DE69124124T2 - Plattenspeicher mit adaptiver Korrektur des nichtwiederholenden Rundlauffehlers der Platte - Google Patents
Plattenspeicher mit adaptiver Korrektur des nichtwiederholenden Rundlauffehlers der PlatteInfo
- Publication number
- DE69124124T2 DE69124124T2 DE69124124T DE69124124T DE69124124T2 DE 69124124 T2 DE69124124 T2 DE 69124124T2 DE 69124124 T DE69124124 T DE 69124124T DE 69124124 T DE69124124 T DE 69124124T DE 69124124 T2 DE69124124 T2 DE 69124124T2
- Authority
- DE
- Germany
- Prior art keywords
- disk
- adaptive correction
- repetitive runout
- disk storage
- storage
- 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
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000003252 repetitive effect Effects 0.000 title 1
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
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/106—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
-
- 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
- G11B5/59627—Aligning for runout, eccentricity or offset compensation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/479,497 US5072318A (en) | 1990-02-13 | 1990-02-13 | Disk file with adaptive cancellation of nonrepeatable disk runout |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69124124D1 DE69124124D1 (de) | 1997-02-27 |
DE69124124T2 true DE69124124T2 (de) | 1997-07-17 |
Family
ID=23904273
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69124124T Expired - Lifetime DE69124124T2 (de) | 1990-02-13 | 1991-02-05 | Plattenspeicher mit adaptiver Korrektur des nichtwiederholenden Rundlauffehlers der Platte |
Country Status (4)
Country | Link |
---|---|
US (1) | US5072318A (de) |
EP (1) | EP0442650B1 (de) |
JP (1) | JP2539951B2 (de) |
DE (1) | DE69124124T2 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69131993T2 (de) * | 1990-12-19 | 2000-07-20 | Mobile Storage Technology Inc | Miniatur-festplattenantrieb für tragbaren computer |
US5365458A (en) * | 1991-03-29 | 1994-11-15 | Nippon Densan Corporation | Motor eccentricity measuring apparatus |
US5379171A (en) * | 1991-09-25 | 1995-01-03 | Integral Peripherals | Microminiature hard disk drive |
US6310747B1 (en) | 1991-09-25 | 2001-10-30 | Mobile Storage Technology, Inc. | Method for reducing external signal interference with signals in a computer disk storage system |
WO1993006595A1 (en) * | 1991-09-25 | 1993-04-01 | Integral Peripherals, Inc. | Adaptive runout compensation for miniature disk drives |
US5402280A (en) * | 1992-05-11 | 1995-03-28 | Quantum Corp. | Method and apparatus for runout correction due to disk slip or spindle imbalance |
KR0163678B1 (ko) * | 1992-09-09 | 1999-01-15 | 배순훈 | 이득조정 반복학습 제어를 이용한 디스크 드라이브의 헤드위치 제어장치 및 방법 |
US5615065A (en) * | 1994-10-04 | 1997-03-25 | International Business Machines Corporation | Phase-compensated servo pattern and position error-sensing detector |
US6005725A (en) | 1994-12-19 | 1999-12-21 | Mobile Storage Technology Inc. | Variable zone layout and track pitch parameter considerations for information storage disk drive |
US5596458A (en) | 1994-12-19 | 1997-01-21 | Integral Peripherals, Inc. | Variable zone layout for information storage disk drive |
JPH08306125A (ja) * | 1995-04-28 | 1996-11-22 | Toshiba Corp | 情報記録再生装置 |
US6456452B1 (en) * | 1995-09-01 | 2002-09-24 | Seagate Technology Llc | Feed forward compensation for repeatable head position error in a disc drive |
JP2980545B2 (ja) * | 1995-09-25 | 1999-11-22 | 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 | デイスク装置およびデイスク装置におけるヘッド位置制御方法 |
DE69625318T2 (de) * | 1995-11-30 | 2003-08-28 | Hewlett Packard Co | Sinusförmige Verstärkungskorrektur zum Kompensieren der Verstärkungsänderungen eines magnetoresistiven Servokopfes |
US5793559A (en) * | 1996-02-27 | 1998-08-11 | Quantum Corporation | In drive correction of servo pattern errors |
US6137753A (en) * | 1997-04-14 | 2000-10-24 | Oak Technology, Inc. | Runout calibration for disc drive system |
US6014283A (en) * | 1997-05-15 | 2000-01-11 | Western Digital Corporation | Non-quadrature servo burst pattern for micro-jogging a magnetoresistive head in a magnetic disk drive |
US6064542A (en) * | 1997-08-08 | 2000-05-16 | Quantum Corporation | Methods and apparatus for positioning read/write head in a computer disk drive |
US6101064A (en) * | 1997-08-08 | 2000-08-08 | Quantum Corporation | Methods and apparatus for efficiently controlling a read/write head in a computer disk drive |
KR100501692B1 (ko) * | 1998-01-16 | 2005-10-07 | 삼성전자주식회사 | 반복성 런아웃 보상 알고리즘 사용방법 |
JP3705944B2 (ja) * | 1998-11-27 | 2005-10-12 | 富士通株式会社 | ディスク装置の制御方法及びディスク装置 |
JP3559209B2 (ja) * | 1998-12-24 | 2004-08-25 | 富士通株式会社 | 記憶装置 |
US6522495B1 (en) | 1999-04-16 | 2003-02-18 | International Business Machines Corporation | System, method and program for determining the magnetic center shift within a disk drive system |
US6421198B1 (en) | 1999-04-27 | 2002-07-16 | International Business Machines Corporation | Linearity compensation for a position error signal based on repeatable and non-repeatable run out in a disk drive |
US6522493B1 (en) | 1999-04-27 | 2003-02-18 | International Business Machines Corporation | Position error signal linearization using an auxiliary discontinuity removal routine |
US6661599B1 (en) | 1999-08-27 | 2003-12-09 | Seagate Technology Llc | Enhanced adaptive feedforward control to cancel once-per-revolution disturbance by shaping the internal mode |
US6628472B1 (en) * | 1999-10-12 | 2003-09-30 | Seagate Technoogy Llc | Method and apparatus for feedforward cancellation using a phase lock loop |
US6618219B1 (en) * | 1999-10-12 | 2003-09-09 | Seagate Technology Llc | Method and apparatus for feedforward cancellation using a peak detector |
US6636376B1 (en) | 1999-10-12 | 2003-10-21 | Seagate Technology Llc | Disc drive resonance disturbance cancellation filter |
KR100694362B1 (ko) * | 2000-06-09 | 2007-03-12 | 시게이트 테크놀로지 엘엘씨 | 디스크 드라이브 서보 시스템에서 안정 모드 동안 액추에이터 암 진동을 감소시키는 방법 및 장치 |
SG104270A1 (en) * | 2000-06-14 | 2004-06-21 | Seagate Technology Llc | Feed-forward compensation of cage frequency using a reference head in a servo-writer |
US6654198B2 (en) | 2000-08-23 | 2003-11-25 | Seagate Technology Llc | Repeatable run-out error compensation method for a disc drive |
US6906883B2 (en) * | 2000-09-14 | 2005-06-14 | Samsung Electronics Ltd., Co. | Servo defect management scheme in hard disk drives |
US6754030B2 (en) | 2001-06-27 | 2004-06-22 | Seagate Technology Llc | Optimal reader-to-writer offset measurement of a head in a disc drive for reduced track misregistration |
US6771441B2 (en) | 2001-08-09 | 2004-08-03 | Seagate Technology Llc | Track mis-registration measurement for a disc drive |
DE10215252B4 (de) * | 2002-04-06 | 2005-06-30 | Minebea Co., Ltd. | Verfahren zur Messung des wiederholbaren und des nicht wiederholbaren Schlages eines rotierenden Bauteils, insbesondere des Rotors eines Spindelmotors, und Vorrichtung zur Durchführung des Verfahrens |
US7035037B2 (en) * | 2002-06-18 | 2006-04-25 | Seagate Technology Llc | Disc drive with compensation for non-repeatable runout |
US7057843B2 (en) * | 2003-05-28 | 2006-06-06 | Stmicroelectronics, Inc. | Disk drive control circuit and method |
KR100585166B1 (ko) * | 2004-12-01 | 2006-06-01 | 삼성전자주식회사 | 비주기적 외란 보상 제어 장치 및 방법과 이를 이용한디스크 드라이브 |
JP4707006B2 (ja) * | 2007-03-30 | 2011-06-22 | 日本放送協会 | トラッキング制御装置及びそのプログラム、並びに、非周期外乱推定装置及びそのプログラム |
US7719787B2 (en) * | 2008-02-29 | 2010-05-18 | Seagate Technology Llc | Phase locked anti- notch filter in a servo control loop |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE363465C (de) * | 1922-11-09 | Siemens & Halske Akt Ges | Schaltungsanordnung fuer Leitungswaehler mit Mehrfachanschluessen | |
US4412161A (en) * | 1981-04-24 | 1983-10-25 | Iomega Corporation | Digital control of servo circuit |
US4630190A (en) * | 1984-02-21 | 1986-12-16 | Syquest Technology | Servo control apparatus for a disk drive |
US4589037A (en) * | 1985-03-18 | 1986-05-13 | International Business Machines Corporation | Servo control system using a varying frequency servo pattern for read/write head positioning in a magnetic recording disk file |
US4616276A (en) * | 1985-07-16 | 1986-10-07 | International Business Machines Corporation | Disk file servo control system with fast reduction of repeatable head position error |
US4679103A (en) * | 1986-04-29 | 1987-07-07 | International Business Machines Corporation | Digital servo control system for a data recording disk file |
US4835633A (en) * | 1987-09-16 | 1989-05-30 | International Business Machines Corporation | Disk file digital servo control system with compensation for variation in actuator acceleration factor |
US4939599A (en) * | 1988-02-22 | 1990-07-03 | International Business Machines Corporation | Method and apparatus for measuring dynamic track misregistration |
-
1990
- 1990-02-13 US US07/479,497 patent/US5072318A/en not_active Expired - Lifetime
-
1991
- 1991-01-11 JP JP3002317A patent/JP2539951B2/ja not_active Expired - Lifetime
- 1991-02-05 DE DE69124124T patent/DE69124124T2/de not_active Expired - Lifetime
- 1991-02-05 EP EP91300945A patent/EP0442650B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0442650A2 (de) | 1991-08-21 |
EP0442650A3 (en) | 1992-09-09 |
US5072318A (en) | 1991-12-10 |
DE69124124D1 (de) | 1997-02-27 |
JPH07326146A (ja) | 1995-12-12 |
EP0442650B1 (de) | 1997-01-15 |
JP2539951B2 (ja) | 1996-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8330 | Complete renunciation | ||
8330 | Complete renunciation |