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Title: Practical implementation of a novel anti-windup scheme in a HDD-dual-stage servo-system
Authors: Herrmann, Guido
Turner, Matthew C.
Postlethwaite, Ian
Guo, G.
First Published: 2004
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: IEEE/ASME Transactions on Mechatronics, 2004, 9 (3), pp.580-592
Abstract: Two novel discrete anti-windup (AW) techniques are applied to a dual-stage actuator of an experimental hard disk drive system. The techniques, one low order, the other full order, employ convex l2-performance constraints in combination with linear-matrix-inequality-optimization methods. It is shown that the AW compensators can improve the performance of the nominal dual-stage servo-system when the secondary actuator control signal saturates at its allowable design limits. Also, stability is achieved despite saturation of both the secondary actuator and the voice-coil-motor actuator. Practical results show that the performance of each AW compensator is superior to another well-known ad-hoc AW technique, the internal model control AW scheme. The main contribution of the paper is the application of theoretically rigorous AW methods to an industrially relevant servo system.
DOI Link: 10.1109/TMECH.2004.835333
ISSN: 1083-4435
Version: Publisher version
Status: Peer reviewed
Type: Article
Rights: © 2004 IEEE. Deposited with the permission of the publisher. Reprinted from IEEE/ASME Transactions on Mechatronics, 2004, 9 (3), pp.580-592. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Leicester’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
Appears in Collections:Published Articles, Dept. of Engineering

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