DE60025753D1 - Servosteuerungsgerät welches die absolutwerte von eingangssignalen anwendet - Google Patents
Servosteuerungsgerät welches die absolutwerte von eingangssignalen anwendetInfo
- Publication number
- DE60025753D1 DE60025753D1 DE60025753T DE60025753T DE60025753D1 DE 60025753 D1 DE60025753 D1 DE 60025753D1 DE 60025753 T DE60025753 T DE 60025753T DE 60025753 T DE60025753 T DE 60025753T DE 60025753 D1 DE60025753 D1 DE 60025753D1
- Authority
- DE
- Germany
- Prior art keywords
- servo control
- responsive
- control device
- input signals
- value
- 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
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
- G11B21/022—Programmed access in sequence to indexed parts of operating record carriers
-
- 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
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive 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
- G05B13/026—Adaptive 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 using a predictor
-
- 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
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
-
- 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
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/048—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators using a predictor
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
-
- 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
-
- 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
-
- 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
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41369—Two estimators
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/439,055 US6545836B1 (en) | 1999-11-12 | 1999-11-12 | Servo control apparatus and method using absolute value input signals |
US439055 | 1999-11-12 | ||
PCT/US2000/030670 WO2001035176A2 (en) | 1999-11-12 | 2000-11-07 | Servo control apparatus and method using absolute value input signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60025753D1 true DE60025753D1 (de) | 2006-04-13 |
DE60025753T2 DE60025753T2 (de) | 2006-10-26 |
Family
ID=23743099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60025753T Expired - Lifetime DE60025753T2 (de) | 1999-11-12 | 2000-11-07 | Servosteuerungsgerät welches die absolutwerte von eingangssignalen anwendet |
Country Status (5)
Country | Link |
---|---|
US (2) | US6545836B1 (de) |
EP (2) | EP1617307A3 (de) |
AT (1) | ATE316664T1 (de) |
DE (1) | DE60025753T2 (de) |
WO (1) | WO2001035176A2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6629089B1 (en) * | 2000-09-29 | 2003-09-30 | Cirrus Logic, Inc. | Artificial neural network voice coil motor controller |
JP2002124047A (ja) * | 2000-10-11 | 2002-04-26 | Sony Corp | 磁気ディスク装置 |
US6700728B2 (en) * | 2001-06-04 | 2004-03-02 | International Business Machines Corporation | Method and disk drive for enhanced performance in the presence of stationary PES outliers |
DE10135586B4 (de) | 2001-07-20 | 2007-02-08 | Eads Deutschland Gmbh | Rekonfigurations-Verfahren für ein Sensorsystem mit zwei Beobachtern und Sensorsystem zur Durchführung des Verfahrens |
US6924961B1 (en) * | 2002-08-30 | 2005-08-02 | Western Digital Technologies, Inc. | Method and apparatus for self servowriting of tracks of a disk drive using an observer based on an equivalent one-dimensional state model |
US6943981B2 (en) * | 2002-12-27 | 2005-09-13 | Matsushita Electric Co., Ltd. | Methods for improving servo-demodulation robustness |
US7006312B2 (en) * | 2002-12-27 | 2006-02-28 | Matsushita Electic Industrial Co., Ltd. | Methods for preventing channel control values from being corrupted to thereby improve servo-demodulation robustness |
US6995935B2 (en) * | 2002-12-27 | 2006-02-07 | Matsushita Electric Industrial Co., Ltd. | Methods for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness |
US7016133B2 (en) * | 2002-12-27 | 2006-03-21 | Matsushita Electric Industrial Co., Ltd. | Systems for detecting multiple occurrences of a SAM pattern to thereby improve servo-demodulation robustness |
US7006315B2 (en) * | 2002-12-27 | 2006-02-28 | Matsushita Electric Industrial Co., Ltd. | Systems for improving servo-demodulation robustness |
US7006311B2 (en) * | 2002-12-27 | 2006-02-28 | Matsushita Electric Industrial Co., Ltd | Systems for preventing channel control values from being corrupted to thereby improve servo-demodulation robustness |
GB0307406D0 (en) * | 2003-03-31 | 2003-05-07 | British Telecomm | Data analysis system and method |
US7046478B2 (en) * | 2003-04-11 | 2006-05-16 | Seagate Technology Llc | Method and apparatus for reducing vibration in a dynamic system |
US7072128B2 (en) * | 2003-07-16 | 2006-07-04 | Matsushita Electric Industrial Co., Ltd. | Methods for searching for SAM patterns at multiple nominal frequencies |
US7092177B2 (en) * | 2003-07-16 | 2006-08-15 | Matsushita Electric Industrial Co., Ltd. | Methods for searching for SAM patterns using multiple sets of servo demodulation detection parameters |
US7054083B2 (en) * | 2003-07-16 | 2006-05-30 | Matsushita Electric Industrial Co., Ltd. | Systems for searching for SAM patterns at multiple nominal frequencies |
US7075742B2 (en) * | 2003-07-16 | 2006-07-11 | Matsushita Electric Industrial Co., Ltd. | Servo demodulator systems including multiple servo demodulators |
US6992856B2 (en) * | 2003-09-18 | 2006-01-31 | Matsushita Electric Industrial Co., Ltd. | Systems for limiting channel control values to thereby improve servo-demodulation robustness |
US6992855B2 (en) * | 2003-09-18 | 2006-01-31 | Matsushita Electric Industrial Co., Ltd. | Methods for limiting channel control values to thereby improve servo-demodulation robustness |
JP4088256B2 (ja) * | 2004-01-29 | 2008-05-21 | 株式会社東芝 | ディスク記憶装置及びヘッド位置決め制御方法 |
US7081729B2 (en) * | 2004-03-23 | 2006-07-25 | The Boeing Company | Variable-structure diagnostics approach achieving optimized low-frequency data sampling for EMA motoring subsystem |
US7196859B2 (en) * | 2004-07-09 | 2007-03-27 | Imation Corp. | Processing techniques for time-based servo patterns |
JP2007265546A (ja) * | 2006-03-29 | 2007-10-11 | Fujitsu Ltd | 磁気記録ヘッドのオフセット測定方法及び磁気記録再生装置 |
US7394614B2 (en) * | 2006-10-25 | 2008-07-01 | Samsung Electronics Co., Ltd. | Control method to reduce settle TMR in hard disk drives |
KR20090078689A (ko) * | 2008-01-15 | 2009-07-20 | 삼성전자주식회사 | 하드디스크 드라이브 및 하드디스크 드라이브의 자동재할당 제어 방법 |
US7982993B1 (en) * | 2008-12-19 | 2011-07-19 | Western Digital Technologies, Inc. | Disk drive employing different servo TPI to data TPI ratios across the disk surface |
US8031423B1 (en) | 2009-06-26 | 2011-10-04 | Western Digital Technologies, Inc. | Disk drive generating actual data TPI profile by combining segments of predetermined data TPI profiles |
US8094407B2 (en) * | 2009-08-18 | 2012-01-10 | International Business Machines Corporation | Servomechanism with adjustable predictor filter |
JP5312688B2 (ja) * | 2010-04-26 | 2013-10-09 | 三菱電機株式会社 | サーボ制御装置 |
US9274514B2 (en) * | 2011-11-22 | 2016-03-01 | Mitsubishi Electric Corporation | Motor control apparatus |
US8824088B2 (en) * | 2013-01-08 | 2014-09-02 | Dell Products L.P. | Method and system for hard disk drive throughput optimization using position error signaling |
US9025267B1 (en) * | 2014-06-09 | 2015-05-05 | Western Digital Technologies, Inc. | Data storage device using branch metric from adjacent track to compensate for inter-track interference |
US9355667B1 (en) * | 2014-11-11 | 2016-05-31 | Western Digital Technologies, Inc. | Data storage device saving absolute position at each servo wedge for previous write operations |
US9311959B1 (en) * | 2015-03-30 | 2016-04-12 | Seagate Technology Llc | Read channel optimization using multi-dimensional smoothing |
JP6396400B2 (ja) * | 2016-12-20 | 2018-09-26 | ファナック株式会社 | 異常判定装置および異常判定方法 |
CN109946979B (zh) * | 2019-04-25 | 2022-03-22 | 广东省智能机器人研究院 | 一种伺服系统灵敏度函数的自适应调整方法 |
Family Cites Families (60)
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US4056830A (en) | 1974-03-15 | 1977-11-01 | Burroughs Corporation | Utilizing data for transducer positioning |
US4048660A (en) * | 1975-12-23 | 1977-09-13 | International Business Machines Corporation | Record track following and seeking |
US4166282A (en) * | 1977-06-16 | 1979-08-28 | Burroughs Corporation | Track-on-data technique and associated system involving di-bit recording and associated di-gap transducers |
DE2759066A1 (de) * | 1977-12-30 | 1979-07-12 | Ibm Deutschland | Einrichtung fuer die regelung der magnetkopfposition waehrend der spurauswahl und der spurfolge des magnetkopfes eines magnetplattenspeichers |
US4204234A (en) | 1978-10-27 | 1980-05-20 | International Business Machines Corporation | System for positioning single gap magnetic head to follow moving recorded data track |
US4445153A (en) | 1980-03-07 | 1984-04-24 | Ricoh Company, Ltd. | Method of correcting track misalignment of floppy disc and apparatus therefor |
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JPH01224621A (ja) | 1988-03-04 | 1989-09-07 | Hitachi Ltd | 位置検出方法又は装置 |
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JPH0489654A (ja) | 1990-07-26 | 1992-03-23 | Sony Corp | 再生装置 |
EP0507907B1 (de) | 1990-09-18 | 1999-01-13 | Rodime PLC | Digitale servosteuerung für ein plattenlaufwerk |
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JP3446289B2 (ja) | 1994-03-22 | 2003-09-16 | ソニー株式会社 | ディスク駆動装置 |
JP2715057B2 (ja) | 1994-04-05 | 1998-02-16 | クウォンタム・コーポレイション | データ記憶装置においてアンダーシュート誘起タイミング位相ステップを排除する方法およびハードディスクドライブ |
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JPH1011844A (ja) | 1996-06-27 | 1998-01-16 | Matsushita Electric Ind Co Ltd | オートトラッキング装置 |
US5875066A (en) | 1996-12-13 | 1999-02-23 | International Business Machines Corporation | Method and apparatus for real-time filtering of a position error signal for a disk drive servo system |
US5946156A (en) | 1997-03-04 | 1999-08-31 | Imation Corp. | Tape servo system and methods, write/read heads, and servo track configurations regarding same |
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US5917784A (en) | 1998-04-03 | 1999-06-29 | Cirrus Logic, Inc. | Trellis sequence detector for detecting a quadrature servo signal in disk recording systems |
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US6383670B1 (en) * | 1999-10-06 | 2002-05-07 | Idatech, Llc | System and method for controlling the operation of a fuel processing system |
WO2002069203A2 (en) | 2001-02-28 | 2002-09-06 | The Johns Hopkins University | Method for identifying term importance to a sample text using reference text |
-
1999
- 1999-11-12 US US09/439,055 patent/US6545836B1/en not_active Ceased
-
2000
- 2000-11-07 EP EP05077206A patent/EP1617307A3/de not_active Withdrawn
- 2000-11-07 DE DE60025753T patent/DE60025753T2/de not_active Expired - Lifetime
- 2000-11-07 EP EP00977051A patent/EP1232421B1/de not_active Expired - Lifetime
- 2000-11-07 WO PCT/US2000/030670 patent/WO2001035176A2/en active IP Right Grant
- 2000-11-07 AT AT00977051T patent/ATE316664T1/de not_active IP Right Cessation
-
2005
- 2005-04-08 US US11/102,892 patent/USRE40545E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1617307A3 (de) | 2007-08-08 |
WO2001035176A2 (en) | 2001-05-17 |
EP1617307A2 (de) | 2006-01-18 |
WO2001035176A3 (en) | 2001-11-22 |
EP1232421A2 (de) | 2002-08-21 |
USRE40545E1 (en) | 2008-10-21 |
DE60025753T2 (de) | 2006-10-26 |
EP1232421B1 (de) | 2006-01-25 |
ATE316664T1 (de) | 2006-02-15 |
US6545836B1 (en) | 2003-04-08 |
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