SE0101453D0 - High-resolution position sensor - Google Patents

High-resolution position sensor

Info

Publication number
SE0101453D0
SE0101453D0 SE0101453A SE0101453A SE0101453D0 SE 0101453 D0 SE0101453 D0 SE 0101453D0 SE 0101453 A SE0101453 A SE 0101453A SE 0101453 A SE0101453 A SE 0101453A SE 0101453 D0 SE0101453 D0 SE 0101453D0
Authority
SE
Sweden
Prior art keywords
elements
magnetic
magnetic track
tracks
designed
Prior art date
Application number
SE0101453A
Other languages
Swedish (sv)
Other versions
SE0101453L (en
Inventor
Jean-Baptiste Yvon
Olivier Andrieu
Original Assignee
Electricfil Ind Soc A Responsa
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
Priority claimed from FR0005326A external-priority patent/FR2808324A1/en
Application filed by Electricfil Ind Soc A Responsa filed Critical Electricfil Ind Soc A Responsa
Publication of SE0101453D0 publication Critical patent/SE0101453D0/en
Publication of SE0101453L publication Critical patent/SE0101453L/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
    • G01D5/245—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
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks
    • 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
    • G01D5/14—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 the magnitude of a current or voltage
    • G01D5/142—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 the magnitude of a current or voltage using Hall-effect devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)

Abstract

The invention relates to a sensor comprising at least one rotary magnetic encoder of the type comprising at least one circular magnetic track (2<SB>i</SB>) formed by a series of elements (5) for generating a varying magnetic field, the elements being distributed to form P pairs of elements at a mechanical period (T) equal to 360{/P, the magnetic track being designed to travel past at least one detector cell (3<SB>i</SB>) delivering a periodic electrical signal corresponding to variation in the intensity of the magnetic field generated by the elements. According to the invention, the encoder comprises either a set of <U>n</U> circular magnetic tracks (2<SB>i</SB>) each being designed to travel past a respective detector cell (S<SB>i</SB>) and mounted in such a manner that said elements (5) of the tracks are mutually angularly offset, or else a circular magnetic track for travelling past <U>n</U> detector cells that are angular offset relative to one another, the relative angular offset between the generator elements and the cells being adapted to obtain <U>n</U> electrical signals (S<SB>i</SB>) that are electrically phase-offset relative to one another by a value equal to 1/2n times the value of the period (T), thereby enabling the resolution to be increased by <U>n</U> times.
SE0101453A 2000-04-26 2001-04-26 High-resolution position sensor SE0101453L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0005326A FR2808324A1 (en) 2000-04-26 2000-04-26 High resolution position sensor, has magnetic coder having magnetic tracks with field generating elements that are angularly displaced one after the other with respect to the scanning cells
FR0012210A FR2808325B1 (en) 2000-04-26 2000-09-26 HIGH RESOLUTION POSITION SENSOR

Publications (2)

Publication Number Publication Date
SE0101453D0 true SE0101453D0 (en) 2001-04-26
SE0101453L SE0101453L (en) 2001-10-27

Family

ID=26212368

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0101453A SE0101453L (en) 2000-04-26 2001-04-26 High-resolution position sensor

Country Status (6)

Country Link
BR (1) BR0101605A (en)
DE (1) DE10118174A1 (en)
FR (1) FR2808325B1 (en)
GB (1) GB2366871B (en)
IT (1) ITTO20010397A1 (en)
SE (1) SE0101453L (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851650B1 (en) * 2003-02-25 2005-06-17 Skf Ab ROTATION PARAMETER DETECTION DEVICE AND ROLLING BEARING.
FR2880682B1 (en) 2005-01-12 2007-04-20 Electricfil Automotive Soc Par POSITION SENSOR WITH CYCLIC IMBALANCE
DE102005037938A1 (en) * 2005-08-11 2007-02-15 Zf Lenksysteme Gmbh Device for determining the position and a torque of a shaft
FR2896036B1 (en) * 2006-01-06 2008-11-07 Skf Ab ABSOLUTE DIFFERENTIAL COMPARISON ANGULAR POSITION DETECTION SYSTEM, BEARING AND ROTATING MACHINE
FR2902699B1 (en) 2006-06-26 2010-10-22 Skf Ab SUSPENSION STOP DEVICE AND FORCE LEG.
FR2906587B1 (en) 2006-10-03 2009-07-10 Skf Ab TENDERING ROLLER DEVICE.
FR2913081B1 (en) 2007-02-27 2009-05-15 Skf Ab DEBRAYABLE PULLEY DEVICE
DE102007024593A1 (en) 2007-05-25 2008-11-27 Dr. Johannes Heidenhain Gmbh Scale for a position measuring device and position measuring device
FR3005728B1 (en) * 2013-05-17 2016-09-30 Hutchinson POSITION ENCODER
WO2015090386A1 (en) * 2013-12-18 2015-06-25 Siemens Aktiengesellschaft Angle sensor
CN109649082B (en) * 2017-10-10 2023-09-08 斯凯孚公司 Hub assembly with dual angular position sensor
DE102020200378A1 (en) * 2020-01-14 2021-07-15 Contitech Antriebssysteme Gmbh Elastomer body and measuring arrangement on the same
DE102020203302A1 (en) * 2020-03-16 2021-09-16 Contitech Antriebssysteme Gmbh Measuring arrangement on a rotatable shaft

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786406B2 (en) * 1985-02-08 1995-09-20 株式会社日立製作所 Crank angle sensor
JP2722605B2 (en) * 1989-02-10 1998-03-04 株式会社安川電機 Magnetic encoder
US4952080A (en) * 1989-05-12 1990-08-28 The Stanley Works Automatic assist for swing-door operator
FR2700588B1 (en) * 1993-01-19 1995-02-17 Roulements Soc Nouvelle Mounting device with integrated encoder seal.
US5469054A (en) * 1993-04-22 1995-11-21 Honeywell Inc. Position sensor with two magnetically sensitive devices and two target tracks which are sensed in combination with each other to provide a synthesized signal
US5965806A (en) * 1997-09-30 1999-10-12 Cummins Engine Company, Inc. Engine crankshaft sensing system
US6073713A (en) * 1998-03-25 2000-06-13 Ford Global Technologies, Inc. Crankshaft position sensing with combined starter alternator
DE19821297C2 (en) * 1998-05-13 2000-05-18 Ivan Saprankov Arrangement for determining the absolute position
FR2783914B1 (en) * 1998-09-25 2000-12-15 Mecanique Et De Plastiques Ind PROCESS FOR PRODUCING A MAGNETIC ENCODER AND ENCODER OBTAINED BY THIS PROCESS
JP3564000B2 (en) * 1999-04-28 2004-09-08 ペンタックス株式会社 Encoder
JP2000314638A (en) * 1999-04-28 2000-11-14 Asahi Optical Co Ltd Encoder

Also Published As

Publication number Publication date
DE10118174A1 (en) 2001-11-08
ITTO20010397A1 (en) 2002-10-26
BR0101605A (en) 2001-11-20
FR2808325B1 (en) 2002-09-06
GB0110152D0 (en) 2001-06-20
ITTO20010397A0 (en) 2001-04-26
FR2808325A1 (en) 2001-11-02
GB2366871A8 (en) 2002-03-20
GB2366871A (en) 2002-03-20
GB2366871B (en) 2004-06-02
SE0101453L (en) 2001-10-27

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