This algorithm gives more accurate estimates and uses less computation than Pearson’s algorithm. Also, simulation examples show that this algorithm can be applied to the frequency analysis of lightly damped systems for which establishing steady state or stationary operation may require unreasonably long settling times.

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Paper citation in several formats:

Seo, I. and Pearson, A. (2004). AN ACCURATE AND EFFICIENT PARAMETER DECOUPLING FOR TRANSFER FUNCTION IDENTIFICATION . In Proceedings of the First International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO; ISBN 972-8865-12-0; ISSN 2184-2809, SciTePress, pages 160-167. DOI: 10.5220/0001138001600167

@conference{icinco04,
author={In{-}Yong Seo. and Allan E. Pearson.},
title={AN ACCURATE AND EFFICIENT PARAMETER DECOUPLING FOR TRANSFER FUNCTION IDENTIFICATION },
booktitle={Proceedings of the First International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO},
year={2004},
pages={160-167},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001138001600167},
isbn={972-8865-12-0},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the First International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO
TI - AN ACCURATE AND EFFICIENT PARAMETER DECOUPLING FOR TRANSFER FUNCTION IDENTIFICATION
SN - 972-8865-12-0
IS - 2184-2809
AU - Seo, I.
AU - Pearson, A.
PY - 2004
SP - 160
EP - 167
DO - 10.5220/0001138001600167
PB - SciTePress