KR890701996A - 절대 위치 인코더 - Google Patents

절대 위치 인코더

Info

Publication number
KR890701996A
KR890701996A KR1019890700248A KR890700248A KR890701996A KR 890701996 A KR890701996 A KR 890701996A KR 1019890700248 A KR1019890700248 A KR 1019890700248A KR 890700248 A KR890700248 A KR 890700248A KR 890701996 A KR890701996 A KR 890701996A
Authority
KR
South Korea
Prior art keywords
data
channel
interpolation
calibration
address
Prior art date
Application number
KR1019890700248A
Other languages
English (en)
Inventor
요시따까 다께꼬시
미쯔유끼 다니꾸찌
Original Assignee
이나바 세이우에몽
화낙 가부시끼 가이샤
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.)
Filing date
Publication date
Application filed by 이나바 세이우에몽, 화낙 가부시끼 가이샤 filed Critical 이나바 세이우에몽
Publication of KR890701996A publication Critical patent/KR890701996A/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24409—Interpolation using memories

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

내용 없음

Description

절대 위치 인코더
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 종래 기술에 따른 절대 위치 인코더의 장치를 도시하는 회로 다이어그램이다. 제 2 도는 본 발명의 실시예에 따른 절대 위치 인코더의 장치를 도시하는 회로 다이어그램이다. 제 3 도는 보간 에러에 대한 교정이 본 발명에 따라 수행될 경우에 실제각의 일예의 사시도이다.

Claims (2)

  1. 매 분해능당 많은 싸이클의 차를 갖는 각각 다수의 채널의 싸인 파형 출력을 얻기 위한 로타리 코드 플레이트와, 상기 코드 플레이트의 회전 각 데이터를 구성하기 위한 상기 다수의 채널 각각 A/D 변환하는 싸인 파형 출력용 A/D 변환기와, 어드레스 데이터 처럼 상기 채널에 대응된 A/D 변화기의 출력을 사용하여 순차적으로 많은 예정된 분할로 상기 채널의 하나의 파장의 각 데이터 보간에 의해 얻어진 대응된 어드레스 보간 데이터에서 기억하기 위한 ROM과, 교정 어드레스 데이터처럼 큰수의 싸이클을 갖는 하측 채널의 보간 데이터를 사용한 교정 어드레스 데이터를 기초로 하여 작은 수 싸이클을 갖는 상측 채널의 보간 데이터를 구비하는 보간 에러의 교정에 의해 얻어진 대응된 어드레스 교정 데이터에서 기억하기 위한 ROM을 구비하는 절대 위치 인코더에 있어서, 이동 본체의 절대 위치는 상기 가장 하측 채널보다 높은 상측 채널의 교정 데이터 및 가장 큰 싸이클을 갖는 가장 하측 채널의 어드레스 데이터에 따라 판독되는 보간 데이터의 합성에 의해 검색되며, 상기 교정 데이터는 상기 교정 어드레스 데이터를 기초로 하여 판독되는 것을 특징으로 하는 절대 위치 인코더.
  2. 제 1 항에 있어서, 상기 하측 채널의 보간 데이터는 데이터 A를 얻기 위해 2진수로 변환되며, 상기 측채널의 보간 데이터는 데이터 B를 얻기 위한 2진수로 변환되며,은 상기 채널 각각의 많은 분할 2n(n은 정수)을 사용하여 2진수에 의해 계산되며, "1"은 상기 계산된 데이터의(n+1)번째 비트가 "1"일 때 계산된 데이터의n번째 비트에 더해지며, 더해지고 교정된n비트 계산 데이터가 상기 상측 채널의 교정 데이터로서 제공되며, 반면에 상기 n비트 계산 데이터는 직접적으로 상기 계산된 데이터의(n+1)번째 데이터가 "0"일 때 상측 채널의 교정 데이터로서 제공되는 것을 특징으로 하는 절대 위치 인코더.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890700248A 1987-06-15 1988-06-15 절대 위치 인코더 KR890701996A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP146922 1987-06-15
JP62146922A JPS63311119A (ja) 1987-06-15 1987-06-15 絶対位置エンコ−ダ
PCT/JP1988/000578 WO1988010409A1 (en) 1987-06-15 1988-06-15 Absolute position encoder

Publications (1)

Publication Number Publication Date
KR890701996A true KR890701996A (ko) 1989-12-22

Family

ID=15418603

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890700248A KR890701996A (ko) 1987-06-15 1988-06-15 절대 위치 인코더

Country Status (5)

Country Link
US (1) US4998105A (ko)
EP (1) EP0318597A4 (ko)
JP (1) JPS63311119A (ko)
KR (1) KR890701996A (ko)
WO (1) WO1988010409A1 (ko)

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JP2501227B2 (ja) * 1988-05-30 1996-05-29 ファナック株式会社 絶対位置エンコ―ダ
JP2501228B2 (ja) * 1988-06-24 1996-05-29 ファナック株式会社 エンコ―ダの内挿回路
DE4212952C2 (de) * 1991-08-03 1994-06-09 Heidenhain Gmbh Dr Johannes Längen- oder Winkelmeßeinrichtung
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US5583323A (en) * 1993-11-05 1996-12-10 Microfield Graphics, Inc. Calibration of graphic data-acquisition tracking system
US5585605A (en) * 1993-11-05 1996-12-17 Microfield Graphics, Inc. Optical-scanning system employing laser and laser safety control
DE19515139A1 (de) * 1995-04-25 1996-10-31 Sachse Lothar Verfahren zum Anzeigen von Weg- und/oder Winkelpositionen
EP0743508A2 (en) * 1995-05-16 1996-11-20 Mitutoyo Corporation Induced current position transducer
US5886519A (en) * 1997-01-29 1999-03-23 Mitutoyo Corporation Multi-scale induced current absolute position transducer
FR2769087B1 (fr) * 1997-09-26 2000-01-28 Roulements Soc Nouvelle Capteur numerique de position
US6242906B1 (en) * 1999-05-10 2001-06-05 Mitutoyo Corporation Systems and methods for calibrating an absolute position encoder
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JP3772121B2 (ja) * 2002-02-28 2006-05-10 ファナック株式会社 エンコーダの信号処理装置
US7567078B2 (en) * 2004-12-28 2009-07-28 Asahi Kasei Emd Corporation Magnetic rotation-angle sensor and angle-information processing device
US9007057B2 (en) 2011-12-28 2015-04-14 Servosence (SMC) Ltd. High resolution absolute encoder
KR101540176B1 (ko) * 2014-03-13 2015-07-28 엘에스산전 주식회사 전동기 속도 검출장치
RU2626552C1 (ru) * 2016-10-03 2017-07-28 Акционерное общество "Концерн "Центральный научно-исследовательский институт "Электроприбор" Способ преобразования угла поворота вала в код

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JPS5518985A (en) * 1978-07-28 1980-02-09 Mitsubishi Electric Corp Output device of plural speed encoder
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Also Published As

Publication number Publication date
EP0318597A1 (en) 1989-06-07
EP0318597A4 (en) 1991-06-12
JPS63311119A (ja) 1988-12-19
US4998105A (en) 1991-03-05
WO1988010409A1 (en) 1988-12-29

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