JP5308799B2 - ディスク・ドライブ及びそのヘッドのサーボ制御方法 - Google Patents

ディスク・ドライブ及びそのヘッドのサーボ制御方法 Download PDF

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JP5308799B2
JP5308799B2 JP2008310335A JP2008310335A JP5308799B2 JP 5308799 B2 JP5308799 B2 JP 5308799B2 JP 2008310335 A JP2008310335 A JP 2008310335A JP 2008310335 A JP2008310335 A JP 2008310335A JP 5308799 B2 JP5308799 B2 JP 5308799B2
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Japan
Prior art keywords
peak
filter
peak filter
gain
frequency
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Expired - Fee Related
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JP2008310335A
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Japanese (ja)
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JP2010135006A (ja
JP2010135006A5 (https=
Inventor
千佳子 坂上
和久 宍田
勲 米田
和明 薄井
博 内田
齋藤　　健
謙二 富田
武憲 熱海
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エイチジーエスティーネザーランドビーブイ
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Priority to JP2008310335A priority Critical patent/JP5308799B2/ja
Priority to US12/631,729 priority patent/US8059356B2/en
Publication of JP2010135006A publication Critical patent/JP2010135006A/ja
Publication of JP2010135006A5 publication Critical patent/JP2010135006A5/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
    • 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
    • G11B5/59605—Circuits
    • G11B5/59622—Gain control; Filters

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
JP2008310335A 2008-12-04 2008-12-04 ディスク・ドライブ及びそのヘッドのサーボ制御方法 Expired - Fee Related JP5308799B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008310335A JP5308799B2 (ja) 2008-12-04 2008-12-04 ディスク・ドライブ及びそのヘッドのサーボ制御方法
US12/631,729 US8059356B2 (en) 2008-12-04 2009-12-04 Disk drive and method for head servo control of the disk drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008310335A JP5308799B2 (ja) 2008-12-04 2008-12-04 ディスク・ドライブ及びそのヘッドのサーボ制御方法

Publications (3)

Publication Number Publication Date
JP2010135006A JP2010135006A (ja) 2010-06-17
JP2010135006A5 JP2010135006A5 (https=) 2011-12-22
JP5308799B2 true JP5308799B2 (ja) 2013-10-09

Family

ID=42230769

Family Applications (1)

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JP2008310335A Expired - Fee Related JP5308799B2 (ja) 2008-12-04 2008-12-04 ディスク・ドライブ及びそのヘッドのサーボ制御方法

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Country Link
US (1) US8059356B2 (https=)
JP (1) JP5308799B2 (https=)

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US7884566B2 (en) * 2008-05-15 2011-02-08 Honeywell International Inc. Adaptive servo control system and method
JP2010073284A (ja) * 2008-09-19 2010-04-02 Hitachi Global Storage Technologies Netherlands Bv ヘッドのサーボ制御システム及びヘッドのサーボ制御方法
US20100157765A1 (en) * 2008-12-19 2010-06-24 Seagate Technology Llc Collection of readback signal modulation data
DE112012004848B9 (de) * 2011-11-22 2018-03-22 Mitsubishi Electric Corporation Motorregelungsvorrichtung
US20140168806A1 (en) * 2012-12-17 2014-06-19 HGST Netherlands B.V. Disk Drive Write-Inhibit Control Using Adaptive PES Predictor
US10033319B2 (en) * 2015-09-01 2018-07-24 Rockwell Automation Technologies, Inc. Method for tuning a motor drive using frequency response
US9997185B1 (en) 2017-11-20 2018-06-12 Western Digital Technologies, Inc. Data storage device employing upsampling to compensate for high frequency repeatable runout
JP2020042871A (ja) * 2018-09-10 2020-03-19 株式会社東芝 磁気ディスク装置及び高調波を持つ外乱成分の抑制方法

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US5321559A (en) * 1992-08-27 1994-06-14 Quantum Corporation Asynchronous peak detection of information embedded within PRML class IV sampling data detection channel
JPH08115579A (ja) * 1994-10-17 1996-05-07 Hitachi Ltd 回転型記憶装置
JPH0927164A (ja) * 1995-07-11 1997-01-28 Matsushita Electric Ind Co Ltd 光ディスク制振制御装置
JPH0997401A (ja) * 1995-09-29 1997-04-08 Toshiba Corp データ記録再生装置用衝撃検出回路、同衝撃検出回路を有するデータ記録再生装置、及び同衝撃検出回路に適用するフィルタの感度設定方法
US6064540A (en) * 1998-03-30 2000-05-16 International Business Machines Corporation Active control for stabilizing a servo-controlled actuator system
KR100373575B1 (ko) * 1998-07-20 2003-02-26 인터내셔널 비지네스 머신즈 코포레이션 데이터 기억 장치 내의 서보 시스템용 적응 진동 제어
US6487028B1 (en) * 1999-03-25 2002-11-26 International Business Machines Corporation Servo system for disk-flutter in rotating storage systems
US6614613B1 (en) * 2000-03-16 2003-09-02 International Business Machines Corporation Phase technique for active damping in a servo-controlled actuator
CN1208758C (zh) * 2000-06-09 2005-06-29 西加特技术有限责任公司 在磁盘驱动器伺服系统的设定模式期间减小传动器臂振荡
JP2003109336A (ja) * 2001-09-21 2003-04-11 Internatl Business Mach Corp <Ibm> 回転記録装置およびその制御方法
US7268968B2 (en) * 2004-09-30 2007-09-11 Hitachi Global Storage Technologies Netherlands B.V. Vibration suppression for servo control
JP2006139855A (ja) * 2004-11-12 2006-06-01 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置
JP4150032B2 (ja) * 2005-06-27 2008-09-17 富士通株式会社 ヘッド位置制御方法、ヘッド位置制御装置およびディスク装置
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
US7345841B2 (en) * 2006-02-07 2008-03-18 Hitachi Global Storage Technologies Netherlands B.V. Disk drive using a disturbance sensor for disturbance frequency-identification and suppression
US7375916B2 (en) * 2006-03-17 2008-05-20 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with multiple feedforward controllers for rotational vibration cancellation
JP2007335011A (ja) * 2006-06-15 2007-12-27 Fujitsu Ltd コントローラ特性変更装置、記憶装置、コントローラ特性変更方法、およびコントローラ特性変更プログラム
KR100761855B1 (ko) * 2006-08-14 2007-09-28 삼성전자주식회사 적응적 외란 억제 방법 및 장치와 이를 이용한 디스크드라이브
JP2008052777A (ja) * 2006-08-22 2008-03-06 Hitachi Global Storage Technologies Netherlands Bv ドライブ装置
US7480112B2 (en) * 2007-03-28 2009-01-20 Kabushiki Kaisha Toshiba Disk drive apparatus having shock adaptive filters
JP5039943B2 (ja) * 2007-05-18 2012-10-03 エイチジーエスティーネザーランドビーブイ 磁気ディスク装置およびその制御方法
JP2009289373A (ja) * 2008-05-30 2009-12-10 Hitachi Global Storage Technologies Netherlands Bv ディスク装置

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Publication number Publication date
JP2010135006A (ja) 2010-06-17
US8059356B2 (en) 2011-11-15
US20100142082A1 (en) 2010-06-10

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