DE3579639D1 - Kompensationssystem fuer einen positionskodierer. - Google Patents

Kompensationssystem fuer einen positionskodierer.

Info

Publication number
DE3579639D1
DE3579639D1 DE8585106920T DE3579639T DE3579639D1 DE 3579639 D1 DE3579639 D1 DE 3579639D1 DE 8585106920 T DE8585106920 T DE 8585106920T DE 3579639 T DE3579639 T DE 3579639T DE 3579639 D1 DE3579639 D1 DE 3579639D1
Authority
DE
Germany
Prior art keywords
compensation system
position encoder
encoder
compensation
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
DE8585106920T
Other languages
English (en)
Inventor
Sidney A Wingate
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.)
Dynamics Research Corp
Original Assignee
Dynamics Research 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 Dynamics Research Corp filed Critical Dynamics Research Corp
Application granted granted Critical
Publication of DE3579639D1 publication Critical patent/DE3579639D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G01D18/001—Calibrating encoders
    • 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
    • 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
    • G01D5/2449—Error correction using hard-stored calibration data

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Optical Transform (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
DE8585106920T 1984-06-08 1985-06-04 Kompensationssystem fuer einen positionskodierer. Expired - Lifetime DE3579639D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/618,509 US4631520A (en) 1984-06-08 1984-06-08 Position encoder compensation system

Publications (1)

Publication Number Publication Date
DE3579639D1 true DE3579639D1 (de) 1990-10-18

Family

ID=24478015

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585106920T Expired - Lifetime DE3579639D1 (de) 1984-06-08 1985-06-04 Kompensationssystem fuer einen positionskodierer.

Country Status (4)

Country Link
US (1) US4631520A (de)
EP (1) EP0167823B1 (de)
JP (1) JPS614919A (de)
DE (1) DE3579639D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912468A (en) * 1985-12-04 1990-03-27 Dynamics Research Corporation Non-linear error correction system
JPH061203B2 (ja) * 1986-09-10 1994-01-05 フアナツク株式会社 デイジタルパルスのパルス幅確保およびノイズ抑制のための回路
AT393030B (de) * 1989-05-23 1991-07-25 Rsf Elektronik Gmbh Inkrementales messsystem
US5050135A (en) * 1989-12-20 1991-09-17 Unico, Inc. Magnetostrictive multiple position sensing device
GB2281624A (en) * 1993-07-30 1995-03-08 Rover Group Engine crankshaft position determination
US5640007A (en) * 1995-06-21 1997-06-17 Limitorque Corporation Optical encoder comprising a plurality of encoder wheels
DE19945179C2 (de) * 1999-09-21 2001-11-15 Siemens Ag Verfahren zur Vorgabe einer Rampe durch eine getaktete Größe
US6686585B2 (en) * 2001-09-19 2004-02-03 Microe Systems Corporation Position encoder with scale calibration
JP2003121135A (ja) * 2001-10-10 2003-04-23 Futaba Corp リニヤスケールの読出装置
DE10160835B4 (de) * 2001-12-06 2011-02-17 Anton Rodi Anordnung zur Interpolation eines Messsignals
US8882657B2 (en) * 2003-03-07 2014-11-11 Intuitive Surgical Operations, Inc. Instrument having radio frequency identification systems and methods for use
US7126109B2 (en) * 2004-06-14 2006-10-24 Gsi Group Corporation Encoder scale error compensation employing comparison among multiple detectors
CN101529211B (zh) * 2006-08-21 2011-12-21 Gsi集团公司 采用具有公共刻线基板的多个子编码器的旋转光学编码器
JP4468981B2 (ja) * 2007-10-12 2010-05-26 オリンパス株式会社 エンコーダ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1552273B2 (de) * 1965-01-28 1973-02-15 Fujitsu Ltd, Kawasaki, Kanagawa (Japan) Vorrichtung zum ausgleich der steigungsfehler einer vorschubspindel
DE2547885C3 (de) * 1975-10-25 1980-05-08 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Elektronischer Zähler
JPS56153212A (en) * 1980-04-30 1981-11-27 Toshiba Corp Encoder
JPS56159794A (en) * 1980-05-12 1981-12-09 Tokyo Optical Length or angle measuring device
DE3024716C2 (de) * 1980-06-30 1986-10-23 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitales Längen- oder Winkelmeßsystem
US4410798A (en) * 1981-06-10 1983-10-18 Itek Corporation Incremental optical encoder system with addressable index
DE3128095A1 (de) * 1981-07-16 1983-02-03 Hartmann & Braun Ag, 6000 Frankfurt "verfahren zur digitalen korrektur des zusammenhanges zwischen einem digitalen eingangssignal und einem digitalen ausgangssignal sowie schaltungsanordnung zur durchfuehrung dieses verfahrens"
FR2509851A1 (fr) * 1981-07-17 1983-01-21 Tesa Sa Capteur electronique de mesure
DE3201005A1 (de) * 1982-01-15 1983-07-28 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Einrichtung zur fehlerkorrektur bei positionsmesssystemen
DE3208591C2 (de) * 1982-03-10 1986-06-05 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitales elektrisches Längen- oder Winkelmeßsystem
US4491826A (en) * 1983-05-16 1985-01-01 Danfoss A/S Incremental digital converter

Also Published As

Publication number Publication date
JPS614919A (ja) 1986-01-10
EP0167823A1 (de) 1986-01-15
US4631520A (en) 1986-12-23
EP0167823B1 (de) 1990-09-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee