CA2259191A1 - Apparatus and method for processing signals obtained from a position encoder - Google Patents

Apparatus and method for processing signals obtained from a position encoder Download PDF

Info

Publication number
CA2259191A1
CA2259191A1 CA002259191A CA2259191A CA2259191A1 CA 2259191 A1 CA2259191 A1 CA 2259191A1 CA 002259191 A CA002259191 A CA 002259191A CA 2259191 A CA2259191 A CA 2259191A CA 2259191 A1 CA2259191 A1 CA 2259191A1
Authority
CA
Canada
Prior art keywords
signals
signal
phase
time varying
periodic time
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
CA002259191A
Other languages
English (en)
French (fr)
Inventor
Andrew Nicholas Dames
David Thomas Eliot Ely
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.)
Synaptics UK Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2259191A1 publication Critical patent/CA2259191A1/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
    • G01D5/244—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/14—Electronic commutators
    • H02P6/16—Circuit arrangements for detecting position
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/64—Analogue/digital converters with intermediate conversion to phase of sinusoidal or similar periodical signals
    • H03M1/645—Analogue/digital converters with intermediate conversion to phase of sinusoidal or similar periodical signals for position encoding, e.g. using resolvers or synchros

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Rotational Drive Of Disk (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Control Of Stepping Motors (AREA)
  • Pulleys (AREA)
  • Threshing Machine Elements (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Analogue/Digital Conversion (AREA)
CA002259191A 1996-06-28 1997-06-30 Apparatus and method for processing signals obtained from a position encoder Abandoned CA2259191A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9613673.4 1996-06-28
GBGB9613673.4A GB9613673D0 (en) 1996-06-28 1996-06-28 Rotary spiral improvements

Publications (1)

Publication Number Publication Date
CA2259191A1 true CA2259191A1 (en) 1998-01-08

Family

ID=10796087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002259191A Abandoned CA2259191A1 (en) 1996-06-28 1997-06-30 Apparatus and method for processing signals obtained from a position encoder

Country Status (9)

Country Link
EP (1) EP0907878B1 (enExample)
JP (1) JP2001502416A (enExample)
AT (1) ATE225030T1 (enExample)
AU (1) AU3351897A (enExample)
CA (1) CA2259191A1 (enExample)
DE (1) DE69715848T2 (enExample)
ES (1) ES2184105T3 (enExample)
GB (1) GB9613673D0 (enExample)
WO (1) WO1998000921A2 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030062889A1 (en) 1996-12-12 2003-04-03 Synaptics (Uk) Limited Position detector
US6788221B1 (en) 1996-06-28 2004-09-07 Synaptics (Uk) Limited Signal processing apparatus and method
GB9720954D0 (en) * 1997-10-02 1997-12-03 Scient Generics Ltd Commutators for motors
GB9811151D0 (en) * 1998-05-22 1998-07-22 Scient Generics Ltd Rotary encoder
MXPA01005267A (es) 1998-11-27 2002-04-24 Synaptics Uk Ltd Sensor de posicion.
US7019672B2 (en) 1998-12-24 2006-03-28 Synaptics (Uk) Limited Position sensor
DE19950902A1 (de) 1999-10-22 2001-05-23 Ds Technologie Werkzeugmaschb System und Verfahren zur Steuerung einer Positioniereinrichtung, insbesondere von Stellantrieben bei Werkzeugmaschinen, sowie Phasenmischvorrichtung
AU2195101A (en) 1999-12-10 2001-06-18 Gentech Investment Group Ag Man-machine interface
EP1412912B1 (en) 2001-05-21 2008-06-18 Synaptics (UK) Limited Position sensor
US7196604B2 (en) 2001-05-30 2007-03-27 Tt Electronics Technology Limited Sensing apparatus and method
GB0126014D0 (en) 2001-10-30 2001-12-19 Sensopad Technologies Ltd Modulated field position sensor
GB2403017A (en) 2002-03-05 2004-12-22 Synaptics Position sensor
US7298137B2 (en) 2002-10-16 2007-11-20 Tt Electronics Technology Limited Position sensing apparatus and method
GB2394293A (en) * 2002-10-16 2004-04-21 Gentech Invest Group Ag Inductive sensing apparatus and method
GB0303627D0 (en) 2003-02-17 2003-03-19 Sensopad Technologies Ltd Sensing method and apparatus
GB0317370D0 (en) 2003-07-24 2003-08-27 Synaptics Uk Ltd Magnetic calibration array
JP4510892B2 (ja) 2004-09-24 2010-07-28 株式会社ワコム ポジションセンサを備える電子デバイス
JP5094390B2 (ja) * 2005-06-26 2012-12-12 株式会社アミテック 位置センサ
GB2488389C (en) 2010-12-24 2018-08-22 Cambridge Integrated Circuits Ltd Position sensing transducer
GB2503006B (en) 2012-06-13 2017-08-09 Cambridge Integrated Circuits Ltd Position sensing transducer
DE102017210655B4 (de) 2017-06-23 2023-12-21 Robert Bosch Gmbh Drehwinkelsensor
DE102018102094A1 (de) * 2018-01-31 2019-08-01 Thyssenkrupp Ag Induktiver Winkelsensor für eine Kraftfahrzeuglenkung
FR3077880B1 (fr) * 2018-02-15 2020-01-17 Continental Automotive France Capteur de couple integrant un capteur de position angulaire d'un element en rotation
CN119197332B (zh) * 2024-09-25 2025-04-18 天津大学 一种f-p腔正交检测的高精度微位移测量装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482242A (en) * 1966-05-25 1969-12-02 Computing Devices Canada Synchro to digital converter using storage capacitors and sampling circuits
JPS60165512A (ja) * 1984-02-08 1985-08-28 Toshiba Corp デイジタル回転角検出器
ES2115382T5 (es) * 1994-05-14 2004-12-01 Synaptics (Uk) Limited Codificador de posicion.

Also Published As

Publication number Publication date
WO1998000921A3 (en) 1998-04-23
EP0907878B1 (en) 2002-09-25
GB9613673D0 (en) 1996-08-28
EP0907878A2 (en) 1999-04-14
JP2001502416A (ja) 2001-02-20
ATE225030T1 (de) 2002-10-15
DE69715848D1 (de) 2002-10-31
ES2184105T3 (es) 2003-04-01
DE69715848T2 (de) 2003-05-22
AU3351897A (en) 1998-01-21
HK1019089A1 (en) 2000-01-21
WO1998000921A2 (en) 1998-01-08

Similar Documents

Publication Publication Date Title
CA2259191A1 (en) Apparatus and method for processing signals obtained from a position encoder
US6788221B1 (en) Signal processing apparatus and method
US6304014B1 (en) Motor control system
US6522128B1 (en) Position sensor having compact arrangement of coils
EP1078226B1 (en) Position sensor
EP0182085B1 (en) Position and speed sensors
US4772815A (en) Variable refluctance position transducer
US12013300B2 (en) Torque sensing device and method
Ehsani et al. New modulation encoding techniques for indirect rotor position sensing in switched reluctance motors
US4818939A (en) Apparatus for magnetically detecting position or speed or moving body utilizing bridge circuit with series connected MR elements
KR20040075860A (ko) 감지장치 및 감지방법
US9933283B2 (en) Robust rotary encoder for power tool
JP2007327940A (ja) 回転角度検出用センサシステムおよび可動部の位置検出方法
CN112461108B (zh) 感应位置传感装置及其方法
CN207021917U (zh) 位置传感器
DE102007060727A1 (de) Verfahren des Erkennens einer Rotationsposition durch Benutzen eines Hallelementes und eines Hallelement-Drehmelders
US6366037B1 (en) Separately excited electric machine
EP1042650B1 (en) Signal processing apparatus and method
EP1789756A2 (en) Sensing apparatus and method
HK1019089B (en) Apparatus and method for processing signals obtained from a position encoder
JPH11118521A (ja) Ｖｒ形レゾルバ及びレゾルバ信号処理回路
USRE34443E (en) Apparatus magnetically detecting position or speed of moving body utilizing bridge circuit with series connected MR elements
JPH09210726A (ja) 回転角度検出装置及び回転角検出信号生成回路
HK1030982B (en) Signal processing apparatus and method
HK40044429A (en) Inductive position sensing apparatus and method for the same

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued