JPS55120364A - Brushless electric motor - Google Patents

Brushless electric motor

Info

Publication number
JPS55120364A
JPS55120364A JP2618079A JP2618079A JPS55120364A JP S55120364 A JPS55120364 A JP S55120364A JP 2618079 A JP2618079 A JP 2618079A JP 2618079 A JP2618079 A JP 2618079A JP S55120364 A JPS55120364 A JP S55120364A
Authority
JP
Japan
Prior art keywords
windings
hall elements
electric motor
signals
transistors
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.)
Pending
Application number
JP2618079A
Other languages
Japanese (ja)
Inventor
Kenji Yamazaki
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.)
Shibaura Mechatronics Corp
Original Assignee
Shibaura Engineering Works 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 Shibaura Engineering Works Co Ltd filed Critical Shibaura Engineering Works Co Ltd
Priority to JP2618079A priority Critical patent/JPS55120364A/en
Publication of JPS55120364A publication Critical patent/JPS55120364A/en
Pending 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

Abstract

PURPOSE:To reduce a number of parts needed for an electric motor and obtain a high torque characteristic by applying a voltage of full wave to three-phase stator- windings placed in Y-connection according to the output signal from two Hall elements. CONSTITUTION:Around a rotor 1 made of a permanent magnet, Hall elements 1PS and 2PS are arranged at an interval of about 120 deg.. Each end of three-phase stator-windings 2U, 2V, and 2W is placed in Y-connection, and the other ends of the coils are connected to transistors 3-8 which are placed in push-pull. Signals of the same polarity, either positive or negative, of the signals obtained by the Hall elements 1PS and 2PS are combined each other in a fixed control circuit to produce driving signals for the three phases. The stator windings 2U, 2V, and 2W are applied with a voltage of full wave by switching each of the transistors 3-8 according to the driving signals.
JP2618079A 1979-03-08 1979-03-08 Brushless electric motor Pending JPS55120364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2618079A JPS55120364A (en) 1979-03-08 1979-03-08 Brushless electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2618079A JPS55120364A (en) 1979-03-08 1979-03-08 Brushless electric motor

Publications (1)

Publication Number Publication Date
JPS55120364A true JPS55120364A (en) 1980-09-16

Family

ID=12186319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2618079A Pending JPS55120364A (en) 1979-03-08 1979-03-08 Brushless electric motor

Country Status (1)

Country Link
JP (1) JPS55120364A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626752A (en) * 1985-03-04 1986-12-02 Fujisaki Kyonori Electric motor having Hall generators and control circuit
US4658190A (en) * 1983-10-27 1987-04-14 Kabushiki Kaisha Sankyo Seiki Seisakusho Reduced ripple drive circuit for a brushless motor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE JOURNAL OF SOLIDSTATE CIRCUITS#V6#N5=1971 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658190A (en) * 1983-10-27 1987-04-14 Kabushiki Kaisha Sankyo Seiki Seisakusho Reduced ripple drive circuit for a brushless motor
US4626752A (en) * 1985-03-04 1986-12-02 Fujisaki Kyonori Electric motor having Hall generators and control circuit

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