DE69830357D1 - Verminderung eines durch Erschütterung verursachten Fehlers - Google Patents

Verminderung eines durch Erschütterung verursachten Fehlers

Info

Publication number
DE69830357D1
DE69830357D1 DE69830357T DE69830357T DE69830357D1 DE 69830357 D1 DE69830357 D1 DE 69830357D1 DE 69830357 T DE69830357 T DE 69830357T DE 69830357 T DE69830357 T DE 69830357T DE 69830357 D1 DE69830357 D1 DE 69830357D1
Authority
DE
Germany
Prior art keywords
vibration
reduction
shock caused
shock
caused
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.)
Expired - Lifetime
Application number
DE69830357T
Other languages
English (en)
Other versions
DE69830357T2 (de
Inventor
Rob Tousain
Jean-Christophe Boissy
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69830357D1 publication Critical patent/DE69830357D1/de
Application granted granted Critical
Publication of DE69830357T2 publication Critical patent/DE69830357T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/5582—Track change, selection or acquisition by displacement of the head across disk tracks system adaptation for working during or after external perturbation, e.g. in the presence of a mechanical oscillation caused by a shock
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B5/00—Anti-hunting arrangements
    • G05B5/01—Anti-hunting arrangements electric
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition 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
    • G11B7/0946—Disposition 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69830357T 1997-04-22 1998-03-12 Verminderung eines durch Erschütterung verursachten Fehlers Expired - Lifetime DE69830357T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9704939 1997-04-22
FR9704939A FR2762412A1 (fr) 1997-04-22 1997-04-22 Procede et controleur pour controler un systeme asservi

Publications (2)

Publication Number Publication Date
DE69830357D1 true DE69830357D1 (de) 2005-07-07
DE69830357T2 DE69830357T2 (de) 2006-01-26

Family

ID=9506166

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69830357T Expired - Lifetime DE69830357T2 (de) 1997-04-22 1998-03-12 Verminderung eines durch Erschütterung verursachten Fehlers

Country Status (5)

Country Link
US (1) US6163429A (de)
EP (1) EP0875887B1 (de)
JP (1) JPH10320793A (de)
DE (1) DE69830357T2 (de)
FR (1) FR2762412A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3437807B2 (ja) * 1999-10-18 2003-08-18 株式会社山武 制御演算装置及び制御演算方法
US6970742B2 (en) * 2000-01-11 2005-11-29 Savacor, Inc. Method for detecting, diagnosing, and treating cardiovascular disease
KR100677097B1 (ko) 2000-08-26 2007-02-05 삼성전자주식회사 광 기록/재생 장치에서 학습 제어를 이용한 외란 보상장치 및 방법과, 그를 이용한 광 기록 매체 드라이브 서보시스템
JP2002245738A (ja) * 2001-02-15 2002-08-30 Fujitsu Ltd ディスク装置及び外乱補償方法
DE10306894A1 (de) * 2003-02-18 2004-08-26 Deutsche Thomson-Brandt Gmbh Verfahren und Anordnung zum Kompensieren von Abtaststörungen optischer Aufzeichnungsträger
US20060291355A1 (en) * 2003-09-08 2006-12-28 Koninklijke Philips Electronics N.V. Disc drive apparatus
JP3898686B2 (ja) * 2003-10-20 2007-03-28 ファナック株式会社 数値制御装置
CN101091211A (zh) * 2004-10-05 2007-12-19 皇家飞利浦电子股份有限公司 光盘上丢失的轨道聚焦的恢复
US8302456B2 (en) 2006-02-23 2012-11-06 Asylum Research Corporation Active damping of high speed scanning probe microscope components
US9383388B2 (en) 2014-04-21 2016-07-05 Oxford Instruments Asylum Research, Inc Automated atomic force microscope and the operation thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533991A (en) * 1982-12-29 1985-08-06 Storage Technology Corporation Adaptive feedforward servo system
US4947093A (en) * 1988-11-25 1990-08-07 Micropolis Corporation Shock resistant winchester disk drive
US5046060A (en) * 1990-06-14 1991-09-03 International Business Machines Corporation Servo error controls
US5227929A (en) * 1990-11-26 1993-07-13 International Business Machines Corporation Portable computer hard disk protective reflex system
US5426545A (en) * 1991-05-09 1995-06-20 Sidman; Michael D. Active disturbance compensation system for disk drives
JP2803420B2 (ja) * 1991-12-09 1998-09-24 松下電器産業株式会社 トラッキング制御装置
US5245830A (en) * 1992-06-03 1993-09-21 Lockheed Missiles & Space Company, Inc. Adaptive error correction control system for optimizing stirling refrigerator operation
JPH0620411A (ja) * 1992-07-03 1994-01-28 Nippon Seiko Kk 精密位置決め装置
DE4243234A1 (de) * 1992-12-18 1994-06-23 Thomson Brandt Gmbh Aufzeichnungs und/oder Wiedergabegerät
FR2705944B1 (fr) * 1993-04-26 1995-12-29 Hughes Aircraft Co Système et procédé de commande d'un spationef.
US5550685A (en) * 1993-10-22 1996-08-27 Syquest Technology, Inc. Applying an adaptive feed-forward algorithm as a frequency selective filter in a closed loop disk drive servo system in order to compensate for periodic perturbations which otherwise appear in the servo system position error signal
US5563794A (en) * 1993-11-22 1996-10-08 Hughes Aircraft Company Repetitive control of thermal shock disturbance
US5835298A (en) * 1996-08-16 1998-11-10 Telxon Corporation Hard drive protection system and method

Also Published As

Publication number Publication date
US6163429A (en) 2000-12-19
JPH10320793A (ja) 1998-12-04
DE69830357T2 (de) 2006-01-26
FR2762412A1 (fr) 1998-10-23
EP0875887A1 (de) 1998-11-04
EP0875887B1 (de) 2005-06-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition