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Authors: Nan-Chyuan Tsai and Chien-Ting Chen

Affiliation: National Cheng Kung University, Taiwan

Keyword(s): Singular perturbation, Two-time-scale systems, Kharitonov Theorem.

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

Abstract: For a singularly perturbed magnetic suspension system, two kinds of state feedback controllers are synthesized to account for the inherent instability of the open-loop plant with two-time-scale properties. Kharitonov polynomials, extremal vertex and uncertain Nyquist plot are employed to examine the maximum tolerance against system parameters uncertainties such that the stability of the closed-loop system is still retained. Experimental simulations are reported to illustrate the robustness of designed controllers both in stability and performance. At last, Interlacing Theorem is introduced to analyze the stability of uncertain suspension systems via the characteristic interval polynomials. It is found that identical results are obtained, in comparison with extremal vertex approach.

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Paper citation in several formats:
Tsai, N. and Chen, C. (2005). ROBUST STABILITY ANALYSIS OF SINGULARLY PERTURBED MAGNETIC SUSPENSION SYSTEMS. In Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO; ISBN 972-8865-31-7; ISSN 2184-2809, SciTePress, pages 166-172. DOI: 10.5220/0001188001660172

@conference{icinco05,
author={Nan{-}Chyuan Tsai. and Chien{-}Ting Chen.},
title={ROBUST STABILITY ANALYSIS OF SINGULARLY PERTURBED MAGNETIC SUSPENSION SYSTEMS},
booktitle={Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO},
year={2005},
pages={166-172},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001188001660172},
isbn={972-8865-31-7},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the Second International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO
TI - ROBUST STABILITY ANALYSIS OF SINGULARLY PERTURBED MAGNETIC SUSPENSION SYSTEMS
SN - 972-8865-31-7
IS - 2184-2809
AU - Tsai, N.
AU - Chen, C.
PY - 2005
SP - 166
EP - 172
DO - 10.5220/0001188001660172
PB - SciTePress