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DE10084493T1 - Vorrichtung und Verfahren zur gesteuerten Anregung eines Servomechanismus - Google Patents

Vorrichtung und Verfahren zur gesteuerten Anregung eines Servomechanismus

Info

Publication number
DE10084493T1
DE10084493T1 DE10084493T DE10084493T DE10084493T1 DE 10084493 T1 DE10084493 T1 DE 10084493T1 DE 10084493 T DE10084493 T DE 10084493T DE 10084493 T DE10084493 T DE 10084493T DE 10084493 T1 DE10084493 T1 DE 10084493T1
Authority
DE
Germany
Prior art keywords
servomechanism
controlled excitation
excitation
controlled
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.)
Withdrawn
Application number
DE10084493T
Other languages
English (en)
Inventor
Margot Ann Lapanse
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE10084493T1 publication Critical patent/DE10084493T1/de
Withdrawn legal-status Critical Current

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
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • 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
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
DE10084493T 1999-04-21 2000-04-20 Vorrichtung und Verfahren zur gesteuerten Anregung eines Servomechanismus Withdrawn DE10084493T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13029099P 1999-04-21 1999-04-21
US09/473,816 US6563666B1 (en) 1999-04-21 1999-12-28 Disc drive model reference seek algorithm
PCT/US2000/010589 WO2000063895A1 (en) 1999-04-21 2000-04-20 Apparatus and method for controlled excitation of a servomechanism

Publications (1)

Publication Number Publication Date
DE10084493T1 true DE10084493T1 (de) 2002-05-29

Family

ID=26828333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10084493T Withdrawn DE10084493T1 (de) 1999-04-21 2000-04-20 Vorrichtung und Verfahren zur gesteuerten Anregung eines Servomechanismus

Country Status (7)

Country Link
US (1) US6563666B1 (de)
JP (1) JP2002542559A (de)
KR (1) KR20010110778A (de)
CN (1) CN1347551A (de)
DE (1) DE10084493T1 (de)
GB (1) GB2363247A (de)
WO (1) WO2000063895A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100370548C (zh) * 1998-11-26 2008-02-20 日立环球储存科技荷兰有限公司 磁盘驱动器及其制造方法
US6801384B2 (en) * 2000-09-14 2004-10-05 Samsung Electronics Co., Ltd. Voltage-constrained sinusoidal seek servo in hard disk drives
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US7020054B2 (en) * 2001-01-25 2006-03-28 Dphi Acquisitions, Inc. Digital servo system with biased feed-forward
US6859340B2 (en) * 2001-03-09 2005-02-22 Seagate Technology Llc Method and device for retracting an actuator
KR100450455B1 (ko) * 2001-04-19 2004-10-01 도시바 기카이 가부시키가이샤 서보 제어 방법
US7119511B2 (en) * 2003-04-11 2006-10-10 International Business Machines Corporation Servo system for a two-dimensional micro-electromechanical system (MEMS)-based scanner and method therefor
US7378810B1 (en) * 2003-05-20 2008-05-27 Marvell International Ltd. Method and apparatus for spindle motor control
US20050141131A1 (en) * 2003-12-24 2005-06-30 Matsushita Electric Industrial Co., Ltd. System and method for time varying filter for seek acoustics reduction
GB2431483B (en) * 2004-05-14 2008-12-24 Electro Scient Ind Inc Adaptive command filtering for servomechanism control systems
US7319570B2 (en) * 2005-09-19 2008-01-15 Seagate Technology Llc Random vibration and shock compensator using a disturbance observer
US7660070B2 (en) * 2007-03-08 2010-02-09 Esgw Holdings Limited Quiet high performance seek procedure for disk drives
US7999500B1 (en) 2007-08-16 2011-08-16 Marvell International Ltd. Calibrating spindle motor controllers
US7486470B1 (en) * 2007-10-31 2009-02-03 Hitachi Global Storage Technologies Netherlands B.V. Hard disk drive vibration cancellation using adaptive filter
JP2009295197A (ja) * 2008-06-02 2009-12-17 Fujitsu Ltd 情報記憶装置
US8245064B2 (en) * 2009-06-16 2012-08-14 Seagate Technology Llc Power conservation during a power mode transition
JP6852563B2 (ja) * 2017-05-25 2021-03-31 コニカミノルタ株式会社 回転動作制御装置、画像形成装置及び回転動作制御方法
WO2019139133A1 (ja) * 2018-01-11 2019-07-18 オムロン株式会社 モデル予測制御のための制御パラメータの設定方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4477755A (en) 1982-06-28 1984-10-16 Storage Technology Corporation Method of suppressing seek-excited vibration in a disk drive or similar servo system
US5204932A (en) 1989-01-10 1993-04-20 Fujitsu Limited Servo circuit for magnetic disk apparatus
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
JP2841994B2 (ja) 1992-01-09 1998-12-24 日産自動車株式会社 アクチュエータ制御装置
US5696647A (en) 1994-03-28 1997-12-09 Seagate Technology, Inc. Method for carrying out seeks in a hard disc drive to limit the generation of acoustic noise including using a slew rate limit
US5699207A (en) 1995-03-07 1997-12-16 Cirrus Logic, Inc. Chatter reduction in sliding mode control of a disk drive actuator
KR100251924B1 (ko) * 1996-09-02 2000-04-15 윤종용 탐색시 소음을 줄이기 위한 적응피이드포워드 제어방법
JPH10312656A (ja) 1997-05-08 1998-11-24 Hitachi Ltd 磁気ディスクのサーボ制御方法

Also Published As

Publication number Publication date
KR20010110778A (ko) 2001-12-13
US6563666B1 (en) 2003-05-13
GB0123525D0 (en) 2001-11-21
WO2000063895A1 (en) 2000-10-26
JP2002542559A (ja) 2002-12-10
CN1347551A (zh) 2002-05-01
GB2363247A (en) 2001-12-12

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee