JPS5229917A - Detection circuit for position of rotor in commutatorless motor - Google Patents

Detection circuit for position of rotor in commutatorless motor

Info

Publication number
JPS5229917A
JPS5229917A JP50105932A JP10593275A JPS5229917A JP S5229917 A JPS5229917 A JP S5229917A JP 50105932 A JP50105932 A JP 50105932A JP 10593275 A JP10593275 A JP 10593275A JP S5229917 A JPS5229917 A JP S5229917A
Authority
JP
Japan
Prior art keywords
detection circuit
rotor
commutatorless motor
armature coils
commutatorless
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
JP50105932A
Other languages
Japanese (ja)
Other versions
JPS5825038B2 (en
Inventor
Kenichi Iizuka
Yasuo Hosoda
Hideo Uzuhashi
Katsuhiko Yabe
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP50105932A priority Critical patent/JPS5825038B2/en
Publication of JPS5229917A publication Critical patent/JPS5229917A/en
Publication of JPS5825038B2 publication Critical patent/JPS5825038B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
    • H02P6/188—Circuit arrangements for detecting position without separate position detecting elements using the voltage difference between the windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Brushless Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE:A detection circuit with no detecting elements, wherein the relative position between a field pole and armature coils are detected exactly by using speed electromotive force induced in the armature coils.
JP50105932A 1975-09-03 1975-09-03 Cairo Expired JPS5825038B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50105932A JPS5825038B2 (en) 1975-09-03 1975-09-03 Cairo

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50105932A JPS5825038B2 (en) 1975-09-03 1975-09-03 Cairo

Publications (2)

Publication Number Publication Date
JPS5229917A true JPS5229917A (en) 1977-03-07
JPS5825038B2 JPS5825038B2 (en) 1983-05-25

Family

ID=14420613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50105932A Expired JPS5825038B2 (en) 1975-09-03 1975-09-03 Cairo

Country Status (1)

Country Link
JP (1) JPS5825038B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155799A (en) * 1978-05-30 1979-12-08 Miharu Communication Emergency warning device for television community hearing device
JPS59144389A (en) * 1983-02-02 1984-08-18 ゼネラル・エレクトリツク・カンパニイ Electronic commutation type motor operating and controlling system and electric washing machine using same motor
US4495450A (en) * 1982-12-29 1985-01-22 Sanyo Electric Co., Ltd. Control device for brushless motor
US4912379A (en) * 1987-05-21 1990-03-27 Victor Company Of Japan, Ltd. Multi-phase brushless motor with increased starting torque and reduced torque ripple
JPH07264835A (en) * 1995-02-20 1995-10-13 Sanyo Electric Co Ltd Commutatorless motor for fan motor
JPH07264834A (en) * 1995-02-20 1995-10-13 Sanyo Electric Co Ltd Commutatorless motor
JPH07322591A (en) * 1995-02-20 1995-12-08 Sanyo Electric Co Ltd Commutatorless motor
WO1998021816A1 (en) * 1996-11-12 1998-05-22 Motorola, Inc. Wilmington Geneva Branch Office Method and apparatus for electronically commuting an electric motor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07274584A (en) * 1994-03-30 1995-10-20 Zexel Corp Driving apparatus for commutatorless dc motor
MY113852A (en) 1994-09-14 2002-06-29 Mitsubishi Electric Corp Frame for flexible disk drive unit having distortion prevention hole and 2 ribs formed around motor attaching hole

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54155799A (en) * 1978-05-30 1979-12-08 Miharu Communication Emergency warning device for television community hearing device
US4495450A (en) * 1982-12-29 1985-01-22 Sanyo Electric Co., Ltd. Control device for brushless motor
JPS59144389A (en) * 1983-02-02 1984-08-18 ゼネラル・エレクトリツク・カンパニイ Electronic commutation type motor operating and controlling system and electric washing machine using same motor
US4912379A (en) * 1987-05-21 1990-03-27 Victor Company Of Japan, Ltd. Multi-phase brushless motor with increased starting torque and reduced torque ripple
JPH07264835A (en) * 1995-02-20 1995-10-13 Sanyo Electric Co Ltd Commutatorless motor for fan motor
JPH07264834A (en) * 1995-02-20 1995-10-13 Sanyo Electric Co Ltd Commutatorless motor
JPH07322591A (en) * 1995-02-20 1995-12-08 Sanyo Electric Co Ltd Commutatorless motor
WO1998021816A1 (en) * 1996-11-12 1998-05-22 Motorola, Inc. Wilmington Geneva Branch Office Method and apparatus for electronically commuting an electric motor

Also Published As

Publication number Publication date
JPS5825038B2 (en) 1983-05-25

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