DE69615037T2 - Erschütterungsverminderung in gleitendem moderegelungsverfahren eines plattenantriebsstellgliedes - Google Patents

Erschütterungsverminderung in gleitendem moderegelungsverfahren eines plattenantriebsstellgliedes

Info

Publication number
DE69615037T2
DE69615037T2 DE69615037T DE69615037T DE69615037T2 DE 69615037 T2 DE69615037 T2 DE 69615037T2 DE 69615037 T DE69615037 T DE 69615037T DE 69615037 T DE69615037 T DE 69615037T DE 69615037 T2 DE69615037 T2 DE 69615037T2
Authority
DE
Germany
Prior art keywords
control method
disk drive
vibration reduction
model control
drive actuator
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
DE69615037T
Other languages
English (en)
Other versions
DE69615037D1 (de
Inventor
Louis Supino
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.)
Cirrus Logic Inc
Original Assignee
Cirrus Logic Inc
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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of DE69615037D1 publication Critical patent/DE69615037D1/de
Application granted granted Critical
Publication of DE69615037T2 publication Critical patent/DE69615037T2/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
    • G11B5/58—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
    • 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
DE69615037T 1995-07-26 1996-07-23 Erschütterungsverminderung in gleitendem moderegelungsverfahren eines plattenantriebsstellgliedes Expired - Fee Related DE69615037T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50762195A 1995-07-26 1995-07-26
PCT/IB1996/000925 WO1997005604A1 (en) 1995-07-26 1996-07-23 Improved chatter reduction in sliding mode control of a disk drive actuator

Publications (2)

Publication Number Publication Date
DE69615037D1 DE69615037D1 (de) 2001-10-11
DE69615037T2 true DE69615037T2 (de) 2002-04-18

Family

ID=24019419

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69615037T Expired - Fee Related DE69615037T2 (de) 1995-07-26 1996-07-23 Erschütterungsverminderung in gleitendem moderegelungsverfahren eines plattenantriebsstellgliedes

Country Status (4)

Country Link
EP (1) EP0845140B1 (de)
JP (2) JP4100706B2 (de)
DE (1) DE69615037T2 (de)
WO (1) WO1997005604A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982721A (en) * 1996-03-29 1999-11-09 Cirrus Logic, Inc. Optical disc drive comprising switching gains for forcing phase states to follow a sliding line trajectory in a servo system
JP2003141833A (ja) * 2001-11-05 2003-05-16 Matsushita Electric Ind Co Ltd ヘッド位置決め装置、およびこれを用いたディスク装置
US8744707B2 (en) 2011-03-31 2014-06-03 Caterpillar Inc. CVT control using state space based gain scheduling
US9529057B2 (en) 2012-07-24 2016-12-27 Binod Shrestha Apparatus and method for out-of-step protection using the analysis of trajectories of electrical measurements in state plane
US9542966B1 (en) 2015-07-09 2017-01-10 Western Digital Technologies, Inc. Data storage devices and methods with frequency-shaped sliding mode control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679103A (en) 1986-04-29 1987-07-07 International Business Machines Corporation Digital servo control system for a data recording disk file
JPH01116972A (ja) * 1987-10-30 1989-05-09 Mitsubishi Electric Corp 記憶装置
JPH02193369A (ja) * 1989-01-20 1990-07-31 Tokico Ltd 磁気ディスク装置
JPH0323570A (ja) * 1989-06-20 1991-01-31 Tokico Ltd 磁気ディスク装置
JPH03201272A (ja) * 1989-12-27 1991-09-03 Sony Corp 磁気ディスク装置
US5189571A (en) * 1990-04-30 1993-02-23 Seagate Technology, Inc. Adaptive settle time minimization for a hard disk drive
EP0543654B1 (de) * 1991-11-22 1998-10-28 Fujitsu Limited Positionsregelsystem
JP3028444B2 (ja) * 1992-11-18 2000-04-04 松下電器産業株式会社 電気湯沸かし器

Also Published As

Publication number Publication date
DE69615037D1 (de) 2001-10-11
WO1997005604A1 (en) 1997-02-13
JPH11514484A (ja) 1999-12-07
JP4100706B2 (ja) 2008-06-11
EP0845140A1 (de) 1998-06-03
JP2007220302A (ja) 2007-08-30
EP0845140B1 (de) 2001-09-05

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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