On the H∞ controller design for a magnetic suspension system model

Date
2013
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Source Title
IFAC Proceedings Volumes
Print ISSN
Electronic ISSN
Publisher
Elsevier
Volume
46
Issue
3(11th Workshop on Time-Delay Systems)
Pages
320 - 324
Language
English
Type
Conference Paper
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Abstract

This paper deals with the H∞ optimal controller design for a magnetic suspension system model derived in Knospe and Zhu [2011], with added input/output delay. The plant is a fractional order system with time delay i.e., the transfer function of the plant involves infinite dimensional terms including a rational function of √/s and e-hs, where h > 0 represents the delay. The H∞ optimal controller is designed by using the recent formulation given in Ozbay [2012] for the mixed sensitivity minimization problem for unstable infinite dimensional plants with low order weights. The effect of time delay on the achievable performance level is illustrated. © 2013 IFAC.

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Keywords
Achievable performance, Controller designs, Effect of time, Fractional-order systems, Infinite dimensional, Magnetic suspension system, Mixed sensitivity, Optimal controller, Delay control systems, Optimization, Time delay, Suspensions (components)
Citation
Published Version (Please cite this version)