JP4996069B2 - 磁気ディスク装置及びその制御方法 - Google Patents

磁気ディスク装置及びその制御方法 Download PDF

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Publication number
JP4996069B2
JP4996069B2 JP2005184600A JP2005184600A JP4996069B2 JP 4996069 B2 JP4996069 B2 JP 4996069B2 JP 2005184600 A JP2005184600 A JP 2005184600A JP 2005184600 A JP2005184600 A JP 2005184600A JP 4996069 B2 JP4996069 B2 JP 4996069B2
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Japan
Prior art keywords
magnetic disk
sampler
position signal
characteristic
signal
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Expired - Fee Related
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JP2005184600A
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English (en)
Japanese (ja)
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JP2007004910A (ja
JP2007004910A5 (https=
Inventor
武憲 熱海
淳 奥山
真介 中川
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エイチジーエスティーネザーランドビーブイ
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Application filed by エイチジーエスティーネザーランドビーブイ filed Critical エイチジーエスティーネザーランドビーブイ
Priority to JP2005184600A priority Critical patent/JP4996069B2/ja
Priority to US11/475,384 priority patent/US7474494B2/en
Publication of JP2007004910A publication Critical patent/JP2007004910A/ja
Publication of JP2007004910A5 publication Critical patent/JP2007004910A5/ja
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    • 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
    • G11B5/59605—Circuits

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  • Moving Of The Head To Find And Align With The Track (AREA)
JP2005184600A 2005-06-24 2005-06-24 磁気ディスク装置及びその制御方法 Expired - Fee Related JP4996069B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005184600A JP4996069B2 (ja) 2005-06-24 2005-06-24 磁気ディスク装置及びその制御方法
US11/475,384 US7474494B2 (en) 2005-06-24 2006-06-26 Magnetic disk device with positioning control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005184600A JP4996069B2 (ja) 2005-06-24 2005-06-24 磁気ディスク装置及びその制御方法

Publications (3)

Publication Number Publication Date
JP2007004910A JP2007004910A (ja) 2007-01-11
JP2007004910A5 JP2007004910A5 (https=) 2008-08-07
JP4996069B2 true JP4996069B2 (ja) 2012-08-08

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ID=37567029

Family Applications (1)

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JP2005184600A Expired - Fee Related JP4996069B2 (ja) 2005-06-24 2005-06-24 磁気ディスク装置及びその制御方法

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US (1) US7474494B2 (https=)
JP (1) JP4996069B2 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7865254B2 (en) * 2007-01-11 2011-01-04 The Mathworks, Inc. Modeling of control systems with open-loop representations and factorization of components
JP2010102795A (ja) * 2008-10-24 2010-05-06 Toshiba Corp 磁気ディスク装置のヘッド位置決め制御方法
US8018670B1 (en) * 2008-10-28 2011-09-13 Marvell International Ltd. Evaluation apparatus
US20120106000A1 (en) * 2009-04-27 2012-05-03 Hitachi, Ltd. Head position control method and disk device
US8412360B2 (en) * 2010-08-23 2013-04-02 Hitachi Asia Ltd. Method and system for robust attenuation of mechanical resonances using a multi-rate low pass filter
US9099133B1 (en) 2013-01-29 2015-08-04 Western Digital Technologies, Inc. Disk drive servo control using hybrid upsample filter
CN103595330B (zh) * 2013-09-30 2015-08-12 哈尔滨工业大学 双绕组音圈电机推力补偿系统
CN103607150B (zh) * 2013-09-30 2016-04-13 哈尔滨工业大学 双绕组音圈电机推力补偿系统
WO2016067741A1 (ja) * 2014-10-29 2016-05-06 三菱電機株式会社 サーボ制御装置及びサーボ制御方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325247A (en) * 1992-11-12 1994-06-28 Quantum Corporation Digital multi-rate notch filter for sampled servo digital control system
JP2697641B2 (ja) 1994-10-21 1998-01-14 日本電気株式会社 磁気ディスク装置のマルチレートサンプルレートの共振抑制方式
JP4109812B2 (ja) * 2000-01-12 2008-07-02 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
JP3642720B2 (ja) * 2000-06-30 2005-04-27 富士通株式会社 記憶装置、トラッキング制御方法及びそのトラッキング制御装置
JP4139065B2 (ja) * 2000-12-11 2008-08-27 Ｔｄｋ株式会社 位置決め装置及び位置決め方法
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

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Publication number Publication date
JP2007004910A (ja) 2007-01-11
US20060291088A1 (en) 2006-12-28
US7474494B2 (en) 2009-01-06

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