JP2009118737A5 - - Google Patents

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Publication number
JP2009118737A5
JP2009118737A5 JP2009050819A JP2009050819A JP2009118737A5 JP 2009118737 A5 JP2009118737 A5 JP 2009118737A5 JP 2009050819 A JP2009050819 A JP 2009050819A JP 2009050819 A JP2009050819 A JP 2009050819A JP 2009118737 A5 JP2009118737 A5 JP 2009118737A5
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JP
Japan
Prior art keywords
central axis
radial
damping force
axis
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.)
Granted
Application number
JP2009050819A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009118737A (ja
JP4980386B2 (ja
Filing date
Publication date
Application filed filed Critical
Publication of JP2009118737A publication Critical patent/JP2009118737A/ja
Publication of JP2009118737A5 publication Critical patent/JP2009118737A5/ja
Application granted granted Critical
Publication of JP4980386B2 publication Critical patent/JP4980386B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2009050819A 1996-03-26 2009-03-04 スピンドルモーター用の能動電磁減衰システム Expired - Lifetime JP4980386B2 (ja)

Applications Claiming Priority (2)

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

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP9534469A Division JP2000507335A (ja) 1996-03-26 1997-03-19 スピンドルモーター用の能動電磁減衰システム

Publications (3)

Publication Number Publication Date
JP2009118737A JP2009118737A (ja) 2009-05-28
JP2009118737A5 true JP2009118737A5 (enExample) 2009-11-12
JP4980386B2 JP4980386B2 (ja) 2012-07-18

Family

ID=21763976

Family Applications (2)

Application Number Title Priority Date Filing Date
JP9534469A Ceased JP2000507335A (ja) 1996-03-26 1997-03-19 スピンドルモーター用の能動電磁減衰システム
JP2009050819A Expired - Lifetime JP4980386B2 (ja) 1996-03-26 2009-03-04 スピンドルモーター用の能動電磁減衰システム

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP9534469A Ceased JP2000507335A (ja) 1996-03-26 1997-03-19 スピンドルモーター用の能動電磁減衰システム

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)

Families Citing this family (11)

* 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
CN102292771A (zh) 2009-02-10 2011-12-21 富士通株式会社 库装置以及库装置的控制方法
US9638508B2 (en) 2012-02-01 2017-05-02 Seagate Technology Llc Offset reduction for displacement sensor
US9310179B2 (en) 2012-02-01 2016-04-12 Seagate Technology Llc Spindle force actuator
US9482510B2 (en) 2012-02-01 2016-11-01 Seagate Technology, Llc Noise measurement for measured displacement

Family Cites Families (12)

* 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
US3891285A (en) * 1974-05-13 1975-06-24 Rockwell International Corp Electrostatic bearing sensing and control circuitry
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
CA1332969C (en) * 1989-09-29 1994-11-08 Francois Paquet Analog torque rebalance loop for a tuned rotor gyroscope
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

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