KR920013394A - Torque Ripple Improvement Method of Brushless DC Motors - Google Patents

Torque Ripple Improvement Method of Brushless DC Motors Download PDF

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Publication number
KR920013394A
KR920013394A KR1019900022309A KR900022309A KR920013394A KR 920013394 A KR920013394 A KR 920013394A KR 1019900022309 A KR1019900022309 A KR 1019900022309A KR 900022309 A KR900022309 A KR 900022309A KR 920013394 A KR920013394 A KR 920013394A
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KR
South Korea
Prior art keywords
brushless
torque ripple
phase current
current waveform
motor
Prior art date
Application number
KR1019900022309A
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Korean (ko)
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KR930004030B1 (en
Inventor
이호원
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이헌조
주식회사 금성사
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Priority to KR1019900022309A priority Critical patent/KR930004030B1/en
Publication of KR920013394A publication Critical patent/KR920013394A/en
Application granted granted Critical
Publication of KR930004030B1 publication Critical patent/KR930004030B1/en

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    • 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
    • H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
    • 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

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

Abstract

내용 없음No content

Description

브러쉬리스 직류전동기의 토오크리플 개선방법Torque Ripple Improvement Method of Brushless DC Motors

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 일반적인 브러쉬리스 직류전동기의 회전자 및 고정자의 형상을 보인 사시도, 제3도는 일반적인 브러쉬리스 직류전동기의 구동방식과 전류 파형을 보인 설명도, 제4도는 상전류 파형에 대한 통전각과 스위칭 기울기 설명도.2 is a perspective view showing the rotor and stator of a conventional brushless DC motor, and FIG. 3 is an explanatory diagram showing a driving method and a current waveform of a general brushless DC motor. Illustrative diagram.

Claims (3)

브러쉬리스 직류전동의 선형전압구동방식에 있어서, 토오크맥동지수를 최소화시킴과 아울러 평균토오크를 최대화하도록 상전류파형의 고조파성분(I)이 최소가 되는 변화율값(△)에 따사 인버터단(2)의 성능증폭기의 슬류레이트를 조절하여 통전각과 스위칭순간의 상전류파형 기울기를 조절하는 것을 특징으로 하는 브러쉬리스 직류전동기의 토오크리플 개선방법.In the linear voltage driving method of brushless DC motor drive, the inverter stage 2 depends on the change rate value (△) at which the harmonic component (I) of the phase current waveform is minimized to minimize the torque pulsation index and maximize the average torque. A method of improving the torque ripple of a brushless DC motor, characterized by adjusting the slew rate of the performance amplifier and controlling the slope of the phase current waveform of the energization angle and the switching moment. 제1항에 있어서, 상 전류파형을 푸리에 해석으로 고조파 성분(I)을 구한 후 그 고조파성분(I)의 크기()가 최소가 되도록 그 미분값()이 제로(“0”)가 되는 조건의 변화율값(△)을 구하는 것을 특징으로 하는 브러쉬리스 직류전동기의 토오크리플 개선방법.The method according to claim 1, wherein the harmonic component (I) is obtained by Fourier analysis of the phase current waveform and then the magnitude of the harmonic component (I) ( So that the derivative ( A method for improving torque ripple in a brushless DC motor, characterized by obtaining a change rate value? Of a condition where?) Becomes zero (“0”). 제1항에 있어서, 변화율값(△)을 6°로 하여 스위칭 순간의 상전류파형기울기를 조절하는 것을 특징으로 하는 브러쉬리스 직류전동기의 토오크리플 개선방법.2. The method of improving torque ripple of a brushless DC motor according to claim 1, wherein the phase current waveform slope at the switching moment is adjusted by setting the change rate value? To 6 degrees. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900022309A 1990-12-28 1990-12-28 Torque riffle improving method of brushless dc motor KR930004030B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900022309A KR930004030B1 (en) 1990-12-28 1990-12-28 Torque riffle improving method of brushless dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900022309A KR930004030B1 (en) 1990-12-28 1990-12-28 Torque riffle improving method of brushless dc motor

Publications (2)

Publication Number Publication Date
KR920013394A true KR920013394A (en) 1992-07-29
KR930004030B1 KR930004030B1 (en) 1993-05-19

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Application Number Title Priority Date Filing Date
KR1019900022309A KR930004030B1 (en) 1990-12-28 1990-12-28 Torque riffle improving method of brushless dc motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030058849A (en) * 2002-01-02 2003-07-07 주식회사 피엔에이전자 Apparatus and method for driving three phase brushless DC motor
KR100446962B1 (en) * 2000-08-25 2004-09-01 엘지산전 주식회사 Current control apparatus for three phase alternating-current motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100446962B1 (en) * 2000-08-25 2004-09-01 엘지산전 주식회사 Current control apparatus for three phase alternating-current motor
KR20030058849A (en) * 2002-01-02 2003-07-07 주식회사 피엔에이전자 Apparatus and method for driving three phase brushless DC motor

Also Published As

Publication number Publication date
KR930004030B1 (en) 1993-05-19

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