TWI341642B - Motor driver and magnetic disk device - Google Patents

Motor driver and magnetic disk device

Info

Publication number
TWI341642B
TWI341642B TW093125087A TW93125087A TWI341642B TW I341642 B TWI341642 B TW I341642B TW 093125087 A TW093125087 A TW 093125087A TW 93125087 A TW93125087 A TW 93125087A TW I341642 B TWI341642 B TW I341642B
Authority
TW
Taiwan
Prior art keywords
magnetic disk
disk device
motor driver
driver
motor
Prior art date
Application number
TW093125087A
Other languages
English (en)
Other versions
TW200509514A (en
Inventor
Mitsuaki Daio
Original Assignee
Rohm Co 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 Rohm Co Ltd filed Critical Rohm Co Ltd
Publication of TW200509514A publication Critical patent/TW200509514A/zh
Application granted granted Critical
Publication of TWI341642B publication Critical patent/TWI341642B/zh

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/06—Linear motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Linear Motors (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Direct Current Motors (AREA)
TW093125087A 2003-08-21 2004-08-20 Motor driver and magnetic disk device TWI341642B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003297814A JP2005073340A (ja) 2003-08-21 2003-08-21 モータドライバ及び磁気ディスク装置

Publications (2)

Publication Number Publication Date
TW200509514A TW200509514A (en) 2005-03-01
TWI341642B true TWI341642B (en) 2011-05-01

Family

ID=34213659

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093125087A TWI341642B (en) 2003-08-21 2004-08-20 Motor driver and magnetic disk device

Country Status (5)

Country Link
US (1) US20060187567A1 (zh)
JP (1) JP2005073340A (zh)
CN (1) CN100456624C (zh)
TW (1) TWI341642B (zh)
WO (1) WO2005020425A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4622643B2 (ja) * 2005-04-13 2011-02-02 日本精工株式会社 電動パワーステアリング装置の制御装置
JP4634316B2 (ja) 2006-02-14 2011-02-16 富士通株式会社 記憶デバイス収容装置
JP2019121407A (ja) * 2017-12-28 2019-07-22 株式会社東芝 ディスク装置及び情報処理装置
KR102179960B1 (ko) * 2018-05-03 2020-11-17 주식회사 지니틱스 Vcm의 코일저항을 측정하는 방법 및 이를 위한 vcm 구동장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6089798U (ja) * 1983-11-22 1985-06-19 カルソニックカンセイ株式会社 フアンモ−タの制御装置
JPH0728501B2 (ja) * 1989-03-24 1995-03-29 株式会社村田製作所 過電流保護回路
JPH04208096A (ja) * 1990-11-30 1992-07-29 Nippondenso Co Ltd 送風機制御装置
JP2970435B2 (ja) * 1994-11-08 1999-11-02 ティアック株式会社 光ディスク装置
JP3271478B2 (ja) * 1995-07-19 2002-04-02 松下電器産業株式会社 電流指令型ｐｗｍインバータ
JP3262709B2 (ja) * 1996-04-25 2002-03-04 三菱電機株式会社 モータのベクトル制御方法およびベクトル制御インバータ装置
JPH10340410A (ja) * 1997-06-06 1998-12-22 Mitsubishi Electric Corp リード・ライト用半導体集積回路装置
JP2002184137A (ja) * 2000-12-13 2002-06-28 Hitachi Ltd 磁気ディスク記憶装置
US6653810B2 (en) * 2001-01-12 2003-11-25 Hewlett-Packard Development Company, L.P. Motor control system
JP3871200B2 (ja) * 2001-05-30 2007-01-24 株式会社ルネサステクノロジ 磁気ディスク記憶装置
JP4265877B2 (ja) * 2001-05-30 2009-05-20 株式会社ルネサステクノロジ 磁気ディスク記憶装置

Also Published As

Publication number Publication date
TW200509514A (en) 2005-03-01
JP2005073340A (ja) 2005-03-17
CN100456624C (zh) 2009-01-28
WO2005020425A1 (ja) 2005-03-03
US20060187567A1 (en) 2006-08-24
CN1836368A (zh) 2006-09-20

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees