Modeling and control of a dual stage actuator hard disk drive with MEMS-based secondary actuator

Roberto Oboe, Bruno Murari

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

High capacity of new magnetic material can be exploited only with a fine servo-positioning of the hard disk heads. This can be achieved by means of dual stage actuation, where the secondary actuator can be realized with different technologies. In this paper, the need for a secondary actuator is proven by explicitly including the non-linear friction on the VCM bearings. The use of a MEMS-based secondary actuator is analyzed, determining the dynamic model of MEMS-based dual stage actuator system. With this detailed model, a control strategy is developed and evaluated.

Original languageEnglish
Title of host publicationInternational Workshop on Advanced Motion Control, AMC
PublisherIEEE
Pages479-484
Number of pages6
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Engineering(all)

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