DE69822118D1 - Offset-korrekturschaltung für kodiervorrichtung - Google Patents

Offset-korrekturschaltung für kodiervorrichtung

Info

Publication number
DE69822118D1
DE69822118D1 DE69822118T DE69822118T DE69822118D1 DE 69822118 D1 DE69822118 D1 DE 69822118D1 DE 69822118 T DE69822118 T DE 69822118T DE 69822118 T DE69822118 T DE 69822118T DE 69822118 D1 DE69822118 D1 DE 69822118D1
Authority
DE
Germany
Prior art keywords
correction circuit
offset correction
offset
circuit
correction
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.)
Expired - Lifetime
Application number
DE69822118T
Other languages
English (en)
Other versions
DE69822118T2 (de
Inventor
Mitsuyuki Taniguchi
Tadashi Inoue
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.)
Fanuc Corp
Original Assignee
Fanuc Corp
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 Fanuc Corp filed Critical Fanuc Corp
Publication of DE69822118D1 publication Critical patent/DE69822118D1/de
Application granted granted Critical
Publication of DE69822118T2 publication Critical patent/DE69822118T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/0607—Offset or drift compensation
    • 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
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • 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
    • G01D5/24471—Error correction
    • G01D5/2448—Correction of gain, threshold, offset or phase control
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
DE69822118T 1997-05-12 1998-05-12 Offset-korrekturschaltung für kodiervorrichtung Expired - Lifetime DE69822118T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13577097 1997-05-12
JP9135770A JP3026949B2 (ja) 1997-05-12 1997-05-12 エンコーダのオフセット補正回路
PCT/JP1998/002099 WO1998051997A1 (fr) 1997-05-12 1998-05-12 Circuit de correction de decalage pour dispositif de codage

Publications (2)

Publication Number Publication Date
DE69822118D1 true DE69822118D1 (de) 2004-04-08
DE69822118T2 DE69822118T2 (de) 2004-07-22

Family

ID=15159460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69822118T Expired - Lifetime DE69822118T2 (de) 1997-05-12 1998-05-12 Offset-korrekturschaltung für kodiervorrichtung

Country Status (5)

Country Link
US (1) US6215426B1 (de)
EP (1) EP0932027B1 (de)
JP (1) JP3026949B2 (de)
DE (1) DE69822118T2 (de)
WO (1) WO1998051997A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844663C2 (de) * 1998-09-29 2000-09-21 Siemens Ag Schaltungsanordnung und Verfahren zum Einstellen von Schaltpunkten eines Entscheiders
JP3419397B2 (ja) * 2001-01-18 2003-06-23 日本電気株式会社 クロック同期回路及びクロック同期方法
JP3974893B2 (ja) * 2003-12-09 2007-09-12 ファナック株式会社 エンコーダ
JP4515120B2 (ja) * 2004-03-12 2010-07-28 ルネサスエレクトロニクス株式会社 レゾルバディジタル角度変換装置および方法ならびにプログラム
DE602005025068D1 (de) * 2004-06-21 2011-01-13 Fujitsu Ten Ltd Gerät zum Korrigieren der Stromwerte eines Drehstrommotors und ein Korrektur-Verfahren
JP2007218667A (ja) * 2006-02-15 2007-08-30 Fanuc Ltd エンコーダのオフセット補正回路
US8183856B2 (en) * 2008-05-02 2012-05-22 Infineon Technologies Ag System including signal offset estimation
DE102009019645B4 (de) * 2008-05-02 2016-09-15 Infineon Technologies Ag System mit Signalversatzschätzung
IT1406245B1 (it) * 2010-09-20 2014-02-14 Psc Engineering S R L Sistema e procedimento di determinazione di derive (offset) di strumenti di misura.
CN102175889B (zh) * 2011-01-24 2012-11-07 长春工业大学 一种伺服转台角加速度自适应测量方法
JP6304260B2 (ja) * 2013-11-05 2018-04-04 株式会社安川電機 モータ制御装置、モータ制御システム及びモータ制御方法
DE102014015747B4 (de) * 2014-10-24 2024-01-25 Infineon Technologies Ag Sensorsystem und Warneinheit zum Sensieren und Verifizieren von Daten in Bezug auf eine Bewegung eines Objekts
US9294139B1 (en) * 2014-11-13 2016-03-22 Molecular Devices, Llc System and methods for constructing a noise replica

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318617A (en) 1979-12-14 1982-03-09 Keuffel & Esser Company DC Shift error correction for electro-optical measuring system
US4458322A (en) * 1981-06-19 1984-07-03 Manhattan Engineering Co., Inc. Control of page storage among three media using a single channel processor program and a page transfer bus
EP0473373A3 (en) 1990-08-24 1993-03-03 Rockwell International Corporation Calibration system for direct conversion receiver
JPH04365542A (ja) * 1991-06-11 1992-12-17 Fanuc Ltd センサ信号の自動オフセット補正方式
JPH0658769A (ja) * 1992-08-06 1994-03-04 Canon Inc 信号処理方法及びそれを用いた変位検出装置
JPH06167354A (ja) * 1992-11-27 1994-06-14 Sony Magnescale Inc スケールの内挿処理装置
JP3261187B2 (ja) * 1993-01-06 2002-02-25 多摩川精機株式会社 エンコーダにおけるアナログゲイン補正方法
JPH07209020A (ja) * 1994-01-17 1995-08-11 Nikon Corp エンコーダ読み取り信号の補正回路
JPH07218288A (ja) 1994-01-28 1995-08-18 Mitsubishi Electric Corp 絶対位置検出装置及びその誤差補正方法
JP3367226B2 (ja) * 1994-10-20 2003-01-14 ソニー・プレシジョン・テクノロジー株式会社 変位量検出装置
WO1997007382A1 (fr) * 1995-08-17 1997-02-27 Fanuc Ltd Procede et appareil de traitement de donnees angulaires issues d'un codeur

Also Published As

Publication number Publication date
JPH10311743A (ja) 1998-11-24
US6215426B1 (en) 2001-04-10
DE69822118T2 (de) 2004-07-22
EP0932027A1 (de) 1999-07-28
WO1998051997A1 (fr) 1998-11-19
EP0932027B1 (de) 2004-03-03
EP0932027A4 (de) 2000-08-09
JP3026949B2 (ja) 2000-03-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition