JP2012507028A - アブソリュートエンコーダーの設定表示 - Google Patents
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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
- G01D5/347—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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
- G01D5/34715—Scale reading or illumination devices
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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
- G01D5/12—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
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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
- G01D5/12—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
- G01D5/24457—Failure detection
- G01D5/24461—Failure detection by redundancy or plausibility
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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
- G01D5/12—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
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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
- G01D5/12—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
- G01D5/2495—Pseudo-random code
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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
- G01D5/347—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
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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
- G01D5/347—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
- G01D5/34776—Absolute encoders with analogue or digital scales
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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
- G01D7/00—Indicating measured values
- G01D7/005—Indication of measured value by colour change
Abstract
Description
Claims (25)
- 少なくとも1つの測定寸法をあらわす絶対位置情報を画定する複数のフィーチャを有するスケールと、該複数のフィーチャを読み取るように構成された読取りヘッドとを含むアブソリュートエンコーダー装置を操作する方法であって、
絶対位置情報を画定する少なくともいくつかのフィーチャのうちの少なくとも1つの表示を取得し、
前記表示の品質を表す少なくとも1つのパラメータを決定するように前記少なくとも1つの表示を解析し、
前記少なくとも1つのパラメータにおける少なくとも一部に基づいて、前記スケールおよび読取りヘッドの相対的な設定を表す出力をもたらすこと、を含む方法。 - 前記少なくとも1つのパラメータの決定が、単に前記少なくとも1つの表示に基づく請求項1に記載の方法。
- 前記少なくとも1つの表示を解析することは、前記表示における少なくともいくつかのフィーチャの品質を解析することを含む請求項1または請求項2に記載の方法。
- 前記少なくとも1つの表示を解析することは、前記少なくとも1つの表示における少なくともいくつかのフィーチャの強度を解析することを含む請求項1乃至請求項3のうちのいずれかに記載の方法。
- 前記少なくとも1つの表示を解析することは、前記少なくとも1つの表示における少なくともいくつかのフィーチャの振幅を解析することを含む請求項4に記載の方法。
- 前記トラックは、第1の形式のフィーチャおよび少なくとも第2の形式のフィーチャを含み、該第1の形式の表示の品質は、前記読取りヘッドおよび前記スケールの相対配置に対してより敏感であり、前記少なくとも1つのパラメータを決定することは、前記第1の形式の複数のフィーチャを解析することを含む請求項1乃至請求項5のうちのいずれかに記載の方法。
- 前記第1の形式の前記複数のフィーチャは、前記少なくとも1つの測定寸法をあらわす少なくとも前記第2の形式の前記複数のフィーチャより小さい請求項6に記載の方法。
- 前記少なくとも1つの表示を解析することは、前記第1の形式の複数のフィーチャと前記第2の形式のフィーチャとを比較することを含む請求項6または請求項7に記載の方法。
- 前記少なくとも1つの表示を解析することは、前記表示の少なくとも一部をフーリエ変換することを含む請求項1乃至請求項8のうちのいずれかに記載の方法。
- 前記第1の形式の前記複数のフィーチャの空間周波数に関連する1つ以上の周波数で表示の少なくとも一部の1つ以上のフーリエ変換を実行することを含む請求項9に記載の方法。
- 前記表示の品質を表す前記パラメータは、少なくとも1つのフーリエ変換の大きさに基づく請求項9または請求項10に記載の方法。
- 前記少なくとも1つの表示を解析することは、前記少なくとも1つの表示における少なくともいくつかのフィーチャの方向を解析することを含む請求項1乃至請求項11のうちのいずれかに記載の方法。
- 前記出力は、単に前記少なくとも1つのパラメータに基づく請求項1乃至請求項12のうちのいずれかに記載の方法。
- 前記エンコーダ装置は、光学エンコーダ装置である請求項1乃至請求項13のうちのいずれかに記載の方法。
- 前記スケールは、単一のトラックのみを含む請求項1乃至請求項14のうちのいずれかに記載の方法。
- 前記少なくとも1つの測定寸法をあらわすスケールおよび前記読取りヘッドの相対位置を決定するように前記少なくとも1つの表示を解析することをさらに含む請求項1乃至請求項15のうちのいずれかに記載の方法。
- 前記読取りヘッドは、前記少なくとも1つのパラメータを決定するように構成される回路を含む請求項1乃至請求項16のうちのいずれかに記載の方法。
- 前記読取りヘッドは、出力装置を含み、前記少なくとも1つのパラメータに基づく前記出力は、前記出力装置を介して出力される請求項1乃至請求項17のうちのいずれかに記載の方法。
- 前記出力装置は、視覚表示装置を含む請求項18に記載の方法。
- 前記出力装置は、発光ダイオードを含む請求項19に記載の方法。
- 前記出力は、前記表示の品質が閾値の品質に合致しているかどうかの決定に基づき少なくとも部分的である請求項1乃至請求項20のうちのいずれかに記載の方法。
- 前記出力は、前記表示の品質の水準を表す請求項21に記載の方法。
- 前記閾値の品質は、信頼できる位置情報を前記表示から抽出するために必要な表示の品質より高い請求項21または請求項22に記載の方法。
- 少なくとも1つの測定寸法を表す絶対位置情報を画定する複数のフィーチャを有するスケールと、前記複数のフィーチャを読み取るように構成された読取りヘッドとを含むアブソリュートエンコーダー装置であって、
前記読取りヘッドを介して、少なくともいくつかのフィーチャの少なくとも1つの表示を取得し、
前記表示の品質を表す少なくとも1つのパラメータを決定するために前記少なくとも1つの表示を解析し、
前記少なくとも1つのパラメータにおける少なくとも一部に基づき前記スケールおよび読取りヘッドの相対的な設定を表す出力をもたらすように構成される装置。 - アブソリュートエンコーダー装置のための読取りヘッドであって、
少なくともいくつかのフィーチャの少なくとも1つの表示を取得するための少なくとも1つのセンサと、
前記表示の品質を表す少なくとも1つのパラメータを決定するために前記少なくとも1つの表示を解析するように構成された回路と、
前記少なくとも1つのパラメータにおける少なくとも一部に基づき前記スケールおよび前記読取りヘッドの相対的な設定を表す出力をもたらすための出力装置と、
を含む読取りヘッド。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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GB0819767.5 | 2008-10-28 | ||
GBGB0819767.5A GB0819767D0 (en) | 2008-10-28 | 2008-10-28 | Absolute encoder setup indication |
PCT/GB2009/002558 WO2010049682A1 (en) | 2008-10-28 | 2009-10-27 | Absolute encoder setup indication |
Publications (2)
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JP2012507028A true JP2012507028A (ja) | 2012-03-22 |
JP5480284B2 JP5480284B2 (ja) | 2014-04-23 |
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US (1) | US8505210B2 (ja) |
EP (1) | EP2350570B1 (ja) |
JP (1) | JP5480284B2 (ja) |
KR (1) | KR101630471B1 (ja) |
CN (1) | CN102197282B (ja) |
ES (1) | ES2687677T3 (ja) |
GB (1) | GB0819767D0 (ja) |
WO (1) | WO2010049682A1 (ja) |
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- 2009-10-27 KR KR1020117008673A patent/KR101630471B1/ko active IP Right Grant
- 2009-10-27 CN CN200980143126.1A patent/CN102197282B/zh active Active
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Also Published As
Publication number | Publication date |
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JP5480284B2 (ja) | 2014-04-23 |
KR20110088506A (ko) | 2011-08-03 |
ES2687677T3 (es) | 2018-10-26 |
WO2010049682A1 (en) | 2010-05-06 |
CN102197282B (zh) | 2015-04-22 |
GB0819767D0 (en) | 2008-12-03 |
KR101630471B1 (ko) | 2016-06-14 |
CN102197282A (zh) | 2011-09-21 |
EP2350570B1 (en) | 2018-08-08 |
EP2350570A1 (en) | 2011-08-03 |
US8505210B2 (en) | 2013-08-13 |
US20110173832A1 (en) | 2011-07-21 |
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