CA2119769A1 - Method and system for point by point measurement of spatial coordinates - Google Patents

Method and system for point by point measurement of spatial coordinates

Info

Publication number
CA2119769A1
CA2119769A1 CA002119769A CA2119769A CA2119769A1 CA 2119769 A1 CA2119769 A1 CA 2119769A1 CA 002119769 A CA002119769 A CA 002119769A CA 2119769 A CA2119769 A CA 2119769A CA 2119769 A1 CA2119769 A1 CA 2119769A1
Authority
CA
Canada
Prior art keywords
point
touch probe
light sources
touch
measurement
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002119769A
Other languages
French (fr)
Other versions
CA2119769C (en
Inventor
Alf Pettersen
Oyvind Rotvold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metronor Industrial AS
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2119769A1 publication Critical patent/CA2119769A1/en
Application granted granted Critical
Publication of CA2119769C publication Critical patent/CA2119769C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00

Abstract

Method and system for point by point measurement of spatial coordinates, in which a touch probe (8;
14) comprising three point sized light sources (9, 10, 11, 17, 18) at known local coordinates relative to a local probe fixed coordinate system and with a touch point (12) at known location relative to said local coordinate system, is used such that said touch probe touches the point to be measured.
A single opto-electronic angle sensor (13) for measurement of spatial direction towards point sized light sources (9, 10, 11, 17, 18) is set up such that its field of view/work area covers the essential parts of the object to be measured, and such that the light sources of said touch probe are seen from the angle sensor (13) for all the relevant measurement points. The spatial direction for each of the light sources of the touch probe are registered simultaneously. Based on the registered spatial directions, the position and orientation of the touch probe are calculated relative to said single angle sensor, and such that the position of the touch probe is related to its point of contact with the measured object.
CA002119769A 1991-10-11 1992-10-09 Method and system for point by point measurement of spatial coordinates Expired - Lifetime CA2119769C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO913994 1991-10-11
NO913994A NO174025C (en) 1991-10-11 1991-10-11 System for spot measurement of spatial coordinates
PCT/NO1992/000167 WO1993007443A1 (en) 1991-10-11 1992-10-09 Method and system for point by point measurement of spatial coordinates

Publications (2)

Publication Number Publication Date
CA2119769A1 true CA2119769A1 (en) 1993-04-15
CA2119769C CA2119769C (en) 2005-06-07

Family

ID=19894522

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002119769A Expired - Lifetime CA2119769C (en) 1991-10-11 1992-10-09 Method and system for point by point measurement of spatial coordinates

Country Status (8)

Country Link
US (1) US5440392A (en)
EP (1) EP0607303B1 (en)
JP (1) JP3070953B2 (en)
AU (1) AU664393B2 (en)
CA (1) CA2119769C (en)
DE (1) DE69213749T2 (en)
NO (1) NO174025C (en)
WO (1) WO1993007443A1 (en)

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CN113510708A (en) * 2021-07-28 2021-10-19 南京航空航天大学 Contact industrial robot automatic calibration system based on binocular vision

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Also Published As

Publication number Publication date
DE69213749T2 (en) 1997-03-06
AU2862192A (en) 1993-05-03
WO1993007443A1 (en) 1993-04-15
AU664393B2 (en) 1995-11-16
US5440392A (en) 1995-08-08
JP3070953B2 (en) 2000-07-31
NO913994L (en) 1993-04-13
EP0607303B1 (en) 1996-09-11
DE69213749D1 (en) 1996-10-17
NO913994D0 (en) 1991-10-11
NO174025C (en) 1994-03-02
CA2119769C (en) 2005-06-07
EP0607303A1 (en) 1994-07-27
NO174025B (en) 1993-11-22
JPH06511555A (en) 1994-12-22

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