WO2000074227A1 - Circuit d'entrainement de moteur sans balais et moteur sans balais - Google Patents

Circuit d'entrainement de moteur sans balais et moteur sans balais Download PDF

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Publication number
WO2000074227A1
WO2000074227A1 PCT/JP2000/003428 JP0003428W WO0074227A1 WO 2000074227 A1 WO2000074227 A1 WO 2000074227A1 JP 0003428 W JP0003428 W JP 0003428W WO 0074227 A1 WO0074227 A1 WO 0074227A1
Authority
WO
WIPO (PCT)
Prior art keywords
phase
brushless motor
speed
voltage
drive circuit
Prior art date
Application number
PCT/JP2000/003428
Other languages
English (en)
Japanese (ja)
Inventor
Hisashi Takahashi
Hirokazu Yashiro
Takehiro Higuchi
Original Assignee
Ibiden Co., 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 Ibiden Co., Ltd. filed Critical Ibiden Co., Ltd.
Publication of WO2000074227A1 publication Critical patent/WO2000074227A1/fr

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
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor

Definitions

  • a mouth having a field magnet, and a stay having first, second and third phase coils for rotating the rotor.
  • a drive circuit for a brushless motor comprising: at least one position detection sensor for detecting a relative position between the rotor and the stay.
  • the number of signal lines can be reduced. Furthermore, when the brushless motor rotates at a low speed (less than a predetermined rotation speed), it is driven by a sine wave PWM method. When the brushless motor rotates at a high speed (more than a predetermined rotation speed), a square wave is used. Since the motor is driven by the PWM method, the brushless motor can be driven smoothly with little torque pulsation in the entire rotation range from low speed (0) to high speed (tens of thousands of rotations).
  • Magnets 54 A and 54 B are provided at the right and left ends of the row 50 in the figure to repel the magnets 64 A and 64 B attached to the stay 60 side.
  • the force regulates the movement of the lowway 50 in the thrust direction.
  • a hole sensor 70 (see FIG. 2) for detecting the polarity of the field magnet 52 is attached to the brushless motor.
  • the U-phase detection signal detected by the Hall sensor 70 is sent to the drive circuit 10 via one signal line 78.
  • the brushless motor can be appropriately controlled from a high speed to a low speed with one Hall sensor 70. Furthermore, when the brushless motor rotates at a low speed (less than a predetermined number of revolutions), it is driven by a sine wave PWM method. When the brushless motor rotates at a high speed (more than a predetermined number of revolutions), a square wave is used. Since the motor is driven by the PWM method, the brushless motor can be driven smoothly with little torque pulsation in the entire rotation range from low speed (0) to high speed (tens of thousands of rotations).
  • the capacitor C connected in series to the lower FET, FET 4, and FET 6 1, C3 and C5 are charged, respectively, and the upper FET1, FET3 and FET5 are sequentially turned on by the upper photocouplers FC1, FC3 and FC5 using the charged electric charge.
  • the upper and lower FET1 to FET6 of the three-phase power conversion circuit can be controlled by a single power supply (+ 15V FET control voltage).
  • Vv- Vw L (d (i v — i w) / ⁇ t) + R (i v — i w) + e v — ew
  • FIG. 4 shows the reverse voltage.
  • the switching between the sine-wave drive in the low-speed rotation range and the square-wave drive in the high-speed rotation range is performed at the timing when the back electromotive voltage of the coil crosses the cross section. This prevents vibrations, etc., from being generated during brushless switching. That is, in the square wave drive (6-step drive), the rotating magnetic field rotates stepwise at an electrical angle of 60 °.
  • the U-phase is detected using the Hall sensor 70.
  • the above operation can be realized by detecting the V-phase or the W-phase.
  • a force using a hall sensor to detect the relative position between the stay and the mouth can be replaced by various sensors capable of detecting the position.
  • the number of signal lines can be reduced.
  • the brushless motor rotates at a low speed (less than a predetermined number of rotations)
  • it is driven by a sine wave PWM method.
  • a square wave PWM is used. Since the motor is driven by this method, the brushless motor can be driven smoothly with little torque pulsation in the entire rotation range from low speed (0) to high speed (tens of thousands of rotations).

Landscapes

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

Abstract

L'invention concerne un circuit de commande qui permet de réduire le nombre de lignes de signaux, ainsi qu'un moteur sans balais qui peut être commandé dans une large plage de rotation. Lorsque le moteur tourne à une grande vitesse de rotation, c'est-à-dire, lorsque le niveau de la tension contre-électromotrice de chaque bobine est élevé, la synchronisation de la conduction de 120 degrés triphasée est détectée par les tensions contre-électromotrices entre les phases des bobines pour commander le moteur selon un procédé MID à onde rectangulaire. Par ailleurs, lorsque le moteur tourne à une faible vitesse de rotation, c'est-à-dire lorsque le niveau de la tension contre-électromotrice est bas, les bobines des phases sont commandées selon un procédé MID à onde sinusoïdale, les phases étant alors différentes de 120 degrés sur la base du signal de détection à partir d'au moins un capteur Hall. Le moteur sans balais peut donc être correctement commandé entre une vitesse de rotation élevée et une faible vitesse de rotation sur la base des signaux provenant d'un capteur Hall (70).
PCT/JP2000/003428 1999-06-01 2000-05-26 Circuit d'entrainement de moteur sans balais et moteur sans balais WO2000074227A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11/154047 1999-06-01
JP11154047A JP2000350485A (ja) 1999-06-01 1999-06-01 ブラシレスモータ駆動回路及びブラシレスモータ

Publications (1)

Publication Number Publication Date
WO2000074227A1 true WO2000074227A1 (fr) 2000-12-07

Family

ID=15575765

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/003428 WO2000074227A1 (fr) 1999-06-01 2000-05-26 Circuit d'entrainement de moteur sans balais et moteur sans balais

Country Status (2)

Country Link
JP (1) JP2000350485A (fr)
WO (1) WO2000074227A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112986611A (zh) * 2021-02-01 2021-06-18 中国科学院空天信息创新研究院 无刷电机转速检测电路

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20020787A1 (it) * 2002-04-12 2003-10-13 Sandvik Sorting Systems S P A Sistema di traino migliorato per macchine smistatrici
US7073872B2 (en) 2003-07-23 2006-07-11 Matsushita Electric Industrial Co., Ltd. Motor driving apparatus and disk apparatus using the same
JP3981669B2 (ja) 2004-03-02 2007-09-26 セイコーエプソン株式会社 モータ及びモータの駆動システム
KR100847455B1 (ko) 2007-04-19 2008-07-21 주식회사 대우일렉트로닉스 단상 ｂｌｄｃ 모터 제어 장치 및 방법
KR100905937B1 (ko) 2007-05-03 2009-07-06 국방과학연구소 선형 홀 센서를 이용한 브러시리스 ｄｃ 모터 및 이 모터속도 신호 구현 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374217A (en) * 1976-12-14 1978-07-01 Efu Tei Giken Kk Method of driving brushless dc motor
JPH04183292A (ja) * 1990-11-13 1992-06-30 Matsushita Electric Ind Co Ltd Ａｃモーター制御方法
JPH05300779A (ja) * 1992-04-20 1993-11-12 Takaoka Electric Mfg Co Ltd サーボモータ制御方法
JPH06225581A (ja) * 1993-01-27 1994-08-12 Shinko Electric Co Ltd 交流モータの制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374217A (en) * 1976-12-14 1978-07-01 Efu Tei Giken Kk Method of driving brushless dc motor
JPH04183292A (ja) * 1990-11-13 1992-06-30 Matsushita Electric Ind Co Ltd Ａｃモーター制御方法
JPH05300779A (ja) * 1992-04-20 1993-11-12 Takaoka Electric Mfg Co Ltd サーボモータ制御方法
JPH06225581A (ja) * 1993-01-27 1994-08-12 Shinko Electric Co Ltd 交流モータの制御方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112986611A (zh) * 2021-02-01 2021-06-18 中国科学院空天信息创新研究院 无刷电机转速检测电路

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Publication number Publication date
JP2000350485A (ja) 2000-12-15

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