SG120083A1 - Disk storage apparatus and disk storage apparatus control method - Google Patents

Disk storage apparatus and disk storage apparatus control method

Info

Publication number
SG120083A1
SG120083A1 SG200207156A SG200207156A SG120083A1 SG 120083 A1 SG120083 A1 SG 120083A1 SG 200207156 A SG200207156 A SG 200207156A SG 200207156 A SG200207156 A SG 200207156A SG 120083 A1 SG120083 A1 SG 120083A1
Authority
SG
Singapore
Prior art keywords
disk storage
storage apparatus
control method
apparatus control
disk
Prior art date
Application number
SG200207156A
Other languages
English (en)
Inventor
Inaji Toshio
Kohso Hiroshi
Miyata Keizo
Umeda Makoto
Original Assignee
Matsushita Electric Ind Co 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of SG120083A1 publication Critical patent/SG120083A1/en

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
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. 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
    • G11B5/59694—System adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
SG200207156A 2001-11-28 2002-11-27 Disk storage apparatus and disk storage apparatus control method SG120083A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001362719 2001-11-28
JP2002135121 2002-05-10

Publications (1)

Publication Number Publication Date
SG120083A1 true SG120083A1 (en) 2006-03-28

Family

ID=26624740

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200207156A SG120083A1 (en) 2001-11-28 2002-11-27 Disk storage apparatus and disk storage apparatus control method

Country Status (5)

Country Link
US (1) US6950274B2 (de)
EP (1) EP1316956A3 (de)
KR (1) KR20030043769A (de)
CN (1) CN1287383C (de)
SG (1) SG120083A1 (de)

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US7177106B2 (en) * 2001-02-26 2007-02-13 Matsushita Electric Industrial Co., Ltd. Disk storage apparatus
KR100604863B1 (ko) * 2004-05-29 2006-07-26 삼성전자주식회사 헤드의 진동에 의한 영향을 회피하기 위한 하드디스크 드라이브의 기록 제어 방법 및 이에 적합한 장치
WO2006011203A1 (ja) * 2004-07-29 2006-02-02 Mitsubishi Denki Kabushiki Kaisha 位置制御装置及びその制御方法
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
US7440225B1 (en) 2006-08-21 2008-10-21 Western Digital Technologies, Inc. Disk drive employing pivot friction compensation
US20080088962A1 (en) * 2006-10-17 2008-04-17 Samsung Electronics Co., Ltd. Detection of HDI in disk drives using read back signal
US7460329B2 (en) * 2006-10-25 2008-12-02 Seagate Technology Llc Feedforward compensator for induced vibration
JP4970184B2 (ja) 2007-07-30 2012-07-04 株式会社東芝 記憶装置、制御方法及び制御装置
DE102007042291A1 (de) * 2007-09-06 2009-03-12 Deutsche Thomson Ohg Schwingarm-Aktuator für eine Abtasteinrichtung
US7471483B1 (en) * 2007-09-19 2008-12-30 Western Digital Technologies, Inc. Disk drive compensating for rotational vibrations, physical shocks, and thermal popping
US8988811B1 (en) * 2008-05-23 2015-03-24 Western Digital Technologies, Inc. Disk drive toggling VCM inductor compensation to reduce acoustic noise
KR101005253B1 (ko) * 2008-09-19 2011-01-04 (주)포트텍 화재감지튜브 부착형 자동소화장치
KR20120019019A (ko) * 2010-08-24 2012-03-06 삼성전자주식회사 외란 보상 방법 및 장치와 이를 적용한 디스크 드라이브 및 저장매체
US8896955B1 (en) 2010-08-31 2014-11-25 Western Digital Technologies, Inc. Adaptive track follow control
US8737013B2 (en) 2011-11-16 2014-05-27 Western Digital Technologies, Inc. Disk drive selecting disturbance signal for feed-forward compensation
US8634158B1 (en) 2011-11-16 2014-01-21 Western Digital Technologies, Inc. Disk drive generating feed-forward actuator compensation based on a speaker driver signal
US8830617B1 (en) * 2013-05-30 2014-09-09 Western Digital Technologies, Inc. Disk drive adjusting state estimator to compensate for unreliable servo data
US9698683B2 (en) * 2014-07-11 2017-07-04 Infineon Technologies Austria Ag Method and apparatus for controller optimization of a switching voltage regulator
US9111575B1 (en) 2014-10-23 2015-08-18 Western Digital Technologies, Inc. Data storage device employing adaptive feed-forward control in timing loop to compensate for vibration
US9466330B1 (en) * 2015-11-12 2016-10-11 Kabushiki Kaisha Toshiba Correction value calculating method, manufacturing method of disk drive, and disk drive
CN111050036B (zh) * 2018-10-15 2023-06-27 三星电机株式会社 相机模块的致动器
JP2022050037A (ja) * 2020-09-17 2022-03-30 株式会社東芝 磁気ディスク装置

Citations (7)

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US5402400A (en) * 1992-09-04 1995-03-28 Hitachi, Ltd. Method and apparatus for eliminating external disturbances in a disk drive device
US5465183A (en) * 1993-01-07 1995-11-07 Nec Corporation Control system for positioning head in disk device by estimating and correcting actuator parameters based on head position and actuator drive current obtained by vibrating the head
JPH08147039A (ja) * 1994-09-20 1996-06-07 Ricoh Co Ltd 位置制御装置
US5610487A (en) * 1994-05-19 1997-03-11 Maxtor Corporation Servo system with once per revolution rejection
EP0735522B1 (de) * 1995-03-27 1999-05-19 Hewlett-Packard Company Datenaufzeichnungs- und Wiedergabevorrichtung für Platten
JPH11353004A (ja) * 1998-06-08 1999-12-24 Sanyo Electric Co Ltd 外乱抑制装置
JP2000311454A (ja) * 1999-04-28 2000-11-07 Matsushita Electric Ind Co Ltd ディスク装置

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US4947093A (en) 1988-11-25 1990-08-07 Micropolis Corporation Shock resistant winchester disk drive
JP2714149B2 (ja) 1989-06-28 1998-02-16 株式会社日立製作所 デイスク装置
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JPH04308901A (ja) * 1991-04-05 1992-10-30 Nec Corp 状態推定器と磁気ディスク装置の位置決め制御回路
US5384676A (en) * 1991-04-19 1995-01-24 Mitsubishi Denki Kabushiki Kaisha Magnetic head position controller in a magnetic recording and reproducing apparatus
SG65558A1 (en) * 1991-05-13 1999-06-22 Mitsubishi Electric Corp A magnetic recording and reproducing apparatus
JP2996772B2 (ja) 1991-07-04 2000-01-11 シチズン時計株式会社 磁気ディスクアセンブリ装置
JPH0562385A (ja) 1991-08-30 1993-03-12 Nec Corp 磁気デイスク装置の磁気ヘツド位置決め方法およびその装置
US5491394A (en) * 1993-08-20 1996-02-13 Maxtor Corporation Acceleration sensing write disable system utilizing actuator arm coil
US5654840A (en) 1994-06-30 1997-08-05 Western Digital Corporation Hard disk drive which uses the back EMF of the actuator to detect shocks
JP2980545B2 (ja) * 1995-09-25 1999-11-22 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 デイスク装置およびデイスク装置におけるヘッド位置制御方法
JPH09231701A (ja) 1996-02-21 1997-09-05 Hitachi Ltd ヘッド位置決め制御方法
US6097564A (en) * 1996-06-05 2000-08-01 Mobile Storage Technology Inc. Method for precise velocity feedback control in an actuator system of a disk drive
US5949608A (en) * 1996-06-05 1999-09-07 Mobile Storage Technology Inc. Time dependent velocity-controlled disk drive actuator system
US5781363A (en) 1996-10-15 1998-07-14 International Business Machines Corporation Servo-free velocity estimator for coil driven actuator arm in a data storage drive
US5844743A (en) 1996-12-20 1998-12-01 Seagate Technology, Inc. Velocity sensing using actuator coil back-emf voltage
TW445446B (en) * 1998-07-20 2001-07-11 Ibm Adaptive vibration control for servo systems in data storage devices
US6359748B1 (en) 1998-12-09 2002-03-19 Seagate Technology, Inc. Electronically damped flexure based actuator system
JP2000322812A (ja) * 1999-05-10 2000-11-24 Matsushita Electric Ind Co Ltd 磁気ディスク装置、その磁気ヘッドの復帰方法及びそのプログラムを記録した記録媒体
US6661599B1 (en) * 1999-08-27 2003-12-09 Seagate Technology Llc Enhanced adaptive feedforward control to cancel once-per-revolution disturbance by shaping the internal mode

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402400A (en) * 1992-09-04 1995-03-28 Hitachi, Ltd. Method and apparatus for eliminating external disturbances in a disk drive device
US5465183A (en) * 1993-01-07 1995-11-07 Nec Corporation Control system for positioning head in disk device by estimating and correcting actuator parameters based on head position and actuator drive current obtained by vibrating the head
US5610487A (en) * 1994-05-19 1997-03-11 Maxtor Corporation Servo system with once per revolution rejection
JPH08147039A (ja) * 1994-09-20 1996-06-07 Ricoh Co Ltd 位置制御装置
EP0735522B1 (de) * 1995-03-27 1999-05-19 Hewlett-Packard Company Datenaufzeichnungs- und Wiedergabevorrichtung für Platten
JPH11353004A (ja) * 1998-06-08 1999-12-24 Sanyo Electric Co Ltd 外乱抑制装置
JP2000311454A (ja) * 1999-04-28 2000-11-07 Matsushita Electric Ind Co Ltd ディスク装置

Also Published As

Publication number Publication date
KR20030043769A (ko) 2003-06-02
CN1287383C (zh) 2006-11-29
US20030123182A1 (en) 2003-07-03
CN1441434A (zh) 2003-09-10
US6950274B2 (en) 2005-09-27
EP1316956A2 (de) 2003-06-04
EP1316956A3 (de) 2004-07-21

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