On the robust controller design for Hard Disk Drive servo systems with time delays

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buir.contributor.authorÖzbay, Hitay
dc.citation.epage1291en_US
dc.citation.spage1286en_US
dc.contributor.authorYan, P.en_US
dc.contributor.authorÖzbay, Hitayen_US
dc.coverage.spatialZurich, Switzerlanden_US
dc.date.accessioned2016-02-08T12:05:29Z
dc.date.available2016-02-08T12:05:29Z
dc.date.issued2013en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 17-19 July 2013en_US
dc.descriptionConference Name: European Control Conference, IEEE 2013en_US
dc.description.abstractDue to the existence of various sources of delays, the dynamical model of HDD (Hard Disk Drive) servo systems is actually infinite dimensional, although most of the control algorithms simplified the model with Padé expansions or other finite dimensional approximations. In this paper, a robust loop shaping algorithm is developed for the HDD model with delays by using an h ∞ synthesis approach for infinite dimensional systems. The h∞ controller is derived with a structure of an internal feedback loop including an FIR (Finite Impulse Response) filter and an IIR (Infinite Impulse Response) filter, which facilitates non-fragile implementations. Comparisons to other robust control methods are given and the advantages of this approach are demonstrated in terms of improvement of TMR (track misregistration) and tracking TPI (Track-per-Inch) capability.en_US
dc.identifier.doi10.23919/ECC.2013.6669554en_US
dc.identifier.urihttp://hdl.handle.net/11693/27927
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttps://www.doi.org/10.23919/ECC.2013.6669554en_US
dc.source.titleProceedings of the European Control Conference, IEEE 2013en_US
dc.subjectFinite dimensional approximationen_US
dc.subjectFinite-impulse responseen_US
dc.subjectHard disk drive servo systemen_US
dc.subjectInfinite impulse responseen_US
dc.subjectInfinite-dimensional systemen_US
dc.subjectInternal feedback loopen_US
dc.subjectRobust control methodsen_US
dc.subjectRobust controller designen_US
dc.subjectAlgorithmsen_US
dc.subjectControllersen_US
dc.subjectIIR filtersen_US
dc.subjectImpulse responseen_US
dc.subjectRobust controlen_US
dc.subjectServomechanismsen_US
dc.subjectHard disk storageen_US
dc.titleOn the robust controller design for Hard Disk Drive servo systems with time delaysen_US
dc.typeConference Paperen_US
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