JP4287697B2 - ディスクドライブの振動を回転速度をもとに計算して補償する方法とシステム - Google Patents

ディスクドライブの振動を回転速度をもとに計算して補償する方法とシステム Download PDF

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JP4287697B2
JP4287697B2 JP2003144687A JP2003144687A JP4287697B2 JP 4287697 B2 JP4287697 B2 JP 4287697B2 JP 2003144687 A JP2003144687 A JP 2003144687A JP 2003144687 A JP2003144687 A JP 2003144687A JP 4287697 B2 JP4287697 B2 JP 4287697B2
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Japan
Prior art keywords
disk drive
vibration
emf
filter
sensor
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JP2003144687A
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English (en)
Japanese (ja)
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JP2003346441A5 (enExample
JP2003346441A (ja
Inventor
スリ・エム・スリ・ジャヤンタ
ハイエン・ダン
アルン・スパーマ
勲 米田
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ヒタチグローバルストレージテクノロジーズネザーランドビーブイ
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Publication of JP2003346441A5 publication Critical patent/JP2003346441A5/ja
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation

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  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Electric Motors In General (AREA)
JP2003144687A 2002-05-24 2003-05-22 ディスクドライブの振動を回転速度をもとに計算して補償する方法とシステム Expired - Fee Related JP4287697B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/153684 2002-05-24
US10/153,684 US6898046B2 (en) 2002-05-24 2002-05-24 Method and system for rotational velocity-based algorithm for vibration compensation in disk drives

Publications (3)

Publication Number Publication Date
JP2003346441A JP2003346441A (ja) 2003-12-05
JP2003346441A5 JP2003346441A5 (enExample) 2006-07-06
JP4287697B2 true JP4287697B2 (ja) 2009-07-01

Family

ID=29548690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003144687A Expired - Fee Related JP4287697B2 (ja) 2002-05-24 2003-05-22 ディスクドライブの振動を回転速度をもとに計算して補償する方法とシステム

Country Status (3)

Country Link
US (1) US6898046B2 (enExample)
JP (1) JP4287697B2 (enExample)
CN (1) CN1315112C (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7106021B2 (en) * 2004-05-04 2006-09-12 International Business Machines Corporation Method, system, and program product for feedback control of a target system utilizing imposition of a periodic modulating signal onto a command signal
US7177113B1 (en) * 2005-08-03 2007-02-13 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with switchable rotational vibration cancellation
US7319570B2 (en) 2005-09-19 2008-01-15 Seagate Technology Llc Random vibration and shock compensator using a disturbance observer
JP2007095119A (ja) * 2005-09-27 2007-04-12 Hitachi Global Storage Technologies Netherlands Bv ディスク装置及びディスク装置の制御方法
JP4640977B2 (ja) * 2005-10-27 2011-03-02 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ ディスク記憶装置及びその制御方法
US7453660B2 (en) * 2006-05-31 2008-11-18 Kabushiki Kaisha Toshiba Shock feed forward adaptive filters
US7480112B2 (en) * 2007-03-28 2009-01-20 Kabushiki Kaisha Toshiba Disk drive apparatus having shock adaptive filters
JP4785148B2 (ja) * 2007-07-30 2011-10-05 東芝ストレージデバイス株式会社 記憶装置、制御方法及び記憶装置の制御装置
US7768738B2 (en) * 2007-11-13 2010-08-03 Sensor Platforms, Inc. Mitigating the effects of disturbances of a disk drive
JP2009134782A (ja) * 2007-11-28 2009-06-18 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ装置及びそのサーボ制御方法
US20100079906A1 (en) * 2008-09-29 2010-04-01 Wile Donald T Adaptive Feed Forward Rotational Vibration Compensation During a SEEK Operation
JP5930907B2 (ja) * 2012-07-27 2016-06-08 ローム株式会社 ファンモータの駆動装置、駆動方法、冷却装置、電子機器
US10379148B2 (en) * 2016-10-31 2019-08-13 Texas Instruments Incorporated Methods and apparatus to control injection for frequency response measurement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426545A (en) * 1991-05-09 1995-06-20 Sidman; Michael D. Active disturbance compensation system for disk drives
CA2089792A1 (en) 1992-04-30 1993-10-31 Jeffrey F. Boigenzahn Optimum rotational mode decoupling shock mount configuration for dasds
US5400196A (en) * 1992-04-30 1995-03-21 International Business Machines Corporation DASD with spindle imbalance isolation and method for producing same
US5402400A (en) * 1992-09-04 1995-03-28 Hitachi, Ltd. Method and apparatus for eliminating external disturbances in a disk drive device
US5608586A (en) * 1994-10-21 1997-03-04 International Business Machines Corporation Robust servo for disk-shift compensation in rotating storage system
US5721457A (en) * 1995-04-28 1998-02-24 International Business Machines Corporation Shock isolation system with write inhibit
US6088185A (en) * 1998-06-05 2000-07-11 Seagate Technology, Inc. Rotational vibration detection using a velocity sense coil
US6122139A (en) * 1998-07-20 2000-09-19 International Business Machines Corporation Disk drive rotary actuator system including synchronous counter torque generator
JP2001014782A (ja) * 1999-06-30 2001-01-19 Hitachi Ltd 磁気ディスク装置
JP4263340B2 (ja) * 2000-07-07 2009-05-13 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 回転記憶装置およびその制御方法

Also Published As

Publication number Publication date
US20030218822A1 (en) 2003-11-27
JP2003346441A (ja) 2003-12-05
CN1487503A (zh) 2004-04-07
US6898046B2 (en) 2005-05-24
CN1315112C (zh) 2007-05-09

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