JPH1021557A - 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ - Google Patents

光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Info

Publication number
JPH1021557A
JPH1021557A JP9070193A JP7019397A JPH1021557A JP H1021557 A JPH1021557 A JP H1021557A JP 9070193 A JP9070193 A JP 9070193A JP 7019397 A JP7019397 A JP 7019397A JP H1021557 A JPH1021557 A JP H1021557A
Authority
JP
Japan
Prior art keywords
phase state
signal
optical disk
phase
actuator
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
JP9070193A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1021557A5 (enExample
Inventor
Louis Supino
スピノ ルイス
Paul M Romano
エム. ロマノ ポール
Francis H Reiff
エイチ. レイフ フランシス
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.)
Cirrus Logic Inc
Original Assignee
Cirrus Logic 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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of JPH1021557A publication Critical patent/JPH1021557A/ja
Publication of JPH1021557A5 publication Critical patent/JPH1021557A5/ja
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0946Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/0205Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
    • G05B13/0255Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system the criterion being a time-optimal performance criterion
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529Methods and circuits to control the velocity of the head as it traverses the tracks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Evolutionary Computation (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP9070193A 1996-03-29 1997-03-24 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ Pending JPH1021557A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/625,462 1996-03-29
US08/625,462 US5982721A (en) 1996-03-29 1996-03-29 Optical disc drive comprising switching gains for forcing phase states to follow a sliding line trajectory in a servo system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006307240A Division JP2007035278A (ja) 1996-03-29 2006-11-13 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Publications (2)

Publication Number Publication Date
JPH1021557A true JPH1021557A (ja) 1998-01-23
JPH1021557A5 JPH1021557A5 (enExample) 2005-01-06

Family

ID=24506197

Family Applications (3)

Application Number Title Priority Date Filing Date
JP9070193A Pending JPH1021557A (ja) 1996-03-29 1997-03-24 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ
JP2006307240A Withdrawn JP2007035278A (ja) 1996-03-29 2006-11-13 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ
JP2008256797A Withdrawn JP2009004095A (ja) 1996-03-29 2008-10-01 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2006307240A Withdrawn JP2007035278A (ja) 1996-03-29 2006-11-13 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ
JP2008256797A Withdrawn JP2009004095A (ja) 1996-03-29 2008-10-01 光ディスクドライブ記憶システム、光リードヘッドの動きを制御する方法およびスライディングモードコントローラ

Country Status (3)

Country Link
US (1) US5982721A (enExample)
EP (1) EP0798704A1 (enExample)
JP (3) JPH1021557A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002341904A (ja) * 2001-05-14 2002-11-29 Honda Motor Co Ltd プラントの制御装置

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW386228B (en) * 1998-02-27 2000-04-01 Mediatek Inc Tracking device for an optical pickup head
US6426845B1 (en) 1998-05-21 2002-07-30 Seagate Technology Llc Asynchronous analog demodulator and method for a null-type servo pattern
US6195220B1 (en) * 1998-05-21 2001-02-27 Seagate Technology Llc Method and apparatus utilizing field ratioing demodulation techniques for a null-type servo pattern
US6181505B1 (en) 1998-06-26 2001-01-30 Seagate Technology Llc Synchronous digital demodulator with integrated read and servo channels
US6377413B1 (en) 1999-03-26 2002-04-23 Seagate Technology Llc Method and apparatus for encoding identification information on a magnetic disc
US6490117B1 (en) 1999-03-26 2002-12-03 Seagate Technology Llc Method of thermally printing servo patterns on magnetic media
US7509403B1 (en) 2000-09-28 2009-03-24 Alcatel-Lucent Usa Inc. Method and apparatus for SONET/SDH ring load balancing
US6898170B2 (en) 2001-01-25 2005-05-24 Dphi Acquisitions, Inc. PMAD/PSA digital feedback system
US6876609B2 (en) 2001-01-25 2005-04-05 Dphi Acquisitions, Inc. System and method for controlling a spin motor
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US7079459B2 (en) * 2001-01-25 2006-07-18 Dphi Acquisitions, Inc. System and method for performing a spin motor startup operation
US6901040B2 (en) * 2001-01-25 2005-05-31 Dphi Acquisitions, Inc. Kp and Ki lookup system and method
KR100686167B1 (ko) * 2001-04-13 2007-02-23 엘지전자 주식회사 광 기록매체의 트랙 점프 방법 및 장치
US6490237B1 (en) 2001-05-14 2002-12-03 Cirrus Logic, Inc. Fuzzy inference system and method for optical disc discrimination
US20030218947A1 (en) * 2002-05-21 2003-11-27 Oak Technology, Inc. Transducer for converting digital AV content to optical compatible signals and associated operating method
EP1576592A2 (en) * 2002-12-19 2005-09-21 Koninklijke Philips Electronics N.V. Disc drive with improved resistance against mechanical shocks
TW200514049A (en) * 2003-10-15 2005-04-16 Ali Corp Method for detecting an unbalance disc
CN1875408A (zh) * 2003-10-28 2006-12-06 皇家飞利浦电子股份有限公司 盘驱动设备
US7133235B2 (en) * 2004-02-25 2006-11-07 Hitachi Global Storage Technologies Netherlands, B.V. System and method for correcting for head tilt in HDD
US7190140B2 (en) * 2004-04-05 2007-03-13 Sodick Co., Ltd. Sliding mode controller position control device
WO2006077548A2 (en) * 2005-01-21 2006-07-27 Koninklijke Philips Electronics N.V. Disc drive apparatus with non-linear observer
US20070076552A1 (en) * 2005-10-04 2007-04-05 Ming-Yang Chao Parameter updating methods and systems for optical disc accessing
EP3171235B1 (en) * 2015-11-19 2020-04-29 Omron Corporation Control device, control method, information processing program, and recording medium
JP6531682B2 (ja) * 2016-03-11 2019-06-19 オムロン株式会社 モータ制御装置、モータ制御方法、プログラム、および記録媒体
CN111131117B (zh) * 2019-12-23 2022-07-15 西安烽火电子科技有限责任公司 一种扩频信号多周期捕获快速解调方法及解扩接收机

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2039078B (en) * 1978-12-27 1982-11-24 Ibm Sampled data servo positioning system
US4713596A (en) * 1985-07-10 1987-12-15 General Electric Company Induction motor drive system
JPH0276128A (ja) * 1988-09-13 1990-03-15 Pioneer Electron Corp フォーカスサーボ引込み方法
JPH0721868B2 (ja) * 1989-08-04 1995-03-08 キヤノン株式会社 光情報処理装置
JPH03118618A (ja) * 1989-09-30 1991-05-21 Fanuc Ltd 制振効果を持つスライディングモード制御による制御方式
US5351224A (en) * 1990-03-08 1994-09-27 Oki Electric Industry Co., Ltd. Adjustment of tracking servo and focusing servo in optical data recording/reproducing apparatus
KR950001610B1 (ko) * 1990-06-29 1995-02-27 가부시기가이샤 도시바 자기헤드 이동속도 제어장치
JPH04106733A (ja) * 1990-08-27 1992-04-08 Matsushita Electric Ind Co Ltd 位相比較装置と焦点誤差検出装置
JP2531847B2 (ja) * 1990-09-27 1996-09-04 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 光学ディスク駆動装置
JP2646825B2 (ja) * 1990-10-01 1997-08-27 三菱電機株式会社 光ディスク装置
GB9026735D0 (en) * 1990-12-08 1991-01-30 Vickers Systems Ltd Sliding mode control system
US5412636A (en) * 1991-03-22 1995-05-02 Olympus Optical Co., Ltd. Apparatus for servo-controlling objective lens in recording and/or reproducing apparatus using optical record medium
US5233585A (en) * 1991-09-11 1993-08-03 International Business Machines Corporation Acquiring focus in an optical disk system using a time and shape modified focus error signal
JP2716610B2 (ja) * 1991-10-16 1998-02-18 三菱電機株式会社 フォーカス制御装置
US5416756A (en) * 1991-11-07 1995-05-16 Mitsubishi Denki Kabushiki Kaisha Lens actuating system with improved frequency response for optical disk drive
JP3074877B2 (ja) * 1991-11-22 2000-08-07 ソニー株式会社 光ディスクプレーヤ
JPH0778891B2 (ja) * 1991-12-25 1995-08-23 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 光ディスク駆動装置および方法
JPH05216504A (ja) * 1992-02-06 1993-08-27 Fanuc Ltd バネ系を含む制御対象に対する適応的スライディングモード制御方式
JPH05274695A (ja) * 1992-03-26 1993-10-22 Toshiba Corp ヘッド移動制御装置
JPH06232746A (ja) * 1993-02-05 1994-08-19 Sansei Denshi Japan Kk デジタルサーボ回路
JP3313175B2 (ja) * 1993-02-19 2002-08-12 富士通株式会社 ディスク装置のサーボ位置検出装置及びその方法
US5432763A (en) * 1993-03-15 1995-07-11 Hewlett-Packard Company Subminiature rotary actuator optical head
JPH06301984A (ja) * 1993-04-12 1994-10-28 Olympus Optical Co Ltd 光学的情報記録及び/又は再生装置
KR100230228B1 (ko) * 1993-07-31 1999-11-15 윤종용 광디스크 시스템의 포커싱 제어장치
US5459624A (en) * 1993-10-26 1995-10-17 International Business Machines Corporation Activator control method and apparatus for positioning a transducer using a phase plane trajectory trough function for a direct access storage device with estimated velocity and position states
US5367513A (en) * 1993-11-05 1994-11-22 International Business Machines Corporation Focus and tracking servo decoupling system
US5825582A (en) * 1995-03-07 1998-10-20 Cirrus Logic, Inc. Sliding mode control of a disk drive actuator for positioning a read/write head over a selected track during seeking and tracking operations
WO1997005604A1 (en) * 1995-07-26 1997-02-13 Cirrus Logic, Inc. Improved chatter reduction in sliding mode control of a disk drive actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002341904A (ja) * 2001-05-14 2002-11-29 Honda Motor Co Ltd プラントの制御装置

Also Published As

Publication number Publication date
JP2007035278A (ja) 2007-02-08
EP0798704A1 (en) 1997-10-01
US5982721A (en) 1999-11-09
JP2009004095A (ja) 2009-01-08

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