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Multirate track-following control with robust stability for a dual-stage multi-sensing servo system in HDDs | IEEE Conference Publication | IEEE Xplore
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Multirate track-following control with robust stability for a dual-stage multi-sensing servo system in HDDs


Abstract:

This paper proposes a multirate design method for robust track-following controllers in hard disk drives (HDDs). The HDDs to be considered are dual-stage multi-sensing sy...Show More

Abstract:

This paper proposes a multirate design method for robust track-following controllers in hard disk drives (HDDs). The HDDs to be considered are dual-stage multi-sensing systems. A track-following problem, which takes into account robust stability, is formulated as a periodic time-varying version of the standard mixed H2/H∞control problem. This problem is solved via the solution of linear matrix inequalities. Simulation results show that multirate controllers can achieve much better track-following performance than single-rate controllers, while achieving the same guaranteed robust stability margin.
Date of Conference: 15-15 December 2005
Date Added to IEEE Xplore: 30 January 2006
Print ISBN:0-7803-9567-0
Print ISSN: 0191-2216
Conference Location: Seville, Spain

References

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