Hard disk drives control in mobile applications

Shuzhi Sam Ge, Beibei Ren, Tong Heng Lee

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


In this paper, control design is investigated for hard disk drives in mobile applications with unknown external arbitrarily fast time-varying disturbances. The disturbances can be estimated with exponential accuracy using the proposed disturbance observer based on a series of integral filters. The position error signal will converge to zero with the proposed control technique for systems subjected to the unknown disturbances. The effectiveness of the proposed method is demonstrated by extensive simulation studies.

Original languageEnglish
Pages (from-to)215-224
Number of pages10
JournalJournal of Systems Science and Complexity
Issue number2
StatePublished - Jun 2007


  • Hard disk drives
  • Time-varying disturbances


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