CA1231162A - Non-linear control type magnetic bearing - Google Patents

Non-linear control type magnetic bearing

Info

Publication number
CA1231162A
CA1231162A CA000482077A CA482077A CA1231162A CA 1231162 A CA1231162 A CA 1231162A CA 000482077 A CA000482077 A CA 000482077A CA 482077 A CA482077 A CA 482077A CA 1231162 A CA1231162 A CA 1231162A
Authority
CA
Canada
Prior art keywords
signal
current
switching
magnetic bearing
velocity
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
Application number
CA000482077A
Other languages
English (en)
French (fr)
Inventor
Shitta Shingu
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of CA1231162A publication Critical patent/CA1231162A/en
Expired 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
    • 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
    • F16C32/0446—Determination of the actual position of the moving member, e.g. details of sensors
    • 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
    • F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
CA000482077A 1984-07-11 1985-05-22 Non-linear control type magnetic bearing Expired CA1231162A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14398184A JPS6124816A (ja) 1984-07-11 1984-07-11 非線形制御型磁気軸受
JP143981/84 1984-07-11

Publications (1)

Publication Number Publication Date
CA1231162A true CA1231162A (en) 1988-01-05

Family

ID=15351537

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000482077A Expired CA1231162A (en) 1984-07-11 1985-05-22 Non-linear control type magnetic bearing

Country Status (5)

Country Link
US (1) US4623202A (enExample)
EP (1) EP0168145B1 (enExample)
JP (1) JPS6124816A (enExample)
CA (1) CA1231162A (enExample)
DE (1) DE3582522D1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8601195A (nl) * 1986-05-12 1987-12-01 Stichting Tech Wetenschapp Elektromagnetische vibrator voor seismische en civiel-technische toepassingen.
FR2632354B1 (fr) * 1988-06-06 1990-09-28 Mecanique Magnetique Sa Dispositif formant joint suiveur pour machine tournante
EP0549912B1 (en) * 1992-01-03 1997-11-05 British Nuclear Fuels PLC Apparatus for the electromagnetic control of the suspension of an object
US5262692A (en) * 1992-04-13 1993-11-16 Center For Innovative Technology Variable voltage switched current control
US5696412A (en) * 1993-10-20 1997-12-09 Iannello; Victor Sensor-less position detector for an active magnetic bearing
US5495221A (en) * 1994-03-09 1996-02-27 The Regents Of The University Of California Dynamically stable magnetic suspension/bearing system
US5736800A (en) * 1994-10-18 1998-04-07 Iannello; Victor Light weight, high performance radial actuator for magnetic bearing systems
FR2742497B1 (fr) * 1995-12-18 1998-04-03 Aerospatiale Palier magnetique a actionneurs et capteurs alternes
US5921505A (en) * 1996-12-02 1999-07-13 Trw Inc. System and method for reducing mechanical disturbances from energy storage flywheels
US6472777B1 (en) * 1998-08-25 2002-10-29 Nikon Corporation Capacitive sensor calibration method and apparatus for opposing electro-magnetic actuators
US6069417A (en) * 1998-08-27 2000-05-30 Nikon Corporation Stage having paired E/I core actuator control
US6373676B1 (en) * 1998-10-05 2002-04-16 Span Inc. Magnetic floatation control system
JP4521846B2 (ja) * 2000-08-18 2010-08-11 健蔵 野波 電磁吸引式磁気軸受とその非線形制御方法
JP5003879B2 (ja) * 2007-03-30 2012-08-15 株式会社Ｉｈｉ 電磁吸引式磁気軸受とその制御方法
US8228762B2 (en) 2009-08-06 2012-07-24 Geokinetics Acquisition Company Magnetic mass-lift impulsive seismic energy source including attracting and repulsing electromagnets
CN113833757B (zh) * 2021-09-23 2022-08-02 北京航空航天大学 一种五自由度转子轴向位移自传感磁悬浮轴承
CN114738385B (zh) * 2022-04-28 2023-03-21 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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090239A (en) * 1955-05-12 1963-05-21 Bill Jack Scient Instr Co Accelerometer
US3785709A (en) * 1972-06-07 1974-01-15 North American Rockwell Force-position decoupler for electrostatic gyroscope suspension system
US3787100A (en) * 1972-12-11 1974-01-22 Armement Direction Tech Engins Devices including rotating members supported by magnetic bearings
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
DE2537597A1 (de) * 1975-08-23 1977-03-03 Padana Ag Elektromagnetische lagerungseinrichtung
US4078436A (en) * 1976-02-27 1978-03-14 Honeywell Inc. Adaptive bias for electrically suspended gyroscope
JPS56150617A (en) * 1980-04-22 1981-11-21 Seiko Instr & Electronics Ltd Control system for zero power magnetic bearing
US4379598A (en) * 1980-12-22 1983-04-12 North American Philips Corporation Magnetic bearing
JPS57116931A (en) * 1981-01-12 1982-07-21 Nippon Seiko Kk Controllable support system
DE3130974A1 (de) * 1981-08-05 1983-02-24 Teldix Gmbh, 6900 Heidelberg Magnetlager
JPS59117915A (ja) * 1982-12-22 1984-07-07 Hitachi Ltd 磁気軸受装置

Also Published As

Publication number Publication date
JPS6124816A (ja) 1986-02-03
EP0168145B1 (en) 1991-04-17
US4623202A (en) 1986-11-18
JPH0510530B2 (enExample) 1993-02-10
EP0168145A3 (en) 1988-07-27
DE3582522D1 (de) 1991-05-23
EP0168145A2 (en) 1986-01-15

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