KR100371993B1 - 스핀들모터용능동전자기댐핑시스템 - Google Patents

스핀들모터용능동전자기댐핑시스템 Download PDF

Info

Publication number
KR100371993B1
KR100371993B1 KR10-1998-0707458A KR19980707458A KR100371993B1 KR 100371993 B1 KR100371993 B1 KR 100371993B1 KR 19980707458 A KR19980707458 A KR 19980707458A KR 100371993 B1 KR100371993 B1 KR 100371993B1
Authority
KR
South Korea
Prior art keywords
radial
rotation
disk
center shaft
rotor
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
KR10-1998-0707458A
Other languages
English (en)
Korean (ko)
Other versions
KR20000004912A (ko
Inventor
군터 케이. 하이네
한스 리우솔드
크리스찬 플레우리
Original Assignee
시게이트 테크놀로지 엘엘씨
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 시게이트 테크놀로지 엘엘씨 filed Critical 시게이트 테크놀로지 엘엘씨
Publication of KR20000004912A publication Critical patent/KR20000004912A/ko
Application granted granted Critical
Publication of KR100371993B1 publication Critical patent/KR100371993B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04Balancing means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0444Details of devices to control the actuation of the electromagnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04Ball or roller bearings, e.g. with resilient rolling bodies
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C39/00Relieving load on bearings
    • F16C39/06Relieving load on bearings using magnetic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/18Suppression of vibrations in rotating systems by making use of members moving with the system using electric, magnetic or electromagnetic means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/09Structural association with bearings with magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Vibration Prevention Devices (AREA)
  • Rotational Drive Of Disk (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Control Of Multiple Motors (AREA)
KR10-1998-0707458A 1996-03-26 1997-03-19 스핀들모터용능동전자기댐핑시스템 Expired - Fee Related KR100371993B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1417896P 1996-03-26 1996-03-26
US60/014,178 1996-03-26

Publications (2)

Publication Number Publication Date
KR20000004912A KR20000004912A (ko) 2000-01-25
KR100371993B1 true KR100371993B1 (ko) 2003-03-17

Family

ID=21763976

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-1998-0707458A Expired - Fee Related KR100371993B1 (ko) 1996-03-26 1997-03-19 스핀들모터용능동전자기댐핑시스템

Country Status (6)

Country Link
US (1) US6140790A (enExample)
JP (2) JP2000507335A (enExample)
KR (1) KR100371993B1 (enExample)
DE (1) DE19781660T1 (enExample)
GB (1) GB2325534B (enExample)
WO (1) WO1997036361A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101168556B1 (ko) 2009-02-10 2012-07-30 후지쯔 가부시끼가이샤 라이브러리 장치 및 라이브러리 장치의 제어 방법

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7123431B2 (en) * 2002-07-30 2006-10-17 International Business Machines Corporation Precise positioning of media
DE10302531B4 (de) * 2003-01-20 2007-02-08 Minebea Co., Ltd. Messeinrichtung und Messverfahren für Elektromotoren
JP2004341608A (ja) * 2003-05-13 2004-12-02 Mitsutoyo Corp 機械装置
EP1621785A1 (en) * 2004-07-30 2006-02-01 Mecos Traxler AG Method and apparatus for controlling a magnetic bearing device
US7370524B2 (en) * 2004-08-13 2008-05-13 Lawrence Livermore National Security, Llc Adaptive vibration control using synchronous demodulation with machine tool controller motor commutation
US7525266B2 (en) * 2006-01-30 2009-04-28 Honeywell International Inc. Inverter loop latch with integrated AC detection reset
DE102006042539C5 (de) * 2006-09-11 2016-10-20 Gottfried Wilhelm Leibniz Universität Hannover Arbeitsspindel und Verfahren zum Betreiben einer Arbeitsspindel
US9638508B2 (en) 2012-02-01 2017-05-02 Seagate Technology Llc Offset reduction for displacement sensor
US9482510B2 (en) 2012-02-01 2016-11-01 Seagate Technology, Llc Noise measurement for measured displacement
US9310179B2 (en) 2012-02-01 2016-04-12 Seagate Technology Llc Spindle force actuator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891285A (en) * 1974-05-13 1975-06-24 Rockwell International Corp Electrostatic bearing sensing and control circuitry
US5138883A (en) * 1989-09-29 1992-08-18 Minister Of National Defence Of Her Majesty's Canadian Government Analog torque rebalance loop for a tuned rotor gyroscope

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3608383A (en) * 1970-02-04 1971-09-28 Us Army Single axis rate gyro and piezotransistor angular rate detector
US3974434A (en) * 1974-03-08 1976-08-10 Electronic Engineering Company Of California Stepping motor signal circuit
US4352481A (en) * 1980-03-13 1982-10-05 Hughes Aircraft Company Apparatus and method for electronic damping of resonances
FR2561738B1 (fr) * 1984-03-26 1986-08-22 Europ Propulsion Procede et dispositif de reduction des vibrations des machines tournantes equipees d'une suspension magnetique active
US4848169A (en) * 1987-05-22 1989-07-18 Honeywell, Inc. Two axis rate gyro apparatus
JPS6446015A (en) * 1987-08-08 1989-02-20 Shinko Electric Co Ltd Control apparatus of magnetic bearing
JPH0332338A (ja) * 1989-06-26 1991-02-12 Shimadzu Corp モーター体型磁気軸受
US5272815A (en) * 1990-11-14 1993-12-28 Tokimec Inc. Gyro compass
JP3463218B2 (ja) * 1993-12-24 2003-11-05 光洋精工株式会社 磁気軸受装置
JP3550584B2 (ja) * 1995-04-21 2004-08-04 正 深尾 電磁回転機械

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891285A (en) * 1974-05-13 1975-06-24 Rockwell International Corp Electrostatic bearing sensing and control circuitry
US5138883A (en) * 1989-09-29 1992-08-18 Minister Of National Defence Of Her Majesty's Canadian Government Analog torque rebalance loop for a tuned rotor gyroscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101168556B1 (ko) 2009-02-10 2012-07-30 후지쯔 가부시끼가이샤 라이브러리 장치 및 라이브러리 장치의 제어 방법

Also Published As

Publication number Publication date
GB2325534B (en) 2000-04-19
DE19781660T1 (de) 1999-04-15
JP4980386B2 (ja) 2012-07-18
JP2009118737A (ja) 2009-05-28
KR20000004912A (ko) 2000-01-25
WO1997036361A1 (en) 1997-10-02
JP2000507335A (ja) 2000-06-13
GB9818259D0 (en) 1998-10-14
GB2325534A (en) 1998-11-25
US6140790A (en) 2000-10-31

Similar Documents

Publication Publication Date Title
JP4980386B2 (ja) スピンドルモーター用の能動電磁減衰システム
EP0740141B1 (en) Electromagnetic rotary vibration for rotary body and damper using the same rotary body
US7782563B2 (en) Hard disk drive adapted to detect free-fall and perform emergency parking of read/write head prior to impact
US6603225B2 (en) Brushless spindle DC motor as an actuator to create radial force
JP3767273B2 (ja) 回転振動試験機
JPH04351348A (ja) ロータのバランス修正方法
US7456538B2 (en) Reaction balanced rotary drive mechanism
Tseng et al. Vibration of rotating-shaft HDD spindle motors with flexible stationary parts
JPH11118591A (ja) ディスク装置の筐体の振動解析方法及び解析装置
JP5052198B2 (ja) ワーク及び又は工具の工作段階における振動状態測定方法
JP3083242B2 (ja) 回転体の静止場での振動評価方法
JP4215049B2 (ja) 回転振動試験機
Lee Mechatronics in rotating machinery
Jang et al. Investigation of the electromechanical variables of the spindle motor and the actuator of a HDD due to positioning and free fall
Okada et al. Vibration control of flexible rotor by inclination control magnetic bearings with axial self-bearing motor
JPH1139786A (ja) スピンドルモータアンバランス修正装置及び方法
KR100393858B1 (ko) 방사상 힘을 발생시키는 dc 모터 액추에이터
Huang et al. The examination principle and the effect of vibration suppression of a rotor system equipped with a skew-mounted automatic ball balancer
JP2925166B2 (ja) 動吸振器を利用したつり合い試験機
Wang On the Dynamics of Rocking Motion of the Hard-Disk Drive Spindle Motor System
JPH1172376A (ja) 振動測定装置、及びそれを用いた検査方法
KR19990080098A (ko) 회전체의 밸런싱 측정 장치
Musinana et al. A novel approach to predict reed critical frequency of vertical motors
Oboe MEMS-based accelerometers use in hard disk drives
Hredzak et al. Adjustable balancer with electromagnetic release of balancing members

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

N231 Notification of change of applicant
PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

FPAY Annual fee payment

Payment date: 20130110

Year of fee payment: 11

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 11

FPAY Annual fee payment

Payment date: 20140109

Year of fee payment: 12

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 12

FPAY Annual fee payment

Payment date: 20150109

Year of fee payment: 13

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 13

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20160130

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20160130

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000