Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2003.814287
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dc.titleFeedforward control for reducing disk-flutter-induced track misregistration
dc.contributor.authorGuo, G.
dc.contributor.authorZhang, J.
dc.date.accessioned2014-06-17T02:50:02Z
dc.date.available2014-06-17T02:50:02Z
dc.date.issued2003-07
dc.identifier.citationGuo, G., Zhang, J. (2003-07). Feedforward control for reducing disk-flutter-induced track misregistration. IEEE Transactions on Magnetics 39 (4 II) : 2103-2108. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2003.814287
dc.identifier.issn00189464
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/56041
dc.description.abstractWe show in this paper that the disk vertical vibration signal picked from the slider in a hard disk drive has a fairly good correlation to the track misregistration at the disk flutter frequencies. We propose to introduce a feedforward controller into the usual servo loop to reduce disk-flutter-induced track misregistration (TMR). The feedforward controller is an approximated differential element with the disk vertical direction velocity as input. In our experimental setup, we show that such a method can reduce the TMR induced by the first four disk flutter modes by an average of about 56%. The method can potentially be used in high-track-per-inch servo track writers to reduce the written-in repeatable runouts.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/TMAG.2003.814287
dc.sourceScopus
dc.subjectDisk flutter
dc.subjectHard disk drive
dc.subjectMultisensing servo
dc.subjectServo control system
dc.subjectVibration control
dc.typeArticle
dc.contributor.departmentDEPT OF ELECTRICAL & COMPUTER ENGG
dc.contributor.departmentDATA STORAGE INSTITUTE
dc.description.doi10.1109/TMAG.2003.814287
dc.description.sourcetitleIEEE Transactions on Magnetics
dc.description.volume39
dc.description.issue4 II
dc.description.page2103-2108
dc.description.codenIEMGA
dc.identifier.isiut000184309300021
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