KR960038537A - Absolute Position Signal Detection Method and Apparatus for Motor in Short Incremental Encoder - Google Patents

Absolute Position Signal Detection Method and Apparatus for Motor in Short Incremental Encoder Download PDF

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Publication number
KR960038537A
KR960038537A KR1019950009513A KR19950009513A KR960038537A KR 960038537 A KR960038537 A KR 960038537A KR 1019950009513 A KR1019950009513 A KR 1019950009513A KR 19950009513 A KR19950009513 A KR 19950009513A KR 960038537 A KR960038537 A KR 960038537A
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KR
South Korea
Prior art keywords
encoder
signal
receiving
absolute position
motor
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KR1019950009513A
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Korean (ko)
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KR0170331B1 (en
Inventor
강준혁
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김광호
삼성전자 주식회사
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Priority to KR1019950009513A priority Critical patent/KR0170331B1/en
Publication of KR960038537A publication Critical patent/KR960038537A/en
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Publication of KR0170331B1 publication Critical patent/KR0170331B1/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
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

본 발명은 약식인트리멘탈 엔토더에서의 모터의 절대 위치 신호 검출방법 및 장치에 관한 것이다. 본 발명은 엔코더의 전원제어 신호를 송출하는 한편 엔코더 오픈신호 및 앤코더 펄스열 신호를수신하여 처리하기 위한 주제어부와, 엔코더에 소정 값의 전원을 공급하기 위한 엔코더 전원 공급기와, 엔코더로부터 복수의 신호를 받아 소정의 논리연산을 수행한 후, 그 결과를 상기 주제어부로 전송하는 엔코더에 오픈 검출회로부와, 엔코더로부터 복수의 신호를수신하여 엔코더에 펄스열 신호를 상기 주제어부에 전송하는 라인 리시버를 구비하고 있다. 이와 같이, 약식 인크리멘탈 엔코더로부터 모터의 절대 위치 신호를 검출함으로서 회전자의 절대위치에 동기시켜 전류를 입력시킬 수 있고, 그에 따라 교류 서보 모터의 속도 제어를 원활히 할 수 있게 된다.The present invention relates to a method and apparatus for detecting an absolute position signal of a motor in a short incremental encoder. The present invention provides a main controller for receiving and processing an encoder open signal and an encoder pulse string signal, an encoder power supply for supplying a predetermined value of power to the encoder, and a plurality of signals from the encoder. After receiving a predetermined logic operation and performing a predetermined logic operation, the encoder having an open detection circuit unit and a line receiver for receiving a plurality of signals from the encoder and transmitting a pulse train signal to the main controller to the encoder. have. In this way, by detecting the absolute position signal of the motor from the simplified incremental encoder, the current can be input in synchronization with the absolute position of the rotor, thereby facilitating the speed control of the AC servomotor.

Description

약식 인크리멘탈 엔코더에서의 모터의 절대위치신호 검출방법 및 그 장치Absolute Position Signal Detection Method and Apparatus for Motor in Short Incremental Encoder

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

제1도는 종래 표준 인크리멘탈 엔코더 있어서, 신호전송관계를 개략적으로 나타내 보인 신호선의 구성도, 제2도는 발명의 약식인크리멘달 엔코더의 절대위치신호 검출장치의 개략적인 내부 회로구성도.1 is a configuration diagram of a signal line schematically showing a signal transmission relationship in a conventional standard incremental encoder, and FIG. 2 is a schematic internal circuit diagram of an absolute position signal detection device of an abbreviated incremental encoder of the present invention.

Claims (4)

주제어부에서 초기 소정 시간동안 0을 유지하던 엔코더 오픈 신호의 값이 1이 되었는지의 여부를 판별하는 단계; 1이 되었으면, 주제어부가 엔코더 펄스열 신호를 수신하여 메모리에 저장시키는 단계; 초기의 에러 방지를 위해 상기 엔코더 펄스열 신호를 복수회수신하여 상기 메모리에 저장한 값과 동일한지의 여부를 판별하는 단계; 및 상기 판별의 결과 동일하면, 절대 위치 신호 검출을 완료시키는 단계를 포함하여 된 것을 특징으로 하는 약식 인크리멘탈 엔코더서의 모터의 절대 위치 신호 검출방법.Determining whether the main controller's value of the encoder open signal, which has been kept zero for an initial predetermined time, becomes 1; If 1, the main control unit receives the encoder pulse train signal and stores it in the memory; Determining whether the encoder pulse string signal is the same as a value stored in the memory by receiving the encoder pulse string signal a plurality of times to prevent an initial error; And if the result of the determination is the same, completing the absolute position signal detection. 제1항에 있어서, 상기 엔코더 오픈 신호의 값이 1이 되었는지의 판별을 3개의 배타적 논리합의 결과를 각각 병렬로 입력받아 그것을 논리곱을 거쳐 출력한 결과에 의해 이루어지는 것을 특징으로 하는 약식 인크리멘탈 엔코더서의 모터의 절대 위치 신호 검출방법.The abbreviated incremental encoder according to claim 1, wherein the determination of whether the encoder open signal has a value of 1 is performed by a result of receiving the results of three exclusive ORs in parallel and outputting the result of an AND operation. Absolute position signal detection method of motor. 약식 인크리멘탈 엔코더 설치되어 모터의 절대 위치 신호를 검출하는 장치로서, 엔코더의 전원제어신호를 송출하는 한편 엔코더 오픈 신호 및 엔코더 펄스열 신호를 수신하여 처리하기 위한 주제어부와. 엔코딩 소정값의 전원을 공급하기 위한 엔코더 전원 공급기와, 엔코더로부터 복수의 신호를 받아 소정의 논리연산을 수행한 후, 그 결과를 상기 주제어부로 전송하는 엠코더 오픈 검출회로부와, 엔코더로부터 복수의 신호를 수신하여 엔코더 펄스열 신호를 상기 주제어부에 전송하는 라인 리시버를 구비하여 된 것을 특징으로 하는 약식 인크리멘탈 엔코더서의 모터의 절대 위치 신호 검출장치.An apparatus for detecting an absolute position signal of a motor installed by an abbreviated incremental encoder, comprising: a main controller for transmitting and receiving an encoder power control signal and for receiving and processing an encoder open signal and an encoder pulse string signal. Encoder power supply for supplying power of a predetermined value, an encoder open detection circuit unit for receiving a plurality of signals from the encoder and performing a predetermined logic operation, and transmitting the result to the main controller, and a plurality of signals from the encoder. Absolute incremental signal detection apparatus for a motor of a simplified incremental encoder characterized in that it comprises a line receiver for receiving and transmitting an encoder pulse string signal to the main control unit. 제3항에 있어서, 상기 엔코더 오픈 검출회로부는 한 개의 AND 게이트와, 그 AND 게이트에 병렬로 입력되는 세 개의 배타적 OR 게이트로 구성되는 것을 특징으로 하는 약식인 크리멘탈 엔코더서의 모터의 절대 위치 신호검출장치.4. The absolute position signal of the motor of the simplified credential encoder according to claim 3, wherein the encoder open detection circuit part comprises one AND gate and three exclusive OR gates input in parallel to the AND gate. Detection device.
KR1019950009513A 1995-04-22 1995-04-22 Method and apparatus for detecting absolute position signal of motor of incremental encoder KR0170331B1 (en)

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KR1019950009513A KR0170331B1 (en) 1995-04-22 1995-04-22 Method and apparatus for detecting absolute position signal of motor of incremental encoder

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Application Number Priority Date Filing Date Title
KR1019950009513A KR0170331B1 (en) 1995-04-22 1995-04-22 Method and apparatus for detecting absolute position signal of motor of incremental encoder

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KR960038537A true KR960038537A (en) 1996-11-21
KR0170331B1 KR0170331B1 (en) 1999-03-30

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