KR840001009A - AC motor speed controller - Google Patents

AC motor speed controller Download PDF

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Publication number
KR840001009A
KR840001009A KR1019820002543A KR820002543A KR840001009A KR 840001009 A KR840001009 A KR 840001009A KR 1019820002543 A KR1019820002543 A KR 1019820002543A KR 820002543 A KR820002543 A KR 820002543A KR 840001009 A KR840001009 A KR 840001009A
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KR
South Korea
Prior art keywords
speed
motor
pulse
actual
generated
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KR1019820002543A
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Korean (ko)
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KR880001593B1 (en
Inventor
미쯔오 구라가께
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이바바 세이우에몽
후지쓰후 아낙크 가부시끼 가이샤
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Publication of KR840001009A publication Critical patent/KR840001009A/en
Application granted granted Critical
Publication of KR880001593B1 publication Critical patent/KR880001593B1/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
    • H02P23/00Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/14Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489Digital circuits therefor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

내용 없음No content

Description

교류 전동기의 속도 제어장치AC motor speed controller

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

제4도는 동기 전동기의 구동회로 블록도. 제10도는 기제안의 속도 검출법을 설명하는 설명도.4 is a block diagram of a driving circuit of a synchronous motor. 10 is an explanatory diagram for explaining a speed detection method for a proposed proposal.

Claims (7)

속도지령과 실속도와의 속도편차에 의하여 일정주기마다 출력되는 전류지령에 의하여 구동되는 교류 전동기의 속도 검출장치에 있어서, 교류 전동기의 회전량 또는 기계 가동부의 이동량에 비례한 수의 펄스를 발생하는 펄스 발전기와 그 펄스의 주기를 계시하는 수단과 일정주기의 인에이블 신호가 발생할때마다 교류전동기의 실속도를 연산하는 속도 연산수단을 갖추고 그 속도 연산수단은 전기 펄스 발진기로부터 펄스가 발생하였을때 인에이블 신호에 동기하여서 전기 주기를 사용하여 실속도를 연산하며, 기타의 경우에는 인에이블 신호에 동기하여 이전에 출력된 전류지령치 또는 실제의 전류치와 과거의 실속도를 사용하여 현재의 실속도를 예측 연산함을 특징으로 하는 교류 전동기의 속도 검출장치.In a speed detection device of an AC motor driven by a current command outputted at a constant cycle due to a speed deviation between a speed command and a real speed, a pulse for generating a number of pulses proportional to the amount of rotation of the AC motor or the amount of movement of the machine moving part. The generator has a means for indicating the period of the pulse and a speed calculating means for calculating the actual speed of the AC motor whenever an enable signal of a certain period is generated, and the speed calculating means enables when a pulse is generated from the electric pulse oscillator. The actual speed is calculated using the electric cycle in synchronization with the signal.In other cases, the current actual speed is predicted using the current output value or actual current value and past actual speed in synchronization with the enable signal. Speed detection device of an AC motor, characterized in that. 제1항에 있어서, 교류 전동기로서 동기 전동기를 사용함을 특징으로 하는 교류 전동기의 속도 검출장치.The speed detection device of an AC motor according to claim 1, wherein a synchronous motor is used as the AC motor. 제1항에 있어서, 교류 전동기로서 유도 전동기를 사용함을 특징으로 하는 교류 전동기의 속도 제어장치.An apparatus for controlling speed of an AC motor according to claim 1, wherein an induction motor is used as the AC motor. 속도지령과 실속도와의 속도편차에 의하여 일정주기마다 출력되는 전류지령에 의하여 구동되는 교류 전동기의 속도검출장치에 있어서, 교류전동기의 회전량 또는 기계 가동부의 이동량에 비례한 수의 펄스를 발생하는 펄스발전기와 그 펄스의 주기를 계시하는 수단과 일정주기의 인에이블 신호가 발생할때마다 교류전동기의 실속도를 연산하는 속도연산수단을 갖추고 그 속도연산수단은 전기 펄스발전기로부터 펄스가 발생하였을때 인에이블신호에 동기하여 전기주기를 사용하여 실속도를 연산하여 전기 펄스발전기로부터 발하는 펄스와 펄스와의 사이의 구간에 있어서는 인에이블 펄스 발생회로로부터 발생하는 복수의 인에이블 신호에 각각 동기하여 이전에 출력된 전류지령치 또는 실제의 전류치와 과거의 실속도를 사용하여 현재의 실속도를 예측 연산함을 특징으로 하는 교류 전동기의 속도검출장치.In the speed detection device of an AC motor driven by a current command outputted at regular intervals by a speed deviation between a speed command and a real speed, a pulse for generating a number of pulses proportional to the amount of rotation of the AC motor or the amount of movement of the moving part of the machine. The generator has a means for indicating the period of the pulse and a speed calculating means for calculating the actual speed of the AC motor whenever an enable signal of a certain period is generated. The speed calculating means enables when a pulse is generated from the electric pulse generator. In the interval between the pulses emitted from the electric pulse generator and the pulses from the electric pulse generator by calculating the actual speed by using the electric period in synchronization with the signals, the signals outputted previously in synchronization with the plurality of enable signals generated from the enable pulse generating circuits, respectively. The current actual speed is calculated using the current command value or the actual current value and the actual actual speed. A speed detection device for an AC motor, characterized in that the predictive operation. 인에이블 펄스 발생 회로로부터 발생하는 복수의 인에이블 신호는 등간격임을 특징으로 하는 교류전동기의 속도검출장치.And a plurality of enable signals generated from the enable pulse generator are equally spaced. 제4항에 있어서, 교류전동기로서 동기전동기를 사용함을 특징으로 하는 교류전동기의 속도검출장치.5. The speed detecting device of an AC motor according to claim 4, wherein a synchronous motor is used as the AC motor. 제4항에 있어서, 교류전동기로서 유도전동기를 사용함을 특징으로 하는 교류전동기의 속도제어장치.5. The speed control apparatus of an AC motor according to claim 4, wherein an induction motor is used as the AC motor. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8202543A 1981-06-09 1982-06-07 Ac motor speed control system KR880001593B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP88521 1981-06-09
JP56088521A JPS57203958A (en) 1981-06-09 1981-06-09 Detecting method for velocity of induction motor

Publications (2)

Publication Number Publication Date
KR840001009A true KR840001009A (en) 1984-03-26
KR880001593B1 KR880001593B1 (en) 1988-08-24

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KR8202543A KR880001593B1 (en) 1981-06-09 1982-06-07 Ac motor speed control system

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JP (1) JPS57203958A (en)
KR (1) KR880001593B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0714901Y2 (en) * 1988-08-01 1995-04-10 日産自動車株式会社 Engine rotation signal processor
JP3296527B2 (en) * 1994-08-05 2002-07-02 株式会社安川電機 Motor speed control device

Also Published As

Publication number Publication date
JPS6156950B2 (en) 1986-12-04
JPS57203958A (en) 1982-12-14
KR880001593B1 (en) 1988-08-24

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