TWI438408B - 偵測裝置 - Google Patents

偵測裝置 Download PDF

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Publication number
TWI438408B
TWI438408B TW098125179A TW98125179A TWI438408B TW I438408 B TWI438408 B TW I438408B TW 098125179 A TW098125179 A TW 098125179A TW 98125179 A TW98125179 A TW 98125179A TW I438408 B TWI438408 B TW I438408B
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TW
Taiwan
Prior art keywords
signals
error
phase
error correction
arithmetic unit
Prior art date
Application number
TW098125179A
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English (en)
Chinese (zh)
Other versions
TW201007140A (en
Inventor
Yuzo Seo
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Publication of TW201007140A publication Critical patent/TW201007140A/zh
Application granted granted Critical
Publication of TWI438408B publication Critical patent/TWI438408B/zh

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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
    • G01D5/24495—Error correction using previous values
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • 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
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G01D18/001—Calibrating encoders
    • 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
    • G01D5/24457—Failure detection
    • G01D5/24466—Comparison of the error value to a threshold
    • 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
    • G01D5/2448—Correction of gain, threshold, offset or phase control
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Software Systems (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
TW098125179A 2008-07-29 2009-07-27 偵測裝置 TWI438408B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008194487A JP5178374B2 (ja) 2008-07-29 2008-07-29 検出装置

Publications (2)

Publication Number Publication Date
TW201007140A TW201007140A (en) 2010-02-16
TWI438408B true TWI438408B (zh) 2014-05-21

Family

ID=41319713

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098125179A TWI438408B (zh) 2008-07-29 2009-07-27 偵測裝置

Country Status (6)

Country Link
US (1) US8307264B2 (enExample)
EP (1) EP2154487A3 (enExample)
JP (1) JP5178374B2 (enExample)
KR (1) KR100991401B1 (enExample)
CN (1) CN101639369B (enExample)
TW (1) TWI438408B (enExample)

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JP5327656B2 (ja) * 2011-07-13 2013-10-30 株式会社デンソー 物理量検出装置、および物理量検出装置の検査方法
JP5932285B2 (ja) * 2011-10-14 2016-06-08 キヤノン株式会社 エンコーダおよびこれを備えた装置
EP2615424B1 (en) * 2012-01-13 2014-01-08 SICK STEGMANN GmbH Method for supervising the correct function of a periodically modulated sensor controlling the position of a rotating system and controller device for performing this method
JP6215527B2 (ja) * 2012-02-02 2017-10-18 旭化成エレクトロニクス株式会社 物理量計測装置及び物理量計測方法
EP2674729B1 (en) * 2012-06-15 2016-07-13 SICK STEGMANN GmbH Position encoder
KR101335162B1 (ko) * 2012-11-19 2013-12-02 한밭대학교 산학협력단 레졸버를 위한 위치 오차 보정 장치 및 보정 방법
CN102944258A (zh) * 2012-11-26 2013-02-27 中国科学院长春光学精密机械与物理研究所 高精度编码器光电信号细分误差的检测方法
JP5341267B1 (ja) * 2013-01-11 2013-11-13 捷利 壬生 変位量検出装置、およびその誤差・検出・評価方法
DE102015215510A1 (de) * 2014-08-14 2016-02-18 Continental Automotive Gmbh Verfahren zum Ermitteln eines Orthogonalitätsfehlers zwischen zwei Sensorsignalen
DE102017216536B4 (de) * 2017-09-19 2023-07-06 Vitesco Technologies GmbH Verfahren zur Kompensation von Störungen eines gemessenen Winkelsignals eines magnetischen Winkelsensors einer elektrischen Maschine und ein entsprechend ausgebildeter Mikrokontroller, eine elektrische Maschine, sowie ein Computerprogrammprodukt
SE542950C2 (en) * 2018-02-01 2020-09-22 Leine & Linde Ab Methods, computer programs, devices and encoders for signal error correction
CN110362365B (zh) * 2018-03-26 2024-02-13 吕纪竹 一种实时预测流数据变化趋势的方法
JP7246892B2 (ja) * 2018-10-29 2023-03-28 キヤノン株式会社 位置検出装置、レンズ装置、位置検出方法、および、プログラム
CN109855667B (zh) * 2018-12-21 2022-02-22 金卡智能集团股份有限公司 一种适用于不同表具的误差校准方法
CN110389745B (zh) * 2019-05-15 2023-10-13 广东工业大学 一种基于基尼回归的信号检测与估计电路及方法
CN110426071A (zh) * 2019-08-30 2019-11-08 新代科技(苏州)有限公司 旋转编码器精度估测装置及应用其的估测方法
JP2022179101A (ja) * 2021-05-21 2022-12-02 ミネベアミツミ株式会社 アブソリュートエンコーダ、アブソリュートエンコーダの角度誤差補正装置、及び、アブソリュートエンコーダの角度誤差補正方法

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JP2790863B2 (ja) * 1989-08-10 1998-08-27 三菱化学株式会社 信号校正装置
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JP4713123B2 (ja) * 2004-10-13 2011-06-29 株式会社ミツトヨ エンコーダ出力信号補正装置
KR20070054735A (ko) * 2004-10-20 2007-05-29 가부시키가이샤 야스카와덴키 인코더 신호 처리 장치 및 그 신호 처리 방법
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Also Published As

Publication number Publication date
US20100031097A1 (en) 2010-02-04
KR20100012823A (ko) 2010-02-08
KR100991401B1 (ko) 2010-11-03
JP2010032347A (ja) 2010-02-12
TW201007140A (en) 2010-02-16
EP2154487A2 (en) 2010-02-17
CN101639369B (zh) 2011-06-29
CN101639369A (zh) 2010-02-03
US8307264B2 (en) 2012-11-06
EP2154487A3 (en) 2014-06-18
JP5178374B2 (ja) 2013-04-10

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