JP2010146614A - ディスク・ドライブ及びその制御方法 - Google Patents

ディスク・ドライブ及びその制御方法 Download PDF

Info

Publication number
JP2010146614A
JP2010146614A JP2008320330A JP2008320330A JP2010146614A JP 2010146614 A JP2010146614 A JP 2010146614A JP 2008320330 A JP2008320330 A JP 2008320330A JP 2008320330 A JP2008320330 A JP 2008320330A JP 2010146614 A JP2010146614 A JP 2010146614A
Authority
JP
Japan
Prior art keywords
frequency
disk drive
vibration
resonance frequency
output
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.)
Pending
Application number
JP2008320330A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010146614A5 (enExample
Inventor
Toshiaki Wada
敏明 和田
Togen Ri
東元 李
Xiaotian Sun
曉天 孫
Fu-Ying Huang
フーイン・フアン
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 Netherlands BV
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
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 Netherlands BV, Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Priority to JP2008320330A priority Critical patent/JP2010146614A/ja
Priority to US12/639,016 priority patent/US20110085260A1/en
Publication of JP2010146614A publication Critical patent/JP2010146614A/ja
Publication of JP2010146614A5 publication Critical patent/JP2010146614A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
JP2008320330A 2008-12-16 2008-12-16 ディスク・ドライブ及びその制御方法 Pending JP2010146614A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008320330A JP2010146614A (ja) 2008-12-16 2008-12-16 ディスク・ドライブ及びその制御方法
US12/639,016 US20110085260A1 (en) 2008-12-16 2009-12-16 Disk drive and servo control method for the disk drive that is responsive to vibration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008320330A JP2010146614A (ja) 2008-12-16 2008-12-16 ディスク・ドライブ及びその制御方法

Publications (2)

Publication Number Publication Date
JP2010146614A true JP2010146614A (ja) 2010-07-01
JP2010146614A5 JP2010146614A5 (enExample) 2012-01-12

Family

ID=42566897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008320330A Pending JP2010146614A (ja) 2008-12-16 2008-12-16 ディスク・ドライブ及びその制御方法

Country Status (2)

Country Link
US (1) US20110085260A1 (enExample)
JP (1) JP2010146614A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8885283B1 (en) * 2011-11-03 2014-11-11 Western Digital Technologies, Inc. Disk drive adjusting write block size based on detected vibration
US8908316B2 (en) 2011-12-05 2014-12-09 HGST Netherlands B.V. Disk drive with write clock frequency compensation for external vibration disturbance
US8634159B2 (en) 2012-03-22 2014-01-21 HGST Netherlands B.V. Magnetic recording disk drive with three sensors for rotational and linear vibration compensation
US8922937B1 (en) * 2012-04-19 2014-12-30 Western Digital Technologies, Inc. Disk drive evaluating multiple vibration sensor outputs to enable write-protection
US9520823B2 (en) * 2014-10-22 2016-12-13 Semiconductor Components Industries, Llc Control circuit and method
US9564162B1 (en) * 2015-12-28 2017-02-07 Western Digital Technologies, Inc. Data storage device measuring resonant frequency of a shock sensor by applying differential excitation and measuring oscillation
US9832050B1 (en) 2016-07-15 2017-11-28 Western Digital Technologies, Inc. Shock sensor resonance detection for notch filter tuning
JP2019160357A (ja) * 2018-03-08 2019-09-19 株式会社東芝 磁気ディスク装置
US20250166662A1 (en) * 2023-11-21 2025-05-22 Western Digital Technologies, Inc. Data storage device with self-learning oscillation detector

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08115579A (ja) * 1994-10-17 1996-05-07 Hitachi Ltd 回転型記憶装置
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
JP2001344881A (ja) * 2000-06-01 2001-12-14 Fujitsu Ltd ディスク装置の制御方法およびディスク装置
JP2002133804A (ja) * 2000-10-27 2002-05-10 Hitachi Ltd ディスク装置
JP2003346439A (ja) * 2002-05-29 2003-12-05 Internatl Business Mach Corp <Ibm> データ記憶装置、制御装置、オフトラック制御方法及び制御方法
JP2008243349A (ja) * 2007-03-28 2008-10-09 Toshiba Corp 衝撃適応フィルタを備えるディスクドライブ装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5663847A (en) * 1995-03-27 1997-09-02 Abramovitch; Daniel Y. Rejection of disturbances on a disk drive by use of an accelerometer
US6914743B1 (en) * 2000-11-30 2005-07-05 Western Digital Technologies, Inc. Vibration cancellation in a disk drive by using an acceleration sensor and adaptively adjusting its gain to minimize external acceleration effects
US6538839B1 (en) * 2001-01-31 2003-03-25 Western Digital Technologies, Inc. Disk drive employing adaptive feed-forward vibration compensation to enhance a retry operation
US6744577B1 (en) * 2001-03-23 2004-06-01 Maxtor Corporation Piezoelectric actuator and shock sensor
JP4170075B2 (ja) * 2002-11-20 2008-10-22 富士通株式会社 記録媒体駆動装置
JP4202948B2 (ja) * 2004-02-23 2008-12-24 富士通株式会社 記録ディスク駆動装置および組み込み部品
US7177113B1 (en) * 2005-08-03 2007-02-13 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with switchable rotational vibration cancellation
US7468857B2 (en) * 2006-02-10 2008-12-23 Maxtor Corporation Acceleration feed-forward correction enabled or disabled based on track follow loop signals
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
US8184389B2 (en) * 2006-04-14 2012-05-22 Seagate Technology Llc Sensor resonant frequency identification and filter tuning
US7580217B2 (en) * 2007-01-02 2009-08-25 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with hybrid analog-digital acceleration feedforward control system and method for rejecting rotational vibration
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
US7852588B1 (en) * 2008-06-23 2010-12-14 Western Digital Technologies, Inc. Disk drive adjusting gain of shock detector relative to resonant frequency amplitude
US8132459B2 (en) * 2008-09-13 2012-03-13 Texas Instruments Incorporated System and method to determine mechanical resonance of an accelerometer
JP2010079993A (ja) * 2008-09-26 2010-04-08 Toshiba Storage Device Corp 記憶装置および記憶装置の調整方法
US20100079906A1 (en) * 2008-09-29 2010-04-01 Wile Donald T Adaptive Feed Forward Rotational Vibration Compensation During a SEEK Operation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08115579A (ja) * 1994-10-17 1996-05-07 Hitachi Ltd 回転型記憶装置
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
JP2001344881A (ja) * 2000-06-01 2001-12-14 Fujitsu Ltd ディスク装置の制御方法およびディスク装置
JP2002133804A (ja) * 2000-10-27 2002-05-10 Hitachi Ltd ディスク装置
JP2003346439A (ja) * 2002-05-29 2003-12-05 Internatl Business Mach Corp <Ibm> データ記憶装置、制御装置、オフトラック制御方法及び制御方法
JP2008243349A (ja) * 2007-03-28 2008-10-09 Toshiba Corp 衝撃適応フィルタを備えるディスクドライブ装置

Also Published As

Publication number Publication date
US20110085260A1 (en) 2011-04-14

Similar Documents

Publication Publication Date Title
JP2010146614A (ja) ディスク・ドライブ及びその制御方法
CN101025927B (zh) 使用用于扰动频率识别和抑制的扰动传感器的盘驱动器
CN100447864C (zh) 磁盘驱动器及其控制方法
CN1074565C (zh) 带有基于磁致电阻磁头的热阻信号的冲击检测的磁盘驱动器
JP4785148B2 (ja) 記憶装置、制御方法及び記憶装置の制御装置
US5491394A (en) Acceleration sensing write disable system utilizing actuator arm coil
CN101359478A (zh) 存储装置、控制方法和控制设备
US7808739B2 (en) Disk drive device and servo control method thereof
US20030002183A1 (en) Head contact detector
JP2007184023A (ja) ディスク・ドライブ及びその制御方法
JP2006221733A (ja) データ記憶装置及びその制御方法
JP2008251071A (ja) ディスク記憶装置及びサーボ欠陥検出方法
US7400467B1 (en) Methods and apparatus for managing write inhibit in response to a predictive metric
JP2007178295A (ja) 落下検出装置及び落下検出方法
US7564641B2 (en) Controller-characteristic changing apparatus, storage device, controller-characteristic changing method, and computer product
KR20090027148A (ko) 위치 결정 제어 시스템 및 위치 결정 제어 방법
JP5064666B2 (ja) データ記憶装置及びそのユーザ・データの書き込み制御方法
JP5226617B2 (ja) ディスク・ドライブ及びそのサーボ制御方法
JP2006221732A (ja) データ記憶装置及びその制御方法
JP4739027B2 (ja) データ記憶装置及びその欠陥領域管理方法
US7420762B2 (en) Head slap detecting device, storage device, head slap detecting method, and computer product
KR100640607B1 (ko) 데이터 저장 시스템의 이상 상태 복원 제어 방법 및 이를이용한 디스크 드라이브
JP3766205B2 (ja) 磁気ディスク装置及び同装置に適用するヘッド位置決め制御方法
JP2000251430A (ja) 磁気ディスク装置及び同装置に適用するヘッド衝突監視装置
JP2003141830A (ja) ディスク装置

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100510

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111116

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20111116

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121009

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20130305