JP2010146614A5 - - Google Patents

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Publication number
JP2010146614A5
JP2010146614A5 JP2008320330A JP2008320330A JP2010146614A5 JP 2010146614 A5 JP2010146614 A5 JP 2010146614A5 JP 2008320330 A JP2008320330 A JP 2008320330A JP 2008320330 A JP2008320330 A JP 2008320330A JP 2010146614 A5 JP2010146614 A5 JP 2010146614A5
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JP
Japan
Prior art keywords
mpu
vibration
controller
switch
motor driver
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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
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English (en)
Japanese (ja)
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JP2010146614A (ja
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Publication date
Application filed filed Critical
Priority to JP2008320330A priority Critical patent/JP2010146614A/ja
Priority claimed from JP2008320330A external-priority 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

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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 JP2010146614A (ja) 2010-07-01
JP2010146614A5 true 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

Family Cites Families (22)

* 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
US5663847A (en) * 1995-03-27 1997-09-02 Abramovitch; Daniel Y. Rejection of disturbances on a disk drive by use of an accelerometer
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
JP4213850B2 (ja) * 2000-06-01 2009-01-21 富士通株式会社 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
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
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
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
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
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

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