CN101064169B - 磁盘驱动器和加载/卸载方法 - Google Patents

磁盘驱动器和加载/卸载方法 Download PDF

Info

Publication number
CN101064169B
CN101064169B CN2007101012078A CN200710101207A CN101064169B CN 101064169 B CN101064169 B CN 101064169B CN 2007101012078 A CN2007101012078 A CN 2007101012078A CN 200710101207 A CN200710101207 A CN 200710101207A CN 101064169 B CN101064169 B CN 101064169B
Authority
CN
China
Prior art keywords
voltage value
voice coil
vcm
preset voltage
disc driver
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 - Fee Related
Application number
CN2007101012078A
Other languages
English (en)
Chinese (zh)
Other versions
CN101064169A (zh
Inventor
米田勋
内田博
石桥和幸
茶碗谷健
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 Inc
Original Assignee
Hitachi Global Storage Technologies Inc
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 Inc filed Critical Hitachi Global Storage Technologies Inc
Publication of CN101064169A publication Critical patent/CN101064169A/zh
Application granted granted Critical
Publication of CN101064169B publication Critical patent/CN101064169B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/54Disposition 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
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5521Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/12Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Linear Motors (AREA)
CN2007101012078A 2006-04-24 2007-04-24 磁盘驱动器和加载/卸载方法 Expired - Fee Related CN101064169B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006-119351 2006-04-24
JP2006119351 2006-04-24
JP2006119351A JP2007293980A (ja) 2006-04-24 2006-04-24 磁気ディスク装置およびロード/アンロード方法

Publications (2)

Publication Number Publication Date
CN101064169A CN101064169A (zh) 2007-10-31
CN101064169B true CN101064169B (zh) 2010-06-23

Family

ID=38660944

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2007101012078A Expired - Fee Related CN101064169B (zh) 2006-04-24 2007-04-24 磁盘驱动器和加载/卸载方法

Country Status (3)

Country Link
US (1) US7558017B2 (enExample)
JP (1) JP2007293980A (enExample)
CN (1) CN101064169B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7559017B2 (en) 2006-12-22 2009-07-07 Google Inc. Annotation framework for video
JP4768840B2 (ja) 2009-07-24 2011-09-07 株式会社東芝 磁気ディスク装置のロード・アンロード制御方法及び装置
GB201006394D0 (en) * 2010-04-16 2010-06-02 Dyson Technology Ltd Controller for a brushless motor
JP2019160357A (ja) * 2018-03-08 2019-09-19 株式会社東芝 磁気ディスク装置
US10418055B1 (en) * 2018-04-26 2019-09-17 Seagate Technology Llc Dual-stage head suspension assembly having additional microactuator pair
CN113162512B (zh) * 2021-02-23 2022-09-23 歌尔股份有限公司 音圈电机及其控制方法和控制装置
US12334119B2 (en) * 2023-06-19 2025-06-17 Stmicroelectronics International N.V. Method of operating hard disk drives, corresponding control circuit, hard disk drive and processing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801384B2 (en) * 2000-09-14 2004-10-05 Samsung Electronics Co., Ltd. Voltage-constrained sinusoidal seek servo in hard disk drives
CN1637861A (zh) * 2003-12-15 2005-07-13 株式会社东芝 盘片驱动器中控制磁头卸载操作的装置和方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148240A (en) * 1998-03-06 2000-11-14 Quantum Corporation Method and apparatus for performing an open-loop current shaping for seeking acoustics reduction in a disk drive
JP2000021103A (ja) 1998-06-30 2000-01-21 Toshiba Corp 磁気ディスク装置のシーク制御方法
JP3549744B2 (ja) * 1998-09-21 2004-08-04 富士通株式会社 情報記憶装置及びその制御方法
US6441988B2 (en) * 1998-10-07 2002-08-27 Samsung Electronics Co., Ltd. Method and apparatus for reducing acoustic noise in a hard disk drive
JP3688522B2 (ja) 1999-07-30 2005-08-31 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置の制御方法
JP3856608B2 (ja) * 1999-11-29 2006-12-13 富士通株式会社 アクチュエータの速度制御装置及び記憶装置
JP4223667B2 (ja) * 2000-09-18 2009-02-12 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置
JP2002319257A (ja) * 2001-04-23 2002-10-31 Fujitsu Ltd ロード/アンロード動作制御方法及び記憶装置
US20060077588A1 (en) * 2004-10-12 2006-04-13 Teng-Yuan Shih Generalized sinusoidal trajectory for seek servomechanism of hard drives
US7180692B1 (en) * 2005-12-27 2007-02-20 Hitachi Global Storage Technologies Netherlands B.V. System and method for calibrating and controlling a fly-height actuator in a magnetic recording disk drive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6801384B2 (en) * 2000-09-14 2004-10-05 Samsung Electronics Co., Ltd. Voltage-constrained sinusoidal seek servo in hard disk drives
CN1637861A (zh) * 2003-12-15 2005-07-13 株式会社东芝 盘片驱动器中控制磁头卸载操作的装置和方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2000-222837A 2000.08.11

Also Published As

Publication number Publication date
CN101064169A (zh) 2007-10-31
US7558017B2 (en) 2009-07-07
JP2007293980A (ja) 2007-11-08
US20070258163A1 (en) 2007-11-08

Similar Documents

Publication Publication Date Title
CN101064169B (zh) 磁盘驱动器和加载/卸载方法
US8395341B1 (en) Repetitive error correction method for disk-drive spindle motor control systems
US20020054451A1 (en) VCM head position detection and control with back EMF
US20080231218A1 (en) Apparatus and method of driving motor, and drive apparatus using the same
US8766583B1 (en) Voltage mode using pseudo current limit
US7005820B2 (en) Apparatus for spindle bearing friction estimation for reliable disk drive startup
US7486039B2 (en) Method for determining the back electromotive force induced in a voice-coil motor driven in discontinuous mode
JP2000100075A (ja) デ―タ記憶媒体から読出される信号の相対及び絶対振幅を測定するシステム及び方法
US9396751B1 (en) Data storage device compensating for fabrication tolerances when measuring spindle motor current
US20070008646A1 (en) Seek control method of hard disk drive, recording medium storing method and hard disk drive adopting method
US7369352B2 (en) Apparatus, medium, and method with seek servo control considering temperature change
JPH02276491A (ja) ブラシレス直流モータの制御方法
CN1658313B (zh) 控制自适应主轴电动机的方法及利用该方法的盘驱动器
US20060197488A1 (en) Circuit and method for controlling motor
JP2007293980A5 (enExample)
US7400466B2 (en) Method and apparatus for driving spindle motor using adaptive feedforward control
US7961578B2 (en) Method and apparatus for generating synchronous clock for write operation in a disk drive
KR100712544B1 (ko) 직류 모터의 반복적 허위 속도 오차 보상 장치 및 방법과이를 이용한 디스크 드라이브
KR100688526B1 (ko) 공급 전압 변동을 고려한 탐색 서보 제어 방법 및 이를이용한 디스크 드라이브
JP2942130B2 (ja) 磁気ディスク装置
US9147428B1 (en) Disk drive with improved spin-up control
US8582230B2 (en) Hard disk drive, method for estimating back electromotive force, and method for controlling velocity of head
KR100761856B1 (ko) 시크 리트라이 조건에서의 서보 제어 방법 및 장치와 이를이용한 디스크 드라이브
JPH06338002A (ja) 光磁気記録用磁気ヘッド駆動装置
JPS6247884A (ja) サ−ボ情報検出方式

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100623

Termination date: 20190424

CF01 Termination of patent right due to non-payment of annual fee