FR2726338B1 - Circuit de commande pour un systeme de paliers magnetiques actifs - Google Patents

Circuit de commande pour un systeme de paliers magnetiques actifs

Info

Publication number
FR2726338B1
FR2726338B1 FR9512738A FR9512738A FR2726338B1 FR 2726338 B1 FR2726338 B1 FR 2726338B1 FR 9512738 A FR9512738 A FR 9512738A FR 9512738 A FR9512738 A FR 9512738A FR 2726338 B1 FR2726338 B1 FR 2726338B1
Authority
FR
France
Prior art keywords
control circuit
magnetic bearing
bearing system
active magnetic
active
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
FR9512738A
Other languages
English (en)
Other versions
FR2726338A1 (fr
Inventor
Lance F Miller
Kenneth J Eakman
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.)
Barber Colman Co
Original Assignee
Barber Colman Co
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 Barber Colman Co filed Critical Barber Colman Co
Publication of FR2726338A1 publication Critical patent/FR2726338A1/fr
Application granted granted Critical
Publication of FR2726338B1 publication Critical patent/FR2726338B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0451—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control
    • F16C32/0455—Details of controllers, i.e. the units determining the power to be supplied, e.g. comparing elements, feedback arrangements with P.I.D. control including digital signal processing [DSP] and analog/digital conversion [A/D, D/A]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0457—Details of the power supply to the electromagnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0474—Active magnetic bearings for rotary movement
    • F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
FR9512738A 1994-10-28 1995-10-27 Circuit de commande pour un systeme de paliers magnetiques actifs Expired - Fee Related FR2726338B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/331,306 US5627421A (en) 1994-10-28 1994-10-28 High efficiency drive circuit for an active magnetic bearing system

Publications (2)

Publication Number Publication Date
FR2726338A1 FR2726338A1 (fr) 1996-05-03
FR2726338B1 true FR2726338B1 (fr) 1999-03-05

Family

ID=23293411

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9512738A Expired - Fee Related FR2726338B1 (fr) 1994-10-28 1995-10-27 Circuit de commande pour un systeme de paliers magnetiques actifs

Country Status (6)

Country Link
US (1) US5627421A (fr)
JP (1) JP3791948B2 (fr)
CA (1) CA2161565C (fr)
DE (1) DE19539976B4 (fr)
FR (1) FR2726338B1 (fr)
GB (1) GB2294559B (fr)

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DE19514801A1 (de) * 1995-04-21 1996-10-24 Wittur Aufzugteile Gmbh & Co Verfahren zum Steuern und Überwachen des Betriebes einer Aufzugsanlage und Wälzlager zur Anwendung bei dem Verfahren
JP2997632B2 (ja) * 1995-04-27 2000-01-11 核燃料サイクル開発機構 回転体に対する電磁的回転加振装置及びそれを用いた回転体の制振装置
JPH1082420A (ja) * 1996-09-09 1998-03-31 Ntn Corp 磁気軸受スピンドルのディジタル制御方法および制御装置
US5969451A (en) * 1996-12-13 1999-10-19 General Electric Company Current-controlled magnetic thrust compensators for mechanical thrust bearings
CA2202442A1 (fr) * 1997-04-11 1998-10-11 Revolve Technologies Inc. Commutation de mode d'alimentation d'amplificateurs a trois etats pour systemes de commande de paliers magnetiques
US6348749B1 (en) * 1997-04-14 2002-02-19 Koyo Seiko Co., Ltd. Magnetic bearing device and method of starting the device
JP3735749B2 (ja) 1997-07-22 2006-01-18 光洋精工株式会社 ターボ分子ポンプ
US6112251A (en) * 1998-01-13 2000-08-29 Cabletron Systems, Inc. Virtual local network for sending multicast transmissions to trunk stations
US6215218B1 (en) 1998-04-09 2001-04-10 Koyo Seiko Co., Ltd. Control magnetic bearing
JP2000145774A (ja) * 1998-11-17 2000-05-26 Koyo Seiko Co Ltd 制御型磁気軸受装置
EP1063753B1 (fr) * 1999-06-22 2009-07-22 Levitronix LLC Entraînement électrique rotatif comprenant un rotor suspendu magnétiquement
US6608418B2 (en) 2001-08-24 2003-08-19 Smiths Aerospace, Inc. Permanent magnet turbo-generator having magnetic bearings
JP4502667B2 (ja) * 2004-03-04 2010-07-14 エドワーズ株式会社 磁気軸受装置及び該磁気軸受装置を搭載したターボ分子ポンプ
KR100616172B1 (ko) * 2004-05-10 2006-08-25 주식회사 대우일렉트로닉스 플라즈마 표시 패널의 조도 센서를 이용한 위치 조절장치
EP1605177A1 (fr) * 2004-06-08 2005-12-14 Mecos Traxler AG Dispositif de palier magnétique à câblage simplifié
EP1903228B1 (fr) * 2005-07-05 2015-11-04 Ebara Corporation Dispositif et procédé de palier magnétique
EP1863168B1 (fr) * 2006-05-31 2020-02-26 Levitronix LLC Machine électrique multiphasée et son procédé de fonctionnement
JP5369410B2 (ja) * 2007-09-05 2013-12-18 セイコーエプソン株式会社 電動機の駆動回路及びこれを備えた機器
JP5025505B2 (ja) * 2008-01-24 2012-09-12 株式会社荏原製作所 磁気軸受装置
US8690749B1 (en) 2009-11-02 2014-04-08 Anthony Nunez Wireless compressible heart pump
US8803392B2 (en) * 2010-06-19 2014-08-12 Peter S. Aronstam Axial magnetic suspension
US8941278B2 (en) * 2010-07-19 2015-01-27 Peter S. Aronstam Method and apparatus for hybrid suspension system
CZ304430B6 (cs) * 2012-12-05 2014-04-30 Vysoká Škola Báňská-Technická Univerzita Ostrava Levitačně-vibrační zařízení pro měření viskozity, hustoty a povrchového napětí a způsob jejich měření
JP6144527B2 (ja) * 2013-04-16 2017-06-07 エドワーズ株式会社 磁気軸受装置、及び該磁気軸受装置を備えた真空ポンプ
US10495145B2 (en) * 2016-04-22 2019-12-03 Ingersoll-Rand Company Active magnetic bearing controller
WO2018102048A1 (fr) * 2016-11-30 2018-06-07 Dresser-Rand Company Amplificateur de commutation équilibré pour ensemble palier magnétique
EP3431789B1 (fr) * 2017-07-20 2019-11-20 Mecos AG Compensation du flux parasite dans un dispositif de palier magnétique
US10742179B2 (en) 2018-03-01 2020-08-11 Ingersoll-Rand Industrial U.S., Inc. Power amplifier
US10907607B2 (en) 2019-04-24 2021-02-02 Semiconductor Components Industries, Llc Circuit and method for controlling a coil current during a soft shut down
CN110332234B (zh) * 2019-06-06 2020-08-04 清华大学 磁轴承开关功率放大器的控制方法及应用系统
EP3957875B1 (fr) * 2020-08-21 2022-07-27 SpinDrive Oy Commande d'équipement de sustentation magnétique
CN112145553B (zh) * 2020-09-22 2021-08-10 珠海格力电器股份有限公司 一种磁悬浮轴承系统及其控制方法、装置和存储介质

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937533A (en) * 1974-02-08 1976-02-10 The United States Of America As Represented By The United States National Aeronautics And Space Administration Office Of General Counsel-Code Gp Axially and radially controllable magnetic bearing
FR2480959A1 (fr) * 1980-04-18 1981-10-23 Org Europeene De Rech Procede pour commander l'excitation de bobinages electriques
AU547809B2 (en) * 1980-12-24 1985-11-07 National Aeronautics And Space Administration - Nasa Linear magnetic bearings
FR2501314A1 (fr) * 1981-03-09 1982-09-10 Europ Propulsion Palier electromagnetique actif redondant
US4417772A (en) * 1981-04-10 1983-11-29 Agence Spatiale Europeenne Method and apparatus for controlling the energization of the electrical coils which control a magnetic bearing
JPS60245443A (ja) * 1984-05-18 1985-12-05 Ntn Toyo Bearing Co Ltd 制御式ラジアル磁気軸受装置
US4841184A (en) * 1987-06-23 1989-06-20 Mechanical Technology Incorporated Velocity and imbalance observer control circuit for active magnetic bearing or damper
JPH0198708A (ja) * 1987-10-07 1989-04-17 Ebara Res Co Ltd ラジアル磁気軸受装置
US5155402A (en) * 1988-06-06 1992-10-13 Teldix Gmbh Bearing radially and axially supporting rotor of large radial dimensions
GB2221064B (en) * 1988-07-19 1992-04-29 Glacier Metal Co Ltd Improvements in and relating to bearings
US5355042A (en) * 1988-09-09 1994-10-11 University Of Virginia Patent Foundation Magnetic bearings for pumps, compressors and other rotating machinery
US5347190A (en) * 1988-09-09 1994-09-13 University Of Virginia Patent Foundation Magnetic bearing systems
US4920290A (en) * 1988-11-01 1990-04-24 National Aerospace Laboratory Active magnetic bearing apparatus
US5003211A (en) * 1989-09-11 1991-03-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Permanent magnet flux-biased magnetic actuator with flux feedback
JPH0720359B2 (ja) * 1990-03-16 1995-03-06 株式会社荏原製作所 回転体のアンバランス修正装置
GB2243464B (en) * 1990-03-23 1994-02-23 Toyoda Machine Works Ltd Digital servo-control apparatus
US5053662A (en) * 1990-04-18 1991-10-01 General Electric Company Electromagnetic damping of a shaft
US5036236A (en) * 1990-05-07 1991-07-30 Hughes Aircraft Company Air gap matching proximity sensor for magnetic bearings
JP3090977B2 (ja) * 1991-05-31 2000-09-25 株式会社日立製作所 磁気軸受けの制御方法及び装置
JPH0510326A (ja) * 1991-06-27 1993-01-19 Matsushita Electric Ind Co Ltd 磁気軸受の制御装置
US5300841A (en) * 1992-11-02 1994-04-05 General Electric Company Inductive air gap estimation method for active magnetic bearings

Also Published As

Publication number Publication date
FR2726338A1 (fr) 1996-05-03
GB9521279D0 (en) 1995-12-20
CA2161565C (fr) 2006-08-08
DE19539976A1 (de) 1996-05-02
GB2294559B (en) 1998-06-10
CA2161565A1 (fr) 1996-04-29
JPH08270651A (ja) 1996-10-15
US5627421A (en) 1997-05-06
JP3791948B2 (ja) 2006-06-28
GB2294559A (en) 1996-05-01
DE19539976B4 (de) 2004-03-04

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse

Effective date: 20080630