WO2008075269A3 - Control system and method for negative damping compensation in magnetic levitation - Google Patents

Control system and method for negative damping compensation in magnetic levitation Download PDF

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Publication number
WO2008075269A3
WO2008075269A3 PCT/IB2007/055085 IB2007055085W WO2008075269A3 WO 2008075269 A3 WO2008075269 A3 WO 2008075269A3 IB 2007055085 W IB2007055085 W IB 2007055085W WO 2008075269 A3 WO2008075269 A3 WO 2008075269A3
Authority
WO
WIPO (PCT)
Prior art keywords
control system
magnetic levitation
gap
negative damping
phase lead
Prior art date
Application number
PCT/IB2007/055085
Other languages
French (fr)
Other versions
WO2008075269A2 (en
Inventor
Arjan F Bakker
Original Assignee
Koninkl Philips Electronics Nv
Philips Corp
Arjan F Bakker
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 Koninkl Philips Electronics Nv, Philips Corp, Arjan F Bakker filed Critical Koninkl Philips Electronics Nv
Priority to EP07859380A priority Critical patent/EP2095198A2/en
Priority to JP2009542310A priority patent/JP2010514991A/en
Publication of WO2008075269A2 publication Critical patent/WO2008075269A2/en
Publication of WO2008075269A3 publication Critical patent/WO2008075269A3/en

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B5/00—Anti-hunting arrangements
    • G05B5/01—Anti-hunting arrangements electric
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B6/00—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential
    • G05B6/02—Internal feedback arrangements for obtaining particular characteristics, e.g. proportional, integral or differential electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/10—Railway vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Feedback Control In General (AREA)

Abstract

A magnetic levitation control system (100) includes a sensor (106) configured to measure a gap between an electro magnet and a stage and generate a gap measurement signal. A gap filter (112) is configured to receive the gap measurement signal and provide a phase lead signal which estimates and accounts for delays between the gap measurement signal and a compensation action. An estimation block (114) is configured to receive the phase lead signal and provide the compensation action in accordance with the phase lead signal such that negative stiffness and negative damping effects are compensated for in the control system.
PCT/IB2007/055085 2006-12-19 2007-12-13 Control system and method for negative damping compensation in magnetic levitation WO2008075269A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07859380A EP2095198A2 (en) 2006-12-19 2007-12-13 Control system and method for negative damping compensation in magnetic levitation
JP2009542310A JP2010514991A (en) 2006-12-19 2007-12-13 Control system and method for negative damping correction of magnetic levitation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87062906P 2006-12-19 2006-12-19
US60/870,629 2006-12-19

Publications (2)

Publication Number Publication Date
WO2008075269A2 WO2008075269A2 (en) 2008-06-26
WO2008075269A3 true WO2008075269A3 (en) 2008-08-21

Family

ID=39478634

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/055085 WO2008075269A2 (en) 2006-12-19 2007-12-13 Control system and method for negative damping compensation in magnetic levitation

Country Status (5)

Country Link
EP (1) EP2095198A2 (en)
JP (1) JP2010514991A (en)
KR (1) KR20090091300A (en)
CN (1) CN101568892A (en)
WO (1) WO2008075269A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102107375B (en) * 2010-11-26 2013-01-02 北京工业大学 Negative stiffness principle-based grinding process system stiffness compensation mechanism
KR102514431B1 (en) * 2016-09-08 2023-03-27 트랜스포드 인코포레이티드 Vehicles for traveling along linear router guideways
EP3367068A1 (en) * 2017-02-27 2018-08-29 KONE Corporation Method for levitation control of a linear motor, method for determining a position of a linear motor, inductive sensing device, and elevator system
CN108045262B (en) * 2017-12-06 2019-08-06 西南交通大学 A kind of suspension control method of air-gap-free Derivative Feedback
CN111439592B (en) * 2020-04-06 2021-07-23 哈尔滨工业大学 Compensation method for ultrasonic levitation transmission distance based on excitation phase

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030080638A1 (en) * 1999-01-27 2003-05-01 Ebara Corporation Controlled magnetic bearing apparatus
US6590366B1 (en) * 2000-11-02 2003-07-08 General Dyanmics Advanced Technology Systems, Inc. Control system for electromechanical arrangements having open-loop instability

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030080638A1 (en) * 1999-01-27 2003-05-01 Ebara Corporation Controlled magnetic bearing apparatus
US6590366B1 (en) * 2000-11-02 2003-07-08 General Dyanmics Advanced Technology Systems, Inc. Control system for electromechanical arrangements having open-loop instability

Also Published As

Publication number Publication date
JP2010514991A (en) 2010-05-06
WO2008075269A2 (en) 2008-06-26
KR20090091300A (en) 2009-08-27
EP2095198A2 (en) 2009-09-02
CN101568892A (en) 2009-10-28

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