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AU2002235739A1 - Angle measurement by magnetic transducer - Google Patents

Angle measurement by magnetic transducer

Info

Publication number
AU2002235739A1
AU2002235739A1 AU2002235739A AU3573902A AU2002235739A1 AU 2002235739 A1 AU2002235739 A1 AU 2002235739A1 AU 2002235739 A AU2002235739 A AU 2002235739A AU 3573902 A AU3573902 A AU 3573902A AU 2002235739 A1 AU2002235739 A1 AU 2002235739A1
Authority
AU
Australia
Prior art keywords
angle measurement
magnetic transducer
transducer
magnetic
measurement
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.)
Abandoned
Application number
AU2002235739A
Inventor
Lutz Axel May
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.)
Fast Technology AG
Original Assignee
Fast Technology AG
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 Fast Technology AG filed Critical Fast Technology AG
Publication of AU2002235739A1 publication Critical patent/AU2002235739A1/en
Abandoned 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
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2033—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
    • 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
    • G01D5/145—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 influenced by the relative movement between the Hall device and magnetic fields
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • 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
    • G01D5/2451—Incremental encoders
    • G01D5/2452—Incremental encoders incorporating two or more tracks having an (n, n+1, ...) relationship
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/73—Targets mounted eccentrically with respect to the axis of rotation
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles
    • G01D2205/777—Whorl-shaped profiles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
AU2002235739A 2000-11-21 2001-11-21 Angle measurement by magnetic transducer Abandoned AU2002235739A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0028343.2A GB0028343D0 (en) 2000-11-21 2000-11-21 Angle measurement by magnetic transducer
GB0028343.2 2000-11-21
PCT/EP2001/013698 WO2002042713A2 (en) 2000-11-21 2001-11-21 Angle measurement by magnetic transducer

Publications (1)

Publication Number Publication Date
AU2002235739A1 true AU2002235739A1 (en) 2002-06-03

Family

ID=9903564

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002235739A Abandoned AU2002235739A1 (en) 2000-11-21 2001-11-21 Angle measurement by magnetic transducer

Country Status (4)

Country Link
EP (1) EP1409962A2 (en)
AU (1) AU2002235739A1 (en)
GB (1) GB0028343D0 (en)
WO (1) WO2002042713A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1709649A2 (en) 2003-12-30 2006-10-11 NCTEngineering GmbH Method and an array for adjusting a magnetization of a magnetizable object
US7019517B2 (en) * 2004-07-20 2006-03-28 Honeywell International Inc. Offset magnet rotary position sensor
US8380397B2 (en) * 2009-06-19 2013-02-19 Cnh America Llc Off-road vehicle with redundant non-contact multi-revolution angle sensor
DE102010040139A1 (en) * 2010-09-02 2012-03-08 Robert Bosch Gmbh Determining a torque acting on a steering shaft
GB2506698A (en) * 2012-10-02 2014-04-09 Mark Anthony Howard Detector to measure the relative position of bodies
DE102013207621B4 (en) * 2013-04-26 2015-04-09 Schaeffler Technologies AG & Co. KG Angle measurement, in particular contactless, with individual sensors
US10030963B2 (en) 2015-10-01 2018-07-24 Raytheon Company Multidimensional angle determination using fine position sensors
US9869566B2 (en) * 2016-02-12 2018-01-16 Allegro Microsystems, Llc Angle sensing using differential magnetic measurement and a back bias magnet
US11473935B1 (en) 2021-04-16 2022-10-18 Allegro Microsystems, Llc System and related techniques that provide an angle sensor for sensing an angle of rotation of a ferromagnetic screw
US12227161B2 (en) 2022-02-24 2025-02-18 Deere & Company Brake pedal feedback system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719419A (en) * 1985-07-15 1988-01-12 Harris Graphics Corporation Apparatus for detecting a rotary position of a shaft
US4746859A (en) * 1986-12-22 1988-05-24 Sundstrand Corporation Power and temperature independent magnetic position sensor for a rotor
DE4233549A1 (en) * 1992-10-01 1994-04-21 Brose Fahrzeugteile Detecting RPM and rotation direction of rotary drive, e.g. window lifter of motor vehicle - using signal generating or altering element connected to rotary drive and supplying detecting sensor and electronic evaluation unit
DE19629611A1 (en) * 1996-07-23 1998-01-29 Grutzeck Christel Plate cam device for controlling magnetic flux sensitive semiconductor
DE19715991A1 (en) * 1996-08-01 1998-02-05 Kostal Leopold Gmbh & Co Kg Adjustment detector with magnetic sensor

Also Published As

Publication number Publication date
GB0028343D0 (en) 2001-01-03
EP1409962A2 (en) 2004-04-21
WO2002042713A2 (en) 2002-05-30
WO2002042713A3 (en) 2002-08-22

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