ATE338934T1 - Interpolationsverfahren für einen hochauflösenden optischen winkelgeber und zugehöriger optischer winkelgeber - Google Patents
Interpolationsverfahren für einen hochauflösenden optischen winkelgeber und zugehöriger optischer winkelgeberInfo
- Publication number
- ATE338934T1 ATE338934T1 AT04291492T AT04291492T ATE338934T1 AT E338934 T1 ATE338934 T1 AT E338934T1 AT 04291492 T AT04291492 T AT 04291492T AT 04291492 T AT04291492 T AT 04291492T AT E338934 T1 ATE338934 T1 AT E338934T1
- Authority
- AT
- Austria
- Prior art keywords
- angle encoder
- optical angle
- interpolation method
- values
- value
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 2
Classifications
-
- 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
- H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
- H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
- H03M1/207—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a digital interpolation circuit
-
- 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
-
- 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
- G01D5/347—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 using displacement encoding scales
- G01D5/3473—Circular or rotary encoders
-
- 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
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
- H03M1/303—Circuits or methods for processing the quadrature signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0307406A FR2856477B1 (fr) | 2003-06-19 | 2003-06-19 | Procede d'interpolation angulaire realise pour codeur optique haute resolution et le codeur optique |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE338934T1 true ATE338934T1 (de) | 2006-09-15 |
Family
ID=33396809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT04291492T ATE338934T1 (de) | 2003-06-19 | 2004-06-15 | Interpolationsverfahren für einen hochauflösenden optischen winkelgeber und zugehöriger optischer winkelgeber |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1489387B1 (de) |
AT (1) | ATE338934T1 (de) |
DE (1) | DE602004002240T2 (de) |
FR (1) | FR2856477B1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9436003B2 (en) | 2014-05-12 | 2016-09-06 | Faro Technologies, Inc. | Robust index correction of an angular encoder in a three-dimensional coordinate measurement device |
US9759583B2 (en) | 2014-05-12 | 2017-09-12 | Faro Technologies, Inc. | Method of obtaining a reference correction value for an index mark of an angular encoder |
US9689986B2 (en) | 2014-05-12 | 2017-06-27 | Faro Technologies, Inc. | Robust index correction of an angular encoder based on read head runout |
CN109827597A (zh) * | 2019-03-08 | 2019-05-31 | 溱者(上海)智能科技有限公司 | 一种编码承载器件及位置编码器装置 |
CN113091774A (zh) * | 2021-03-17 | 2021-07-09 | 陈权 | 一种基于绝对值编码器的正余弦编码方法 |
DE102022103577A1 (de) | 2022-02-16 | 2023-08-17 | Ic-Haus Gmbh | Positionssensorvorrichtung für einen optischen Positionsencoder |
CN115112196B (zh) * | 2022-08-29 | 2022-11-29 | 济南瑞泉电子有限公司 | 一种高精度反射式光电直读水表解码方法及系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61110005A (ja) * | 1984-11-05 | 1986-05-28 | Fanuc Ltd | 位置検出方法および装置 |
GB2179515B (en) * | 1985-08-22 | 1989-08-02 | Muirhead Vactric Components | Interpolation method and application thereof to encoders |
DE3914557A1 (de) * | 1989-05-03 | 1990-11-08 | Heidenhain Gmbh Dr Johannes | Positionsmesseinrichtung mit mehreren abtaststellen |
JP3179493B2 (ja) * | 1992-04-22 | 2001-06-25 | 日本電産コパル株式会社 | アブソリュートエンコーダ |
-
2003
- 2003-06-19 FR FR0307406A patent/FR2856477B1/fr not_active Expired - Fee Related
-
2004
- 2004-06-15 EP EP04291492A patent/EP1489387B1/de active Active
- 2004-06-15 AT AT04291492T patent/ATE338934T1/de not_active IP Right Cessation
- 2004-06-15 DE DE602004002240T patent/DE602004002240T2/de active Active
Also Published As
Publication number | Publication date |
---|---|
FR2856477A1 (fr) | 2004-12-24 |
EP1489387A1 (de) | 2004-12-22 |
DE602004002240T2 (de) | 2007-08-23 |
FR2856477B1 (fr) | 2006-10-06 |
DE602004002240D1 (de) | 2006-10-19 |
EP1489387B1 (de) | 2006-09-06 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |