KR950702021A - 위치 검출 시스템(position detection system) - Google Patents

위치 검출 시스템(position detection system)

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Publication number
KR950702021A
KR950702021A KR1019940704575A KR19940704575A KR950702021A KR 950702021 A KR950702021 A KR 950702021A KR 1019940704575 A KR1019940704575 A KR 1019940704575A KR 19940704575 A KR19940704575 A KR 19940704575A KR 950702021 A KR950702021 A KR 950702021A
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position detection
detection system
marking
row
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KR1019940704575A
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KR0185434B1 (ko
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부츠만 게리트
우스터비예크 알렉산더
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부츠만 게리트
부츠만 홀딩 비. 브이.
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    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G01D5/366—Particular pulse shapes
    • 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
    • G01D5/249—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 pulse code
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • 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
    • G01D5/249—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 pulse code
    • G01D5/2492—Pulse stream

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Processing (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Character Input (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Image Input (AREA)

Abstract

서로에 대해 상호 거리를 유지하도록 형성된 마킹들의 열 및 상기 마킹들을 스캐닝하기 위해 상기 마킹들의 열에 대해 이동가능한 스캐너 유닛을 구비하는 변위체용 위치 검출장치로서, 상기 마킹들의 열 또는 스캐너 유닛이 그 변위체에 결합되는 위치 검출 장치가 개시된다. 마킹(7)은 마킹열내에서 예정된 갯수의 인접한 마킹들로 구성되는 다양한 군으로 형성되며, 각각의 군에 있는 마킹들은 오직 한 군에만 속하는 순서를 갖도록 순서적으로 형성된다.

Description

위치 검출 시스템(POSITION DETECTION SYSTEM)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 피스톤-실린더 조립체의 피스톤 로드상에 설치된 본 발명에 따른 위치 검출 시스템의 개략적인 부분 횡단면도,
제2도는 제1도의 II 부분의 센서 및 피스톤 로드의 상세도.

Claims (16)

  1. 서로에 대해 등간격을 갖도록 형성된 마킹들의 열, 및 상기 마킹들을 스캐닝하기 위하여 상기 마킹들의 열에 대해 이동가능한 스캐너 유닛을 구비하는 변위체용 위치 검출 시스템으로서, 상기 마킹 열이나 스캐너 유닛이 상기 변위체에 결합되는 변위체용 위치 검출 시스템에 있어서, 마킹(7)들은 그들의 열 내에서 예정된 갯수의 인접한 마킹들로 이루어지는 다양한 군으로 형성되며, 각군의 마킹들은 오로지 한 군에만 속하는 순서를 갖도록 순서적으로 형성되는 것을 특징으로 하는 위치 검출 시스템.
  2. 제1항에 있어서, 군들이 상호 중첩되는 것을 특징으로 하는 위치 검출 시스템.
  3. 제2항에 있어서, 각각의 경우 군들이 서로에 대해 하나의 마킹(7) 만큼 옵셋되는 것을 특징으로 하는 위치 검출 시스템.
  4. 선행항들 중의 어느 한 항에 있어서, 마킹 열이 다른 형상 또는 외형을 갖는 두가지 형태의 마킹(7)로 구성되는 것을 특징으로 하는 위치 검출 시스템.
  5. 선행항들 중의 어느 한 항에 있어서, 5㎛ 이상의 위치 정밀도를 가지며, 마킹들 사이의 간격이 0.1 내지 1.0㎜, 바람직하게는 약 0.6㎜로 형성되고, 마킹 열의 종방향으로 보았을때 마킹의 폭이 0.1 내지 1.0㎜, 바람직하게는 약 0.2 또는 0.4㎜인 것을 특징으로 하는 위치 검출 시스템.
  6. 선행항들 중의 어느 한 항에 있어서, 군이 5 내지 30개 바람직하게는 10 내지 20개의 마킹들로 구성되는 것을 특징으로 하는 위치 검출 시스템.
  7. 선행항들 중의 어느 한 항에 있어서, 스캐너 유닛(7)이 광학센서를 가지며, 마킹(7)은 광학적으로 스캐닝 가능한 것을 특징으로 하는 위치 검출 시스템.
  8. 선행항들 중의 어느 한 항에 있어서, 스캐너 유닛(7)은 마킹(7)의 군을 고정된 위치에서 스캐닝하기에 적합하게 형성되는 것을 특징으로 하는 위치 검출 시스템.
  9. 선행항들 중의 어느 한 항에 있어서, 마킹열은 변위체(3)이 이동하는 방향으로 연장하는 것을 특징으로 하는 위치 검출 시스템.
  10. 선행항들 중의 어느 한 항에 있어서, 후속 군에 있어서, 선행 군에 비해 추가된 하나 이상의 마킹은 선행 군에 비해 누락된 후속 군내의 하나 이상의 마킹에 의해 결정되도록, 마킹들이 형성되는 것을 특징으로 하는 위치 검출 시스템.
  11. 선행항들 중의 어느 한 항에 있어서, 마킹들은 광학적으로 읽을 수 있고 2 비트 코드를 결정하며, 하나 이상의 LED가 마킹들에 대향되게 배치되며, 상기 LED는 펄스동작을 갖는 피드 공급원에 연결되고, 판독 유닛은 중간 A/D 변환기를 통해 컴퓨터에 연결되는 단일 어레이 CCD를 구비하며, 렌즈를 구비하는 광학 유닛은 CCD와 마킹열 사이에 배열되는 것을 특징으로 하는 위치 검출 시스템.
  12. 마킹열이 제공되는, 선행항들 중의 어느 한 항에 따른 위치 검출 시스템에 사용되는 피스톤로드와 같은 물체.
  13. 선행항들 중의 어느 한 항에 따른 위치검출 시스템을 사용하여 변위체의 위치를 설정하는 방법에 있어서, 예정된 갯수의 마킹들로 구성된 하나 이상의 인접된 군을 스캐너 유닛으로 스캐닝하며, 마킹들의 열에 대해 스캐너 유닛의 위치를 측정하기 위해 기준치와 비교되는 상기 군에 있는 마킹의 순서를 각각의 군마다 측정하는 것을 특징으로 하는 방법.
  14. 제13항에 있어서, 마킹의 경계, 바람직하게는 인접 마킹과 마주하는 경계가 적어도 하나의 군으로 부터의 하나 이상의 마킹을 위해 결정되는 것을 특징으로 하는 방법.
  15. 제14항에 있어서, 마킹들의 열에 대해 스캐너 유닛의 위치를 측정하기 위해 상기 경계의 위치가 기준치에 비교되는 것을 특징으로 하는 방법.
  16. 제14항 또는 15항에 있어서, 하나 이상의 마킹을 위한 경계가 결정되며, 결정된 마킹들의 경계의 상호위치가 마킹들의 열에 대한 스캐너 유닛의 위치를 측정하기 위해 사용되는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임
KR1019940704575A 1992-06-15 1993-06-15 위치 검출 시스템 KR0185434B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL9201059A NL9201059A (nl) 1992-06-15 1992-06-15 Positiedetectiesysteem.
NL9201059 1992-06-15
PCT/NL1993/000130 WO1993025865A1 (en) 1992-06-15 1993-06-15 Position detection system

Publications (2)

Publication Number Publication Date
KR950702021A true KR950702021A (ko) 1995-05-17
KR0185434B1 KR0185434B1 (ko) 1999-05-15

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US (1) US5576535A (ko)
EP (1) EP0670991B1 (ko)
JP (1) JP2663212B2 (ko)
KR (1) KR0185434B1 (ko)
AT (1) ATE148784T1 (ko)
AU (1) AU668981B2 (ko)
CZ (1) CZ281886B6 (ko)
DE (1) DE69308034T2 (ko)
FI (1) FI945920A0 (ko)
NL (1) NL9201059A (ko)
PL (1) PL172185B1 (ko)
WO (1) WO1993025865A1 (ko)

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CZ281886B6 (cs) 1997-03-12
DE69308034T2 (de) 1997-08-21
AU4588693A (en) 1994-01-04
NL9201059A (nl) 1994-01-03
KR0185434B1 (ko) 1999-05-15
WO1993025865A1 (en) 1993-12-23
EP0670991B1 (en) 1997-02-05
PL172185B1 (pl) 1997-08-29
JPH07504752A (ja) 1995-05-25
AU668981B2 (en) 1996-05-23
CZ316494A3 (en) 1996-11-13
EP0670991A1 (en) 1995-09-13
JP2663212B2 (ja) 1997-10-15
FI945920A (fi) 1994-12-15
FI945920A0 (fi) 1994-12-15
DE69308034D1 (de) 1997-03-20
US5576535A (en) 1996-11-19
ATE148784T1 (de) 1997-02-15

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