DE68922425D1 - Positionierung-Servogerät. - Google Patents
Positionierung-Servogerät.Info
- Publication number
- DE68922425D1 DE68922425D1 DE68922425T DE68922425T DE68922425D1 DE 68922425 D1 DE68922425 D1 DE 68922425D1 DE 68922425 T DE68922425 T DE 68922425T DE 68922425 T DE68922425 T DE 68922425T DE 68922425 D1 DE68922425 D1 DE 68922425D1
- Authority
- DE
- Germany
- Prior art keywords
- servo device
- positioning servo
- positioning
- servo
- 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 - Fee Related
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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/14—Control of position or direction using feedback using an analogue comparing device
- G05D3/1445—Control of position or direction using feedback using an analogue comparing device with a plurality of loops
-
- 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
- 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
- G11B5/54—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
-
- 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
- G11B5/59622—Gain control; Filters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Linear Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63056979A JPH0820905B2 (ja) | 1988-03-10 | 1988-03-10 | サーボ位置決め装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68922425D1 true DE68922425D1 (de) | 1995-06-08 |
DE68922425T2 DE68922425T2 (de) | 1995-09-07 |
Family
ID=13042626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68922425T Expired - Fee Related DE68922425T2 (de) | 1988-03-10 | 1989-03-09 | Positionierung-Servogerät. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4963806A (de) |
EP (1) | EP0332200B1 (de) |
JP (1) | JPH0820905B2 (de) |
KR (1) | KR920003996B1 (de) |
DE (1) | DE68922425T2 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02278582A (ja) * | 1989-04-20 | 1990-11-14 | Fujitsu Ltd | 位置制御回路 |
JP3064336B2 (ja) * | 1989-06-28 | 2000-07-12 | 株式会社日立製作所 | 情報取扱い装置およびデイスク装置 |
JP2774327B2 (ja) * | 1989-10-06 | 1998-07-09 | 日本電信電話株式会社 | 位置決め装置 |
US5231550A (en) * | 1990-03-12 | 1993-07-27 | Fujitsu Limited | Track access control system preventing unintentional delay in movement of head in non-adjusted disc device |
JP2504307B2 (ja) * | 1990-08-01 | 1996-06-05 | 三菱電機株式会社 | 電動機の速度制御装置 |
JPH04178185A (ja) * | 1990-11-07 | 1992-06-25 | Matsushita Electric Ind Co Ltd | 電気機械変換素子の駆動装置 |
US5459383A (en) * | 1991-02-07 | 1995-10-17 | Quantum Corporation | Robust active damping control system |
US5206570A (en) * | 1991-03-19 | 1993-04-27 | Maxtor Corporation | Actuator servo compensation method |
JPH05207769A (ja) * | 1992-01-23 | 1993-08-13 | Fanuc Ltd | サーボ制御方法 |
US5220262A (en) * | 1992-02-25 | 1993-06-15 | Cincinnati Milacron, Inc. | Method and apparatus for reducing cross-coupled movement through the structural dynamics of a computer numerically controlled machine |
WO1994001861A1 (en) * | 1992-07-10 | 1994-01-20 | Wangtek, Inc. | Servo controlled magnetic head positioner |
US5325247A (en) * | 1992-11-12 | 1994-06-28 | Quantum Corporation | Digital multi-rate notch filter for sampled servo digital control system |
CN1095164C (zh) * | 1994-06-07 | 2002-11-27 | 株式会社日立制作所 | 对多种运作模式进行选择后进行记录/再生的信息存储装置及其控制方法 |
US5671098A (en) * | 1995-06-01 | 1997-09-23 | Maxtor Corporation | Adaptive preamplifier for resonance tuning useful in a disk drive |
US6122125A (en) * | 1997-08-28 | 2000-09-19 | International Business Machines Corporation | Head selectable servo notch filter and method for improving servo system performance |
US6107767A (en) * | 1998-03-20 | 2000-08-22 | Trw Inc. | Electric assist steering system having an improved motor current controller with notch filter |
WO2000000966A2 (en) * | 1998-06-26 | 2000-01-06 | Seagate Technology, Llc | Improved notch filtering as used in a disc drive servo |
US7483232B2 (en) * | 1999-03-04 | 2009-01-27 | Convolve, Inc. | Dynamic system control method |
JP2000322105A (ja) * | 1999-05-07 | 2000-11-24 | Toshiba Mach Co Ltd | サーボ制御装置およびサーボ制御装置の安定化調整方法 |
US6643080B1 (en) | 1999-08-25 | 2003-11-04 | Seagate Technology Llc | Resonance identification by commanding a spindle speed change |
WO2001018622A1 (de) * | 1999-09-08 | 2001-03-15 | Johannes Heidenhain Gmbh | Verfahren und schaltungsanordnung zur erzeugung von lagesollwerten für einen lageregelkreis einer numerisch bahngesteuerten maschine |
US6624607B1 (en) * | 1999-11-18 | 2003-09-23 | Parker-Hannifin Corporation | Energy-absorbing filter for a motor |
JP2004503893A (ja) * | 2000-06-09 | 2004-02-05 | シーゲイト テクノロジー エルエルシー | ディスク・ドライブ・システムの整定モード中のアクチュエータ・アーム振動を減少する方法および装置 |
FR2810419B1 (fr) * | 2000-06-19 | 2002-08-23 | Lucas Aerospace Fcs | Dispositif de cervo-commande de position, notamment pour actionneur de commande de vol d'aeronef |
JP3699882B2 (ja) * | 2000-06-26 | 2005-09-28 | 株式会社日立グローバルストレージテクノロジーズ | ヘッド位置決め装置 |
JP3975812B2 (ja) * | 2001-08-17 | 2007-09-12 | 株式会社安川電機 | 電動機制御装置の共振周波数検出装置 |
JP4110358B2 (ja) * | 2001-09-04 | 2008-07-02 | 株式会社安川電機 | 電動機制御装置の機械モデル推定装置 |
WO2003030170A1 (en) | 2001-10-02 | 2003-04-10 | Seagate Technology Llc | A phase-advanced filter for robust resonance cancellation |
JP3956120B2 (ja) | 2002-08-23 | 2007-08-08 | インターナショナル・ビジネス・マシーンズ・コーポレーション | データ記憶装置、サーボ制御方法およびプログラム |
US6836032B2 (en) * | 2002-11-14 | 2004-12-28 | Levram Medical Systems, Ltd. | Electromagnetic moving-coil device |
US6958879B2 (en) * | 2003-07-10 | 2005-10-25 | Samsung Electronics Co., Ltd. | Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive using configuration of the disk drive servo controller |
US7136260B2 (en) * | 2003-07-10 | 2006-11-14 | Samsung Electronics Co., Ltd. | Method and apparatus reducing off track head motion due to disk vibration in a hard disk drive through the head gimbal assembly |
WO2008146365A1 (ja) * | 2007-05-29 | 2008-12-04 | Fujitsu Limited | コントローラ及び記憶装置 |
JP5778925B2 (ja) * | 2010-12-24 | 2015-09-16 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | モータ駆動回路 |
WO2015190971A1 (en) * | 2014-06-11 | 2015-12-17 | Catena Wireless Electronics Ab | Method for using an accurate adjustable high-frequency phase-detector |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996689A (en) * | 1960-05-24 | 1961-08-15 | Donald W F Janz | Constant d.-c. resistance frequency variable t-t notch network |
GB1577132A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Compensation apparatus for a servo system with periodic command signals |
US4268785A (en) * | 1979-09-13 | 1981-05-19 | Ampex Corporation | Transient overshoot, undershoot and delay compensation circuit in systems comprising reactive filter networks |
US4540946A (en) * | 1980-06-06 | 1985-09-10 | National Research Development Corp. | Variable characteristic filters |
JPS5868316A (ja) * | 1981-10-19 | 1983-04-23 | Nippon Koden Corp | ノツチフイルタ |
JPS58188374A (ja) * | 1982-04-28 | 1983-11-02 | Hitachi Ltd | 磁気デイスク装置 |
JPS6014525U (ja) * | 1983-07-07 | 1985-01-31 | 日本光電工業株式会社 | ノツチフイルタ |
JPH0626039B2 (ja) * | 1983-10-31 | 1994-04-06 | ソニー株式会社 | 磁気ヘツドの変位駆動装置 |
JPS61224185A (ja) * | 1985-03-29 | 1986-10-04 | Hitachi Ltd | 磁気デイスクの制御装置 |
US4638384A (en) * | 1985-11-19 | 1987-01-20 | Rodime, Plc | Head positioning mechanism for rotating disk data storage system |
JPH0664481B2 (ja) * | 1985-11-27 | 1994-08-22 | オムロン株式会社 | Xyステ−ジ制御装置 |
JPS62269203A (ja) * | 1986-05-16 | 1987-11-21 | Fujitsu Ltd | 位置決め制御系のノツチフイルタ調整方法 |
-
1988
- 1988-03-10 JP JP63056979A patent/JPH0820905B2/ja not_active Expired - Fee Related
-
1989
- 1989-02-24 KR KR1019890002216A patent/KR920003996B1/ko not_active IP Right Cessation
- 1989-03-09 US US07/321,108 patent/US4963806A/en not_active Expired - Lifetime
- 1989-03-09 DE DE68922425T patent/DE68922425T2/de not_active Expired - Fee Related
- 1989-03-09 EP EP89104221A patent/EP0332200B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0332200A3 (en) | 1989-11-29 |
JPH01230109A (ja) | 1989-09-13 |
US4963806A (en) | 1990-10-16 |
JPH0820905B2 (ja) | 1996-03-04 |
KR890015252A (ko) | 1989-10-28 |
EP0332200A2 (de) | 1989-09-13 |
DE68922425T2 (de) | 1995-09-07 |
EP0332200B1 (de) | 1995-05-03 |
KR920003996B1 (ko) | 1992-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |