IL237936B - High-precision device for magnetic and/or electromagnetic measurement of an angular position of a point - Google Patents

High-precision device for magnetic and/or electromagnetic measurement of an angular position of a point

Info

Publication number
IL237936B
IL237936B IL237936A IL23793615A IL237936B IL 237936 B IL237936 B IL 237936B IL 237936 A IL237936 A IL 237936A IL 23793615 A IL23793615 A IL 23793615A IL 237936 B IL237936 B IL 237936B
Authority
IL
Israel
Prior art keywords
magnetic
point
angular position
precision device
electromagnetic measurement
Prior art date
Application number
IL237936A
Other languages
Hebrew (he)
Original Assignee
Vishay Mcb Ind
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 Vishay Mcb Ind filed Critical Vishay Mcb Ind
Publication of IL237936B publication Critical patent/IL237936B/en

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
    • 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
    • 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
    • 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
    • G01D5/245—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 a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2458—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on separate encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IL237936A 2012-09-25 2015-03-25 High-precision device for magnetic and/or electromagnetic measurement of an angular position of a point IL237936B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12306161.6A EP2711663B1 (en) 2012-09-25 2012-09-25 High-precision device for magnetic and/or electromagnetic measurement of an angular position of a point
PCT/EP2013/069710 WO2014048872A1 (en) 2012-09-25 2013-09-23 High-precision device for magnetic and/or electromagnetic measurement of an angular position of a point

Publications (1)

Publication Number Publication Date
IL237936B true IL237936B (en) 2018-08-30

Family

ID=47010453

Family Applications (1)

Application Number Title Priority Date Filing Date
IL237936A IL237936B (en) 2012-09-25 2015-03-25 High-precision device for magnetic and/or electromagnetic measurement of an angular position of a point

Country Status (3)

Country Link
EP (1) EP2711663B1 (en)
IL (1) IL237936B (en)
WO (1) WO2014048872A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3104129A1 (en) 2015-06-11 2016-12-14 Vishay MCB Industrie Positional encoder
JP6769799B2 (en) * 2016-09-21 2020-10-14 日本電産サンキョー株式会社 Rotary encoder and absolute angle position detection method for rotary encoder
JP6644181B1 (en) * 2019-05-27 2020-02-12 三菱電機株式会社 Angle detector, control device for AC rotating machine, and electric power steering device
FR3118804B1 (en) 2021-01-14 2023-02-10 Richard Arlot Non-contact position sensor comprising a permanent magnet.
EP4086586A1 (en) 2021-05-03 2022-11-09 Vishay MCB Industrie S.A.S. Position encoder
FR3142243A1 (en) 2022-11-22 2024-05-24 Richard Arlot High precision non-contact angular or linear magnetic position sensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945231A (en) * 1988-06-02 1990-07-31 Toyota Jidosha Kabushiki Kaisha Compound rotary encoder for detecting the rotation angle and the number of rotations of a rotor shaft
US5757180A (en) * 1994-11-29 1998-05-26 Industrial Technology Research Institute Disk type of absolute-position magnetic encoder for rotary devices
DE10158344A1 (en) * 2001-11-28 2003-06-12 Bosch Gmbh Robert Determination of the absolute rotational angle of the rotor of a motor vehicle combustion engine alternator, by use of signals derived from a coarse encoder on the rotor itself and a fine encoder connected to the crankshaft
WO2008128224A1 (en) * 2007-04-16 2008-10-23 Globe Motors, Inc. Multiple track sense magnet assembly
JP4824635B2 (en) * 2007-06-15 2011-11-30 株式会社 ソキア・トプコン Angle correction method for rotary encoder

Also Published As

Publication number Publication date
EP2711663B1 (en) 2015-11-04
WO2014048872A1 (en) 2014-04-03
EP2711663A1 (en) 2014-03-26

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