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GB2595024B - Method of calibrating a device for sensing relative rotary position - Google Patents

Method of calibrating a device for sensing relative rotary position Download PDF

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Publication number
GB2595024B
GB2595024B GB2102935.0A GB202102935A GB2595024B GB 2595024 B GB2595024 B GB 2595024B GB 202102935 A GB202102935 A GB 202102935A GB 2595024 B GB2595024 B GB 2595024B
Authority
GB
United Kingdom
Prior art keywords
calibrating
rotary position
relative rotary
sensing relative
sensing
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.)
Active
Application number
GB2102935.0A
Other versions
GB202102935D0 (en
GB2595024A (en
Inventor
Marshall Keith
James Roach Christopher
Christopher Roberts Paul
James Randle Steven
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.)
CMR Surgical Ltd
Original Assignee
CMR Surgical Ltd
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 CMR Surgical Ltd filed Critical CMR Surgical Ltd
Priority to GB2102935.0A priority Critical patent/GB2595024B/en
Priority claimed from GB1512967.9A external-priority patent/GB2540599B/en
Publication of GB202102935D0 publication Critical patent/GB202102935D0/en
Publication of GB2595024A publication Critical patent/GB2595024A/en
Application granted granted Critical
Publication of GB2595024B publication Critical patent/GB2595024B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G01D5/02—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 mechanical means
    • 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
    • G01D5/125—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 characterised by a first part whose movement represents the measuring value, and by a second part which is moved by an external force in order to follow the movement of the first part
    • 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
    • G01D2205/20—Detecting rotary movement
    • G01D2205/26—Details of encoders or position sensors specially adapted to detect rotation beyond a full turn of 360°, e.g. multi-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
    • G01D2205/774—Profiles with a discontinuity, e.g. edge or stepped profile

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB2102935.0A 2015-07-22 2015-07-22 Method of calibrating a device for sensing relative rotary position Active GB2595024B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2102935.0A GB2595024B (en) 2015-07-22 2015-07-22 Method of calibrating a device for sensing relative rotary position

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2102935.0A GB2595024B (en) 2015-07-22 2015-07-22 Method of calibrating a device for sensing relative rotary position
GB1512967.9A GB2540599B (en) 2015-07-22 2015-07-22 Rotary encoder.

Publications (3)

Publication Number Publication Date
GB202102935D0 GB202102935D0 (en) 2021-04-14
GB2595024A GB2595024A (en) 2021-11-17
GB2595024B true GB2595024B (en) 2022-03-23

Family

ID=75377590

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2102935.0A Active GB2595024B (en) 2015-07-22 2015-07-22 Method of calibrating a device for sensing relative rotary position

Country Status (1)

Country Link
GB (1) GB2595024B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117405150B (en) * 2023-09-28 2025-07-25 中国机械总院集团山西机电研究院有限公司 Magnetic ring encoder and method for detecting absolute angle of magnetic ring encoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0236310A (en) * 1988-07-26 1990-02-06 Toshiba Corp Rotation angle detecting device
EP3091339A1 (en) * 2015-05-06 2016-11-09 Rockwell Automation Technologies, Inc. Nonvolatile rotation sensor with spiral track

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0236310A (en) * 1988-07-26 1990-02-06 Toshiba Corp Rotation angle detecting device
EP3091339A1 (en) * 2015-05-06 2016-11-09 Rockwell Automation Technologies, Inc. Nonvolatile rotation sensor with spiral track

Also Published As

Publication number Publication date
GB202102935D0 (en) 2021-04-14
GB2595024A (en) 2021-11-17

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