Reduction of flow-induced suspension vibrations in a hard disk drive by dual-stage suspension control

A.P. Teerhuis; S.J.M. Cools; R.A. Callafon, de

doi:10.1109/TMAG.2003.815441

Reduction of flow-induced suspension vibrations in a hard disk drive by dual-stage suspension control

A.P. Teerhuis, S.J.M. Cools, R.A. Callafon, de

Control Systems Technology

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

A control design methodology is proposed to controlan active dual-stage suspension for the reduction of flow-inducedvibrations (windage) in a hard disk drive. The design of thecontroller uses dynamical models of both the suspension and thestochastic behavior of the windage to design a low third-orderdiscrete-time feedback controller to reduce windage-inducedtrack misregistration. Experimental results show that nonrepeatablerunout errors due to windage are reduced by an order of amagnitude.

Original language	English
Pages (from-to)	2237-2239
Journal	IEEE Transactions on Magnetics
Volume	39
Issue number	5
DOIs	https://doi.org/10.1109/TMAG.2003.815441
Publication status	Published - 2003

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10.1109/TMAG.2003.815441

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title = "Reduction of flow-induced suspension vibrations in a hard disk drive by dual-stage suspension control",

abstract = "A control design methodology is proposed to controlan active dual-stage suspension for the reduction of flow-inducedvibrations (windage) in a hard disk drive. The design of thecontroller uses dynamical models of both the suspension and thestochastic behavior of the windage to design a low third-orderdiscrete-time feedback controller to reduce windage-inducedtrack misregistration. Experimental results show that nonrepeatablerunout errors due to windage are reduced by an order of amagnitude.",

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AU - Teerhuis, A.P.

AU - Cools, S.J.M.

AU - Callafon, de, R.A.

PY - 2003

Y1 - 2003

N2 - A control design methodology is proposed to controlan active dual-stage suspension for the reduction of flow-inducedvibrations (windage) in a hard disk drive. The design of thecontroller uses dynamical models of both the suspension and thestochastic behavior of the windage to design a low third-orderdiscrete-time feedback controller to reduce windage-inducedtrack misregistration. Experimental results show that nonrepeatablerunout errors due to windage are reduced by an order of amagnitude.

AB - A control design methodology is proposed to controlan active dual-stage suspension for the reduction of flow-inducedvibrations (windage) in a hard disk drive. The design of thecontroller uses dynamical models of both the suspension and thestochastic behavior of the windage to design a low third-orderdiscrete-time feedback controller to reduce windage-inducedtrack misregistration. Experimental results show that nonrepeatablerunout errors due to windage are reduced by an order of amagnitude.

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DO - 10.1109/TMAG.2003.815441

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JO - IEEE Transactions on Magnetics

JF - IEEE Transactions on Magnetics

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Reduction of flow-induced suspension vibrations in a hard disk drive by dual-stage suspension control

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