DE60228799D1 - Magnetplattenlaufwerk und Steuerverfahren dafür - Google Patents

Magnetplattenlaufwerk und Steuerverfahren dafür

Info

Publication number
DE60228799D1
DE60228799D1 DE60228799T DE60228799T DE60228799D1 DE 60228799 D1 DE60228799 D1 DE 60228799D1 DE 60228799 T DE60228799 T DE 60228799T DE 60228799 T DE60228799 T DE 60228799T DE 60228799 D1 DE60228799 D1 DE 60228799D1
Authority
DE
Germany
Prior art keywords
control method
disk drive
magnetic disk
method therefor
therefor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60228799T
Other languages
English (en)
Inventor
Yoshio Soyama
Yuji Hata
Katsumoto Onoyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Japan Ltd
Original Assignee
Hitachi Global Storage Technologies Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Global Storage Technologies Japan Ltd filed Critical Hitachi Global Storage Technologies Japan Ltd
Application granted granted Critical
Publication of DE60228799D1 publication Critical patent/DE60228799D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
    • 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
    • G11B5/5565—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for compensation of variations of physical parameters, e.g. temperature
DE60228799T 2001-09-10 2002-07-11 Magnetplattenlaufwerk und Steuerverfahren dafür Expired - Lifetime DE60228799D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001272997A JP2003085902A (ja) 2001-09-10 2001-09-10 磁気ディスク装置

Publications (1)

Publication Number Publication Date
DE60228799D1 true DE60228799D1 (de) 2008-10-23

Family

ID=19098272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228799T Expired - Lifetime DE60228799D1 (de) 2001-09-10 2002-07-11 Magnetplattenlaufwerk und Steuerverfahren dafür

Country Status (5)

Country Link
US (1) US6909575B2 (de)
EP (1) EP1291852B1 (de)
JP (1) JP2003085902A (de)
KR (1) KR100505777B1 (de)
DE (1) DE60228799D1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6892275B2 (en) * 2002-02-05 2005-05-10 Quantum Corporation Storage system utilizing an active subset of drives during data storage and retrieval operations
US6995945B2 (en) * 2002-10-28 2006-02-07 Matsushita Electric Industrial Co., Ltd. Head positioning system, disk drive apparatus using the same, and head positioning method
US6937427B2 (en) * 2003-06-19 2005-08-30 Seagate Technology Llc Method and apparatus for measuring the back EMF of a disc drive VCM
US6995946B2 (en) * 2003-06-27 2006-02-07 Seagate Technology Llc Temperature compensation of seek profiles in data storage devices
US7136247B2 (en) * 2003-09-30 2006-11-14 Hitachi Global Storage Technologies Netherlands B.V. Drive temperature self-adjustment for temperature-sensitive measurements
US6934107B2 (en) * 2003-09-30 2005-08-23 Hitachi Global Storage Technologies Netherlands B.V. Hard disk drive having drive temperature self-adjustment for temperature-sensitive measurements
JP4408213B2 (ja) 2003-11-18 2010-02-03 東芝ストレージデバイス株式会社 記憶装置及びアクチュエータの移動制御方法
US7609472B2 (en) * 2004-06-01 2009-10-27 Hewlett-Packard Development Company, L.P. Power and thermal management for a hard drive
KR100674915B1 (ko) * 2004-10-13 2007-01-26 삼성전자주식회사 스핀들 모터의 정상 속도 구동방법 및 장치
US7437502B1 (en) 2005-04-20 2008-10-14 Western Digital Technologies, Inc. Disk drive adjusting operating mode based on historical proximity of host commands
US7199966B1 (en) 2005-06-28 2007-04-03 Western Digital Technologies, Inc. Disk drive adjusting seek profile for variable seek times to reduce power dissipation
US7656600B2 (en) * 2006-08-25 2010-02-02 Seagate Technology Llc Monitoring transducer potential to detect an operating condition
US7450334B1 (en) 2007-06-28 2008-11-11 Western Digital Technologies, Inc. Disk drive adjusting predictive caching based on temperature of voice coil motor
JP2010049769A (ja) * 2008-08-25 2010-03-04 Toshiba Storage Device Corp 記憶装置、記憶装置の制御方法、および記憶装置の制御回路
US8090902B1 (en) 2009-05-22 2012-01-03 Western Digital Technologies, Inc. Disk drive adjusting command execution in response to control circuitry die temperature
JP4947674B2 (ja) * 2010-11-02 2012-06-06 ルネサスエレクトロニクス株式会社 モータ駆動用半導体集積回路およびモータ用半導体集積回路
US9136787B2 (en) * 2012-10-25 2015-09-15 Texas Instruments Incorporated Back EMF monitor for motor control
EP3261426B1 (de) 2015-02-24 2020-04-01 AGCO Corporation Verschlussgliedanordnung für arbeitsmaschinenanhängerkupplung
JP2018156705A (ja) 2017-03-16 2018-10-04 株式会社東芝 磁気ディスク装置
JP2018156706A (ja) * 2017-03-17 2018-10-04 株式会社東芝 磁気ディスク装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3352715B2 (ja) * 1992-03-23 2002-12-03 松下電器産業株式会社 磁気ディスク装置のヘッド位置決め装置
JP2692774B2 (ja) 1992-05-29 1997-12-17 インターナショナル・ビジネス・マシーンズ・コーポレイション 光ドライブ装置の動作温度を動的に制御する装置及び方法
JP2902921B2 (ja) * 1993-12-02 1999-06-07 富士通株式会社 ディスク装置の温度検出／制御方法
US5844743A (en) * 1996-12-20 1998-12-01 Seagate Technology, Inc. Velocity sensing using actuator coil back-emf voltage
US5898286A (en) * 1997-01-13 1999-04-27 International Business Machines Corporation Digital servo control system for a data recording disk file with improved saturation modelling
JP3803489B2 (ja) * 1998-05-29 2006-08-02 シーケーディ株式会社 モータ制御装置
JP3607513B2 (ja) * 1998-11-30 2005-01-05 株式会社東芝 ヘッドロード／アンロード方式のディスク装置に適用される速度補正値キャリブレーション方法
JP2000222837A (ja) * 1999-02-01 2000-08-11 Toshiba Corp ディスク記憶装置
JP2001067765A (ja) * 1999-08-31 2001-03-16 Hitachi Ltd 磁気ディスク装置及びその制御方法
US6690536B1 (en) * 2000-10-31 2004-02-10 Western Digital Technologies, Inc. Disk drive employing VCM demand current to calibrate VCM IR voltage for velocity control of an actuator arm

Also Published As

Publication number Publication date
KR20030022682A (ko) 2003-03-17
EP1291852B1 (de) 2008-09-10
EP1291852A3 (de) 2003-10-22
US6909575B2 (en) 2005-06-21
JP2003085902A (ja) 2003-03-20
EP1291852A2 (de) 2003-03-12
KR100505777B1 (ko) 2005-08-04
US20030048571A1 (en) 2003-03-13

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