DE69215550D1 - Stabilisierungsanordnung für ein Spurnachlaufservosystem - Google Patents

Stabilisierungsanordnung für ein Spurnachlaufservosystem

Info

Publication number
DE69215550D1
DE69215550D1 DE69215550T DE69215550T DE69215550D1 DE 69215550 D1 DE69215550 D1 DE 69215550D1 DE 69215550 T DE69215550 T DE 69215550T DE 69215550 T DE69215550 T DE 69215550T DE 69215550 D1 DE69215550 D1 DE 69215550D1
Authority
DE
Germany
Prior art keywords
servo system
tracking servo
stabilization arrangement
stabilization
arrangement
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
Application number
DE69215550T
Other languages
English (en)
Other versions
DE69215550T2 (de
Inventor
Eiji Okamura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69215550D1 publication Critical patent/DE69215550D1/de
Publication of DE69215550T2 publication Critical patent/DE69215550T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B5/5526—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
    • 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
    • G05B19/408—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 data handling or data format, e.g. reading, buffering or conversion of data
    • 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
    • G05B2219/34—Director, elements to supervisory
    • G05B2219/34388—Detect correct moment, position, advanced, delayed, then next command
    • 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
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50043—Near zero detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
DE69215550T 1991-02-06 1992-02-05 Stabilisierungsanordnung für ein Spurnachlaufservosystem Expired - Fee Related DE69215550T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3014624A JP2611049B2 (ja) 1991-02-06 1991-02-06 追従制御装置の整定監視方式

Publications (2)

Publication Number Publication Date
DE69215550D1 true DE69215550D1 (de) 1997-01-16
DE69215550T2 DE69215550T2 (de) 1997-03-27

Family

ID=11866361

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215550T Expired - Fee Related DE69215550T2 (de) 1991-02-06 1992-02-05 Stabilisierungsanordnung für ein Spurnachlaufservosystem

Country Status (4)

Country Link
US (1) US5307330A (de)
EP (1) EP0498643B1 (de)
JP (1) JP2611049B2 (de)
DE (1) DE69215550T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2621125B2 (ja) * 1992-03-31 1997-06-18 富士通株式会社 オントラック判定方法
JP3829994B2 (ja) * 1995-01-06 2006-10-04 富士通株式会社 ファイル装置の開発装置及び開発システム
JP3875294B2 (ja) * 1995-11-17 2007-01-31 富士通株式会社 ディスク装置
US5832003A (en) * 1996-04-25 1998-11-03 Tektronix, Inc. Video error/distortion checker
US6166876A (en) * 1998-02-24 2000-12-26 Seagate Technology, Inc. Minimizing settling time in a disc drive servo system
JP2001126424A (ja) * 1999-10-27 2001-05-11 Hitachi Ltd 記録再生装置
US6510015B2 (en) 1999-12-10 2003-01-21 Seagate Technology Llc Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the same
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
US6906886B2 (en) * 2003-09-08 2005-06-14 Seagate Technology Llc Peak to peak detect method to protect seek/settle induced encroachment
US6999263B1 (en) * 2003-10-24 2006-02-14 Western Digital Technologies, Inc. Method and apparatus for self servowriting of tracks of a disk drive using a servo control loop having a two-dimensional weighted digital state compensator
JP4498301B2 (ja) * 2006-03-30 2010-07-07 東芝ストレージデバイス株式会社 位置決め制御装置の整定判定方法及び位置決め制御装置
JP4690948B2 (ja) 2006-03-31 2011-06-01 東芝ストレージデバイス株式会社 位置決め制御装置の整定判定方法及び位置決め制御装置
JP4991201B2 (ja) 2006-07-28 2012-08-01 株式会社東芝 位置決め制御装置の整定判定方法及び位置決め制御装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881184A (en) * 1974-05-28 1975-04-29 Ibm Adaptive digital servo system
US4134053A (en) * 1976-10-26 1979-01-09 Xerox Corporation Method and means for capturing magnetic tracks
US4381526A (en) * 1980-11-10 1983-04-26 Memorex Corporation Velocity control system for a data storage apparatus
US5095471A (en) * 1982-05-10 1992-03-10 Digital Equipment Corporation Velocity estimator in a disk drive positioning system
US4679103A (en) * 1986-04-29 1987-07-07 International Business Machines Corporation Digital servo control system for a data recording disk file
US4697127A (en) * 1986-06-09 1987-09-29 International Business Machines Corporation Adaptive control technique for a dynamic system
JPS63275082A (ja) * 1987-05-06 1988-11-11 Sony Corp ディスクドライブのヘッド位置決め制御系
JPS63298861A (ja) * 1987-05-29 1988-12-06 Toshiba Corp ディスク装置
JPH0632202B2 (ja) * 1988-05-13 1994-04-27 富士通株式会社 ディスク装置の防振構造
US4823868A (en) * 1988-05-26 1989-04-25 Deere & Company Intercooler and method of assembling the same
JPH0235269A (ja) * 1988-07-21 1990-02-05 Yamaha Motor Co Ltd 油圧トランスミッションのシフト装置
US5182685A (en) * 1989-02-03 1993-01-26 Seagate Technology, Inc. Stepper motor torque variance compensation using varied applied voltage
JPH0831263B2 (ja) * 1989-04-04 1996-03-27 株式会社東芝 磁気記録再生装置の磁気ヘッド駆動制御装置

Also Published As

Publication number Publication date
EP0498643A3 (en) 1992-11-25
JPH04298868A (ja) 1992-10-22
EP0498643B1 (de) 1996-12-04
DE69215550T2 (de) 1997-03-27
EP0498643A2 (de) 1992-08-12
US5307330A (en) 1994-04-26
JP2611049B2 (ja) 1997-05-21

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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