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EP1430587A4 - Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors - Google Patents

Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors

Info

Publication number
EP1430587A4
EP1430587A4 EP01977103A EP01977103A EP1430587A4 EP 1430587 A4 EP1430587 A4 EP 1430587A4 EP 01977103 A EP01977103 A EP 01977103A EP 01977103 A EP01977103 A EP 01977103A EP 1430587 A4 EP1430587 A4 EP 1430587A4
Authority
EP
European Patent Office
Prior art keywords
permanent magnet
torque ripple
magnet motors
brushless permanent
ripple reduction
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.)
Withdrawn
Application number
EP01977103A
Other languages
German (de)
French (fr)
Other versions
EP1430587A1 (en
Inventor
Tomy Sebastian
Sunil Keshava Murthy
Buyun Liu
Scott R Berggren
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1430587A1 publication Critical patent/EP1430587A1/en
Publication of EP1430587A4 publication Critical patent/EP1430587A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
EP01977103A 2001-09-14 2001-09-14 Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors Withdrawn EP1430587A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/028812 WO2003026105A1 (en) 2001-09-14 2001-09-14 Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors

Publications (2)

Publication Number Publication Date
EP1430587A1 EP1430587A1 (en) 2004-06-23
EP1430587A4 true EP1430587A4 (en) 2004-12-29

Family

ID=21742845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01977103A Withdrawn EP1430587A4 (en) 2001-09-14 2001-09-14 Method and apparatus for torque ripple reduction in sinusoidally excited brushless permanent magnet motors

Country Status (2)

Country Link
EP (1) EP1430587A4 (en)
WO (1) WO2003026105A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8536748B2 (en) 2008-11-11 2013-09-17 Ford Global Technologies, Llc Permanent magnet machine with different pole arc angles
JP5496255B2 (en) * 2012-05-31 2014-05-21 三菱電機株式会社 Method for manufacturing rotor of magnet type rotating electrical machine and manufacturing apparatus thereof
WO2015092463A1 (en) 2013-12-20 2015-06-25 Aktiebolaget Skf Method for controlling an electric motor and sensor unit for implementing such a method
WO2015092462A1 (en) 2013-12-20 2015-06-25 Aktiebolaget Skf Method and system for controlling an electric motor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315198A (en) * 1990-04-24 1994-05-24 Toroh Vilmos C Synchronous machine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1603969A (en) * 1977-05-26 1981-12-02 Matsushita Electric Ind Co Ltd Rotary electrical machine
DE3578281D1 (en) * 1984-07-11 1990-07-19 Matsushita Electric Ind Co Ltd ELECTRIC ROTATOR.
US4739201A (en) * 1986-07-25 1988-04-19 The Superior Electric Company Means to reduce harmonic torque in electromagnetic machines
IT1245432B (en) * 1991-03-04 1994-09-20 Magneti Marelli Spa IMPROVEMENTS IN THREE-PHASE BRUSHLESS MOTORS WITH ONE-HALF CONTROL
JP3363682B2 (en) * 1995-12-19 2003-01-08 株式会社ミツバ Magnet generator
JP3490219B2 (en) * 1996-06-26 2004-01-26 ミネベア株式会社 Rotating electric machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5315198A (en) * 1990-04-24 1994-05-24 Toroh Vilmos C Synchronous machine

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
H.-D. KOLLETSCHKE: "Die modulare dauermagnetmaschine - Aufbau und Eigenschaften (The modular permanent magnet machine - Assembly and properties)", PHD THESIS, 1987, UNIVERSITY OF THE BUNDESWEHR MUNICH, XP002301888 *
HUANG, S.; AYDIN, M.; LIPO, T.A.: "Electromagnetic vibration and noise assessment for surface mounted PM machines", IEEE POWER ENGINEERING SOCIETY SUMMER MEETING, vol. 3, July 2001 (2001-07-01), pages 1417 - 1426, XP002301889 *
See also references of WO03026105A1 *
SURONG HUANG; AYDIN, M.; LIPO, T.A.: "Torque quality assessment and sizing optimization for surface mounted permanent magnet machines", THIRTY-SIXTH IAS ANNUAL MEETING, vol. 3, September 2001 (2001-09-01), pages 1603 - 1610, XP002301887 *

Also Published As

Publication number Publication date
WO2003026105A1 (en) 2003-03-27
EP1430587A1 (en) 2004-06-23

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040414

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: LIU, BUYUN

Inventor name: BERGGREN, SCOTT R.

Inventor name: SEBASTIAN, TOMY

Inventor name: MURTHY, SUNIL KESHAVA

RIC1 Information provided on ipc code assigned before grant

Ipc: 7H 02K 29/03 B

Ipc: 7H 02K 1/27 B

Ipc: 7H 02K 21/12 A

A4 Supplementary search report drawn up and despatched

Effective date: 20041111

17Q First examination report despatched

Effective date: 20050222

17Q First examination report despatched

Effective date: 20050222

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20070825