KR880014729A - AC servo motor driver - Google Patents

AC servo motor driver Download PDF

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Publication number
KR880014729A
KR880014729A KR870005117A KR870005117A KR880014729A KR 880014729 A KR880014729 A KR 880014729A KR 870005117 A KR870005117 A KR 870005117A KR 870005117 A KR870005117 A KR 870005117A KR 880014729 A KR880014729 A KR 880014729A
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KR
South Korea
Prior art keywords
output
phase
circuit
servo motor
current
Prior art date
Application number
KR870005117A
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Korean (ko)
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KR890004313B1 (en
Inventor
홍진우
Original Assignee
강진구
삼성반도체통신 주식회사
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Application filed by 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR1019870005117A priority Critical patent/KR890004313B1/en
Publication of KR880014729A publication Critical patent/KR880014729A/en
Application granted granted Critical
Publication of KR890004313B1 publication Critical patent/KR890004313B1/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00Arrangements for regulating or controlling the speed or torque of electric DC motors

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

Abstract

내용 없음No content

Description

교류 서보 모터 드라이버AC servo motor driver

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

제1도는 본 발명에 따른 회로도.1 is a circuit diagram according to the present invention.

Claims (1)

교류 서보 모터(M)와 위치를 검출하는 레졸바(R)를 구비한 모터 드라이버 회로에 있어서, 상기 교류 서보 모터(M)축에 고정자 권선과 회전자 권선이 기하학적으로 직각이 되게 위치하여 회전자 회전각(Q)의 사인, 코사인에 비레하는 여자 전압으로 위치를 검출하는 레졸바(R)와, 상기 레졸바(R)에 사인, 코사인의 여자신호를 공급하는 레졸바(R) 여자회로(10)와, 상기 레졸바(R)의 출력을 이용하여 모타 속도에 따른 선형적으로 변하는 전압값을 출력하는 속도 검출회로(20)와, 상기 레졸바(R)의 회전축의 회전각도를 비교하여 위상차를 검출하는 위상 검출회로(30)와, 상기 위상 검출회로(30)로부터 출력된 레졸바(R)의 위상 검출신호 A/D(ANALOG TO DIGITAL)변환하여 교류 서보 모터(M)의 U, V, W전극에 최대 토오크(TORQUE)를 낼수 있도록 회전자에 발생되는 자속을 조절하도록 흘릴 전류를 결정하도록 하는 3위상 륨테이블(40)과, 상기 전류 감지센서에 의해 교류 서보 모트(M)의 각상에 흐르는 전류의 크기를 검출하는 전류 감지회로(50)와, 메인 장치로부터의 속도지령 신호에 위상 검출회로(30)로부터 피이드백되는 출력의 비교오차를 제1차로 P1제어하여 상기 속도검출회로(20)의 출력을 가산하는 가산기(A1)와, 상기 가산출력의 오차를 2차로 P1제어하여 속도지령 기본 신호를 출력하는 이 제어기(60)와, 상기 P1제어기(60)의 출력에 상기 3위상 롬테이블(40)의 출력값을 곱하는 누산기(M1-M3)와, 상기 누산기(M1-M3)의 출력과 상기 전류 감지회로(50)의 출력을 가산하는 가산기(A2-A4)와, 상기 각상에 대응하는 가산기(A2-A4)의 출력을 교류 서보 모터(M)의 각상에 흘러줘야할 전류를 결정하는 전류 증폭기(70)와, 멀티플라잉 정전류원 방식의 디지탈/아나로그 변환에 의해 구형파를 직분하여 삼각파를 발생하는 삼각파 발생회로(80)와, 상기 전류 증폭기(70)의 출력과 상기 삼각파 발생회로(80)의 삼각파에 의해 PWM 신호를 발생하는 PWM 발생회로(90)와, 상기 PWM 발생회로(90)의 출력으로부터 각상에 따른 PWM데이타를 드라이빙하는 제1-3게이트 드라이버(100-120)와, 상기 제1-제3 게이트 드라이버(100-120)의 각상 출력 PWM 신호에 따라 스위칭 하여 전원을 쵸핑한 후 교류 서보 모터(M)에 전원을 공급하는 인버터(130)로 구성함을 특징으로 하는 회로.In a motor driver circuit having an AC servo motor (M) and a resol bar (R) for detecting a position, the rotor is positioned so that the stator winding and the rotor winding are geometrically perpendicular to the AC servo motor (M) axis. Resolba (R) for detecting the position by the excitation voltage of sine and cosine of rotation angle (Q), and resolba (R) excitation circuit for supplying the excitation and cosine excitation signals to the resolba (R) ( 10) by comparing the rotation angle of the rotation axis of the speed detection circuit 20 and the speed detection circuit 20 for outputting a voltage value that is linearly changed according to the motor speed by using the output of the resolver (R) A phase detection circuit 30 for detecting a phase difference and a phase detection signal A / D (ANALOG TO DIGITAL) of the resolver R outputted from the phase detection circuit 30 to convert U, of the AC servo motor M; To adjust the magnetic flux generated in the rotor to give the maximum torque to the V and W electrodes A three-phase cerium table 40 for determining the current to flow, a current sensing circuit 50 for detecting the magnitude of the current flowing in each phase of the AC servo motor M by the current sensing sensor, and a velocity from the main device. An adder A1 which adds the output of the speed detection circuit 20 by controlling the comparison error of the output fed back from the phase detection circuit 30 to the command signal as the first order, and the error of the addition output as the second order. This controller 60 which controls the P1 and outputs the speed command basic signal, an accumulator M1-M3 which multiplies the output value of the 3-phase ROM table 40 by the output of the P1 controller 60, and the accumulator M1. An adder (A2-A4) for adding the output of -M3) and the output of the current sensing circuit (50), and the output of the adder (A2-A4) corresponding to each phase flows into each phase of the AC servo motor (M). A current amplifier 70 for determining the current to be given, and a digital of a multiplying constant current source method A triangular wave generating circuit 80 for generating a triangular wave by dividing a square wave by analog / analog conversion; and a PWM generating circuit generating a PWM signal by an output of the current amplifier 70 and a triangular wave of the triangular wave generating circuit 80 90, the first to third gate drivers 100-120 for driving PWM data according to each phase from the output of the PWM generation circuit 90, and the first to third gate drivers 100-120. A circuit comprising: an inverter (130) for supplying power to an AC servo motor (M) after chopping power by switching according to the output PWM signal of each phase. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870005117A 1987-05-22 1987-05-22 Arrangement for starting servo motor KR890004313B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870005117A KR890004313B1 (en) 1987-05-22 1987-05-22 Arrangement for starting servo motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870005117A KR890004313B1 (en) 1987-05-22 1987-05-22 Arrangement for starting servo motor

Publications (2)

Publication Number Publication Date
KR880014729A true KR880014729A (en) 1988-12-24
KR890004313B1 KR890004313B1 (en) 1989-10-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870005117A KR890004313B1 (en) 1987-05-22 1987-05-22 Arrangement for starting servo motor

Country Status (1)

Country Link
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Publication number Publication date
KR890004313B1 (en) 1989-10-30

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