WO2009057457A1 - ディスク装置 - Google Patents
ディスク装置 Download PDFInfo
- Publication number
- WO2009057457A1 WO2009057457A1 PCT/JP2008/068754 JP2008068754W WO2009057457A1 WO 2009057457 A1 WO2009057457 A1 WO 2009057457A1 JP 2008068754 W JP2008068754 W JP 2008068754W WO 2009057457 A1 WO2009057457 A1 WO 2009057457A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- variable gain
- gain circuit
- input
- resonant filter
- resonant
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
- G11B19/041—Detection or prevention of read or write errors
- G11B19/042—Detection or prevention of read or write errors due to external shock or vibration
-
- 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
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Feedback Control In General (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/740,242 US8488268B2 (en) | 2007-10-30 | 2008-10-16 | Disk device |
CN2008801138401A CN101842841B (zh) | 2007-10-30 | 2008-10-16 | 盘装置 |
KR1020107009222A KR101120843B1 (ko) | 2007-10-30 | 2008-10-16 | 디스크 장치 |
JP2009539002A JP4827973B2 (ja) | 2007-10-30 | 2008-10-16 | ディスク装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007281768 | 2007-10-30 | ||
JP2007-281768 | 2007-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009057457A1 true WO2009057457A1 (ja) | 2009-05-07 |
Family
ID=40590849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/068754 WO2009057457A1 (ja) | 2007-10-30 | 2008-10-16 | ディスク装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8488268B2 (ja) |
JP (1) | JP4827973B2 (ja) |
KR (1) | KR101120843B1 (ja) |
CN (1) | CN101842841B (ja) |
WO (1) | WO2009057457A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011008885A (ja) * | 2009-06-27 | 2011-01-13 | Hitachi Global Storage Technologies Netherlands Bv | ディスク・ドライブ及びそのサーボ制御方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105374372A (zh) | 2014-08-28 | 2016-03-02 | 株式会社东芝 | 盘装置及控制装置 |
JP6571572B2 (ja) * | 2016-03-24 | 2019-09-04 | ファナック株式会社 | サーボ制御装置、サーボ制御方法及びサーボ制御プログラム |
JP6794393B2 (ja) | 2018-03-01 | 2020-12-02 | 株式会社東芝 | 磁気ディスク装置、及びアクチュエータの制御方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05144047A (ja) * | 1991-11-20 | 1993-06-11 | Ricoh Co Ltd | デイスク装置 |
JPH0950303A (ja) * | 1995-08-04 | 1997-02-18 | Mitsubishi Electric Corp | 繰り返し補償器およびこの繰り返し補償器を備えたディスク装置 |
JP2000021104A (ja) * | 1998-06-30 | 2000-01-21 | Fujitsu Ltd | ディスク記憶装置の制御方法及び制御装置 |
JP2000048499A (ja) * | 1998-07-31 | 2000-02-18 | Sony Corp | ヘッド位置決め制御装置及びその方法並びにディスク装置 |
JP2001283543A (ja) * | 2000-03-30 | 2001-10-12 | Fujitsu Ltd | ディスク装置のヘッド位置制御方法及び制御装置 |
JP2002230928A (ja) * | 2001-01-31 | 2002-08-16 | Toshiba Corp | ヘッド位置決め制御システム及び方法 |
JP2003123415A (ja) * | 2001-10-16 | 2003-04-25 | Matsushita Electric Ind Co Ltd | 磁気ディスクの偏心制御方法及び偏心制御方法を記録した記録媒体並びに偏心制御方法を用いた磁気ディスク装置 |
JP2004342298A (ja) * | 2003-05-12 | 2004-12-02 | Hitachi Global Storage Technologies Netherlands Bv | データ記憶装置の繰り返しランアウト(rro)の補正方法および装置 |
JP2007242148A (ja) * | 2006-03-09 | 2007-09-20 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2757357B2 (ja) * | 1987-02-13 | 1998-05-25 | ソニー株式会社 | 回転記録媒体に対するサーボ回路 |
JPH05217315A (ja) | 1992-02-04 | 1993-08-27 | Matsushita Graphic Commun Syst Inc | サーボループゲイン調整方法及びサーボ制御装置 |
US5608586A (en) * | 1994-10-21 | 1997-03-04 | International Business Machines Corporation | Robust servo for disk-shift compensation in rotating storage system |
US5663847A (en) * | 1995-03-27 | 1997-09-02 | Abramovitch; Daniel Y. | Rejection of disturbances on a disk drive by use of an accelerometer |
JPH1166695A (ja) * | 1997-08-13 | 1999-03-09 | Internatl Business Mach Corp <Ibm> | ディスクドライブ装置、サーボ制御装置及び制御装置 |
US6421200B2 (en) * | 1998-06-30 | 2002-07-16 | Fujitsu Limited | Control method and control device for a disk storage device |
JP2001076451A (ja) * | 1999-09-06 | 2001-03-23 | Toshiba Corp | ディスク記憶装置におけるヘッド位置決め制御システム及びヘッド位置決め制御方法 |
JP2004503893A (ja) * | 2000-06-09 | 2004-02-05 | シーゲイト テクノロジー エルエルシー | ディスク・ドライブ・システムの整定モード中のアクチュエータ・アーム振動を減少する方法および装置 |
US6690534B2 (en) * | 2000-06-14 | 2004-02-10 | Seagate Technology Llc | Method and apparatus for handling multiple resonance frequencies in disc drives using active damping |
US7054094B2 (en) * | 2000-12-12 | 2006-05-30 | Seagate Technology Llc | Real-time automatic loop-shaping for a disc drive servo control system |
JP4010867B2 (ja) | 2002-05-14 | 2007-11-21 | 株式会社日立グローバルストレージテクノロジーズ | 位置決め制御装置 |
JP2004234712A (ja) | 2003-01-28 | 2004-08-19 | Canon Inc | 光ディスク装置 |
CN1925018A (zh) * | 2005-09-02 | 2007-03-07 | 上海乐金广电电子有限公司 | 光盘驱动器的伺服***调节装置 |
JP2008052794A (ja) | 2006-08-23 | 2008-03-06 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置 |
-
2008
- 2008-10-16 WO PCT/JP2008/068754 patent/WO2009057457A1/ja active Application Filing
- 2008-10-16 CN CN2008801138401A patent/CN101842841B/zh not_active Expired - Fee Related
- 2008-10-16 US US12/740,242 patent/US8488268B2/en not_active Expired - Fee Related
- 2008-10-16 KR KR1020107009222A patent/KR101120843B1/ko not_active IP Right Cessation
- 2008-10-16 JP JP2009539002A patent/JP4827973B2/ja not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05144047A (ja) * | 1991-11-20 | 1993-06-11 | Ricoh Co Ltd | デイスク装置 |
JPH0950303A (ja) * | 1995-08-04 | 1997-02-18 | Mitsubishi Electric Corp | 繰り返し補償器およびこの繰り返し補償器を備えたディスク装置 |
JP2000021104A (ja) * | 1998-06-30 | 2000-01-21 | Fujitsu Ltd | ディスク記憶装置の制御方法及び制御装置 |
JP2000048499A (ja) * | 1998-07-31 | 2000-02-18 | Sony Corp | ヘッド位置決め制御装置及びその方法並びにディスク装置 |
JP2001283543A (ja) * | 2000-03-30 | 2001-10-12 | Fujitsu Ltd | ディスク装置のヘッド位置制御方法及び制御装置 |
JP2002230928A (ja) * | 2001-01-31 | 2002-08-16 | Toshiba Corp | ヘッド位置決め制御システム及び方法 |
JP2003123415A (ja) * | 2001-10-16 | 2003-04-25 | Matsushita Electric Ind Co Ltd | 磁気ディスクの偏心制御方法及び偏心制御方法を記録した記録媒体並びに偏心制御方法を用いた磁気ディスク装置 |
JP2004342298A (ja) * | 2003-05-12 | 2004-12-02 | Hitachi Global Storage Technologies Netherlands Bv | データ記憶装置の繰り返しランアウト(rro)の補正方法および装置 |
JP2007242148A (ja) * | 2006-03-09 | 2007-09-20 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ディスク装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011008885A (ja) * | 2009-06-27 | 2011-01-13 | Hitachi Global Storage Technologies Netherlands Bv | ディスク・ドライブ及びそのサーボ制御方法 |
US8553348B2 (en) | 2009-06-27 | 2013-10-08 | HGST Netherlands B.V. | Disk drive and servo-control method therefor |
Also Published As
Publication number | Publication date |
---|---|
JP4827973B2 (ja) | 2011-11-30 |
US8488268B2 (en) | 2013-07-16 |
KR101120843B1 (ko) | 2012-03-16 |
US20100321819A1 (en) | 2010-12-23 |
CN101842841A (zh) | 2010-09-22 |
JPWO2009057457A1 (ja) | 2011-03-10 |
KR20100057097A (ko) | 2010-05-28 |
CN101842841B (zh) | 2012-12-12 |
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