KR960019950A - Permanent Magnet Synchronous Motor Current Control Device - Google Patents

Permanent Magnet Synchronous Motor Current Control Device Download PDF

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Publication number
KR960019950A
KR960019950A KR1019940030806A KR19940030806A KR960019950A KR 960019950 A KR960019950 A KR 960019950A KR 1019940030806 A KR1019940030806 A KR 1019940030806A KR 19940030806 A KR19940030806 A KR 19940030806A KR 960019950 A KR960019950 A KR 960019950A
Authority
KR
South Korea
Prior art keywords
current
permanent magnet
synchronous motor
magnet synchronous
inputting
Prior art date
Application number
KR1019940030806A
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Korean (ko)
Inventor
권택준
이병석
Original Assignee
석진철
대우중공업 주식회사
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.)
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Publication date
Application filed by 석진철, 대우중공업 주식회사 filed Critical 석진철
Priority to KR1019940030806A priority Critical patent/KR960019950A/en
Publication of KR960019950A publication Critical patent/KR960019950A/en

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Abstract

본 발명은 영구자석 동기모터(44)의 전류제어장치에 관한 것으로, 상기 속도제어신호를 입력하여 미리 저장된 상기 쇄교자속파형을 기준으로 전류지령을 발생하는 전류지령 발생부(21)와; 상기 전류지령 발생부(21)의 출력을 궤환된 전류와 비교하여 제어전류를 출력하는 비례적분 전류제어기(22) ; 상기 비례적분 전류제어기(22)의 출력을 입력하여 영구자석 동기모터(44)의 역기전력을 보상하는 역기전력보상부(23); 상기 역기전력보상부(23)의 출력을 입력하여 3상의 펄스폭변조신호를 출력하는 펄스폭변조부(24) ; 및 상기 영구자석 동기모터의 권선에 흐르는 전류를 검출하여 디지탈 변환 후 3상/2상 좌표를 변환하여 궤환전류를 출력하는 좌표변환부(25)를 구비하여 측정된 쇄교자속으로부터 계산한 전류지령에 의해 토크 리플을 제거한다.The present invention relates to a current control device for a permanent magnet synchronous motor (44), comprising: a current command generation unit (21) for inputting the speed control signal to generate a current command based on a previously stored linkage flux waveform; A proportional integral current controller 22 for outputting a control current by comparing the output of the current command generator 21 with the feedback current; A back electromotive force compensator (23) for inputting the output of the proportional integral current controller (22) to compensate for back electromotive force of the permanent magnet synchronous motor (44); A pulse width modulator 24 for outputting a three-phase pulse width modulated signal by inputting the output of the counter electromotive force compensator 23; And a coordinate conversion unit 25 which detects a current flowing in the winding of the permanent magnet synchronous motor, converts three-phase and two-phase coordinates after digital conversion, and outputs a feedback current. Torque ripple is eliminated by

Description

영구자석 동기모터읜 전류제어장치Permanent Magnet Synchronous Motor Current Control Device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 영구자석 동기모터의 전류제어장치를 도시한 블럭도,1 is a block diagram showing a current control device of a permanent magnet synchronous motor according to the present invention;

제3도는 영구자석 동기모터의 서보제어장치를 도시한 블럭도.3 is a block diagram showing a servo control device of a permanent magnet synchronous motor.

Claims (1)

영구자석 동기모터(44)의 고정자권선의 쇄교자속파형을 측정하여 미리 저장한 후, 상기 영구자석 동기모터(44)의 회전속도를 지령속도와 비교하여 검출한 속도제어신호를 입력하여 상기 측정된 쇄교자속파형을 기준으로 전류지령을 발생하는 영구자석 동기모터(44)의 전류제어장치에 있어서, 상기 속도제어신호를 입력하여 미리 저장된 상기 쇄교자속파형을 기준으로 전류지령을 발생하는 전류지령 발생부(21)와; 상기 전류지령 발생부(21)의 출력을 궤환된 전류와 비교하여 제어전류를 출력하는 비례적분 전류제어기(22) ; 상기 비례적분 전류 제어기(22)의 출력을 입력하여 영구자석 동기모터(44)의 역기전력을 보상하는 역기전력보상부(23) ; 상기 역기전력보상부(23)의 출력을 입력하여 3상의 펄스폭변조신호를 출력하는 펄스폭변조부(24) ; 및 상기 영구자석 동기모터의 권선에 흐르는 전류를 검출하여 디지탈 변환 후 3상/2상 좌표를 변환하여 궤환전류를 출력하는 좌표변환부(25)를 구비한 것을 특징으로 하는 영구자석 동기모터의 전류제어장치.After measuring and storing the linkage flux waveform of the stator winding of the permanent magnet synchronous motor 44, the measured speed control signal is inputted by comparing the rotational speed of the permanent magnet synchronous motor 44 with the command speed. In the current control device of the permanent magnet synchronous motor (44) for generating a current command based on the chain link flux waveform, the current for generating a current command on the basis of the chain link flux waveform stored in advance by inputting the speed control signal A command generator 21; A proportional integral current controller 22 for outputting a control current by comparing the output of the current command generator 21 with the feedback current; A back electromotive force compensator (23) for inputting the output of the proportional integral current controller (22) to compensate for back electromotive force of the permanent magnet synchronous motor (44); A pulse width modulator 24 for outputting a three-phase pulse width modulated signal by inputting the output of the counter electromotive force compensator 23; And a coordinate converter 25 which detects a current flowing in the winding of the permanent magnet synchronous motor, converts three-phase and two-phase coordinates after digital conversion, and outputs a feedback current. Control unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940030806A 1994-11-22 1994-11-22 Permanent Magnet Synchronous Motor Current Control Device KR960019950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940030806A KR960019950A (en) 1994-11-22 1994-11-22 Permanent Magnet Synchronous Motor Current Control Device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940030806A KR960019950A (en) 1994-11-22 1994-11-22 Permanent Magnet Synchronous Motor Current Control Device

Publications (1)

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KR960019950A true KR960019950A (en) 1996-06-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940030806A KR960019950A (en) 1994-11-22 1994-11-22 Permanent Magnet Synchronous Motor Current Control Device

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KR (1) KR960019950A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030062619A (en) * 2002-01-18 2003-07-28 한종상 A circuit for regular speed of D.C motor
KR100848155B1 (en) * 2007-02-02 2008-07-23 삼성전자주식회사 Control method of the permanent magnet synchronous motor
KR20220030576A (en) * 2020-09-03 2022-03-11 현대트랜시스 주식회사 Apparatus for detecting a rotation of motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030062619A (en) * 2002-01-18 2003-07-28 한종상 A circuit for regular speed of D.C motor
KR100848155B1 (en) * 2007-02-02 2008-07-23 삼성전자주식회사 Control method of the permanent magnet synchronous motor
KR20220030576A (en) * 2020-09-03 2022-03-11 현대트랜시스 주식회사 Apparatus for detecting a rotation of motor

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