KR970018971A - SPEED CONTROL APPARATUS OF MOTOR AND METHOD THEREOF - Google Patents

SPEED CONTROL APPARATUS OF MOTOR AND METHOD THEREOF Download PDF

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Publication number
KR970018971A
KR970018971A KR1019950030547A KR19950030547A KR970018971A KR 970018971 A KR970018971 A KR 970018971A KR 1019950030547 A KR1019950030547 A KR 1019950030547A KR 19950030547 A KR19950030547 A KR 19950030547A KR 970018971 A KR970018971 A KR 970018971A
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South Korea
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speed
srm
driving
motor
control
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KR1019950030547A
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Korean (ko)
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KR100239508B1 (en
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이재봉
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김광호
삼성전자 주식회사
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    • 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 Electric Motors In General (AREA)

Abstract

본 발명은 FLC(Fuzzy Logic Controller)를 이용하여 스위치드릴럭턴스 모터(Switched Reluctance Motor)의 속도를 제어하는 모터의 속도제어장치 및 그 방법에 관한 것으로써, 제어수단과, 상기 제어수단의 제어에 따라 정류수단으로부터 출력되는 직류전압을 인가받아 SRM을 구동하는 모터구동수단과, 상기 모터구동수단에 의해 구동되는 상기 SRM의 회전자위치를 감지하는 위치감지수단으로 이루어진 것으로, SRM의 회전시 공급전류의 펄스폭을 조절하여 역기전력에 의한 전류리플을 줄임으로써 공급전류의 주기를 조절하고, 광센서를 이용한 회전자의 정확한 위치감지로 회전자가 구속되지 않도록 제어하며, SRM의 현재속도와 속도변화량을 입력으로 하고, SRM의 구동주기를 출력으로 하는 FLC를 구성하여 원하는 SRM의 속도를 유지할 수 있다는 효과가 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speed control apparatus and a method of a motor for controlling a speed of a switched reluctance motor (FLC) using a fuzzy logic controller (FLC). The motor driving means for driving the SRM by receiving the DC voltage output from the rectifying means and the position sensing means for detecting the rotor position of the SRM driven by the motor driving means, the supply current at the time of rotation of the SRM Adjust the pulse width of the controller to reduce the current ripple due to counter electromotive force to adjust the cycle of the supply current, control the rotor not to be constrained by the accurate position detection of the rotor using the optical sensor, and input the current speed and speed change of the SRM. By configuring the FLC outputting the driving cycle of the SRM, the desired speed of the SRM can be maintained.

Description

모터의 속도제어장치 및 그 방법(SPEED CONTROL APPARATUS OF MOTOR AND METHOD THEREOF)SPEED CONTROL APPARATUS OF MOTOR AND METHOD THEREOF

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

제1도는 본 발명의 일실시예에 의한 모터의 속도제어장치의 제어블록도,1 is a control block diagram of a speed control apparatus for a motor according to an embodiment of the present invention;

제2도는 본 발명의 일실시예에 의한 모터의 속도제어장치의 상세한 회로도,2 is a detailed circuit diagram of a speed control apparatus for a motor according to an embodiment of the present invention;

제3도는 본 발명에 적용되는 SRM의 단면도,3 is a cross-sectional view of the SRM applied to the present invention,

제4도는 본 발명에 적용되는 광센서의 SRM취부도.4 is an SRM mounting diagram of an optical sensor applied to the present invention.

Claims (9)

제어수단과, 상기 제어수단의 제어에 따라 정류수단으로부터 출력되는 직류전압을 인가받아 SRM을 구동하는 모터구동수단과, 상기 모터구동수단에 의해 구동되는 상기 SRM의 회전자위치를 감지하는 위치감지수단으로 이루어진 것을 특징으로 하는 모터의 속도제어장치.Control means, motor driving means for driving the SRM by receiving a DC voltage output from the rectifying means in accordance with the control of the control means, and position sensing means for sensing the rotor position of the SRM driven by the motor driving means Speed control device of the motor, characterized in that consisting of. 제1항에 있어서, 상기 제어수단은 상기 위치감지수단에 의해 감지된 상기 SRM의 회전자위치에 따라 구동시켜야 할 트랜지스터(TR1∼TR3)를 선택하는 것을 특징으로 하는 모터의 속도제어장치.2. The speed control apparatus of claim 1, wherein the control means selects transistors TR1 to TR3 to be driven according to the rotor position of the SRM sensed by the position sensing means. 제1항에 있어서, 상기 제어수단은 상기 SRM의 현재속도 및 속도변화량을 입력으로 하고, 상기 SRM의 구동주기를 출력으로 하여 퍼지연산을 수행하는 것을 특징으로 하는 모터의 속도제어장치.The speed control apparatus of claim 1, wherein the control means inputs the current speed and the speed change amount of the SRM, and performs a fuzzy operation by outputting the driving period of the SRM. 제1항에 있어서, 상기 제어수단은 상기 SRM의 구동주기(T)를 카운터하는 타이머(T0)와 퍼지연산을 주기적으로 수행하도록 시스템구동시간을 카운터하는 타이머(T1)를 내장하고 있는 것을 특징으로 하는 모터의 속도제어장치.The method of claim 1, wherein the control means includes a timer (T0) for counting the drive period (T) of the SRM and a timer (T1) for counting the system driving time to periodically perform a fuzzy operation. Motor speed control device. 제1항에 있어서, 상기 모터구동수단은 상기 SRM의 a상에 상기 정류수단으로부터 출력되는 직류전압을 인가하도록 상기 제어수단으로부터 출력되는 제어신호를 입력받아 턴온/턴오프동작하는 트랜지스터(TR1)와, 상기 SRM의 b상에 상기 정류수단으로부터 출력되는 직류전압을 인가하도록 상기 제어수단으로부터 출력되는 제어신호를 입력받아 턴온/턴오프동작하는 트랜지스터(TR2)와, 상기 SRM의 C상에 상기 정류수단으로부터 출력되는 직류전압을 인가하도록 상기 제어수단으로부터 출력되는 제어신호를 입력받아 턴온/턴오프동작하는 트랜지스터(TR3)와, 상기 트랜지스터(TR1∼TR3)의 턴오프동작시 발생하는 역기전력을 바이패스하여 상기 트랜지스터(TR1∼TR3)를 보호하는 다이오드(D1∼D3)와, 상기 트랜지스터(TR1∼TR3)의 턴오프동작시 발생하는 역기전력에 의한 전류리플을 줄이도록 상기 제어수단으로부터 출력되는 제어신호를 입력받아 턴오프동작하는 트랜지스터(TR0)와, 상기 트랜지스터(TR1∼TR3)의 턴오프동작시 발생하는 역기전력에 의한 전류를 열로 발산하는 발열저항(R1)으로 구성되어 있는 것을 특징으로 하는 모터의 속도제어장치.The transistor driving apparatus of claim 1, wherein the motor driving means receives a control signal output from the control means to apply a DC voltage output from the rectifying means on a of the SRM and performs a turn-on / turn-off operation. And a transistor (TR2) which is turned on / off by receiving a control signal output from the control means so as to apply a DC voltage output from the rectifying means on b of the SRM, and the rectifying means on C of the SRM. By bypassing the transistor TR3 that is turned on / off and receives the control signal output from the control means so as to apply a DC voltage output from the transistor, the counter electromotive force generated during the turn-off operation of the transistors TR1 to TR3 is bypassed. Diodes D1 to D3 protecting the transistors TR1 to TR3 and back electromotive force generated during the turn-off operation of the transistors TR1 to TR3. Heat generation for dissipating current due to back electromotive force generated during the turn-off operation of the transistor TR0 and the turn-off operation of the transistors TR1 to receive the control signal output from the control means so as to reduce the current ripple. A speed control device for a motor, comprising a resistor (R1). 제1항에 있어서, 상기 위치감지수단은 상기 SRM의 구동시 회전하는 회전자위치를 감지하는 광센서(HS1∼HS3)인 것을 특징으로 하는 모터의 속도제어장치.2. The speed control apparatus of claim 1, wherein the position detecting means is an optical sensor (HS1 to HS3) for detecting a rotating rotor position when the SRM is driven. SRM의 회전자위치를 판별하는 위치판별스텝과, 상기 위치판별스텝에서 판별된 상기 SRM의 회전자위치에 따라 트랜지스터(TR1∼TR3)를 선택적으로 구동시키면서 구동펄스를 카운터하는 구동스텝과, 상기 트랜지스터(TR1∼TR3)의 구동시 퍼지연산을 주기적으로 수행하기위한 소정시간이 경과하였는지를 판별하는 시간판별스텝과, 상기 시간판별스텝에서 소정시간이 경과하였다고 판별되면 상기 SRM의 현재속도 및 속도변화량을 검출하는 속도검출스텝과, 상기 속도검출스텝에서 검출된 상기 SRM의 현재속도 및 속도변화량에 따라 퍼지연산을 수행하는 퍼지연산스텝과, 상기 퍼지연산스텝에서 수행된 퍼지연산에 따라 상기 SRM의 구동주기를 산출하여 상기 SRM의 속도를 조절하는 속도조절스텝으로 이루어진 것을 특징으로 하는 모터의 속도제어방법.A position determination step of determining a rotor position of the SRM, a driving step of countering driving pulses while selectively driving transistors TR1 to TR3 according to the rotor position of the SRM determined in the position determination step, and the transistor A time discrimination step for determining whether a predetermined time for periodically performing purge operation has elapsed during the operation of TR1 to TR3, and detecting the current speed and the speed change amount of the SRM if it is determined that the predetermined time has elapsed in the time discriminating step A purge operation step for performing a fuzzy operation according to a speed detection step, a current detection speed and an amount of speed change of the SRM detected in the speed detection step, and a purge operation performed in the purge operation step. The speed control method of the motor, characterized in that consisting of a speed adjusting step for adjusting the speed of the SRM. 제7항에 있어서, 상기 속도검출스텝은 사용자가 원하는 속도와 펄스카운트에 의해 얻어진 속도의 차를 가지고 상기 SRM의 현재속도를 검출하는 것을 특징으로 하는 모터의 속도제어방법.The speed control method of claim 7, wherein the speed detection step detects a current speed of the SRM with a difference between a speed desired by a user and a speed obtained by a pulse count. 제7항에 있어서, 상기 속도검출스텝은 상기 SRM의 이전속도와 현재속도의 차를 가지고 속도변화량을 검출하는 것을 특징으로 하는 모터의 속도제어방법.The method of claim 7, wherein the speed detecting step detects a speed change amount having a difference between a previous speed and a current speed of the SRM. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950030547A 1995-09-18 1995-09-18 Speed control apparatus of motor and method thereof KR100239508B1 (en)

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KR1019950030547A KR100239508B1 (en) 1995-09-18 1995-09-18 Speed control apparatus of motor and method thereof

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KR100239508B1 KR100239508B1 (en) 2000-01-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020066738A (en) * 2001-02-13 2002-08-21 엘지전자주식회사 Position signal abnormality detection method for srm

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100403783B1 (en) * 2001-04-20 2003-10-30 안진우 Hybrid Excitation Method for Reduction of Vibration and Acoustics Noise of SRM
KR100415724B1 (en) * 2001-05-02 2004-01-24 안진우 Electronic encoder for automatic torque control of SRM
KR100415725B1 (en) * 2001-05-02 2004-01-24 안진우 Speed-Torqe regulation method of SRM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020066738A (en) * 2001-02-13 2002-08-21 엘지전자주식회사 Position signal abnormality detection method for srm

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