WO2008090747A1 - Σδ型ａｄ変換器およびそれを用いた角速度センサ - Google Patents

Σδ型ａｄ変換器およびそれを用いた角速度センサ Download PDF

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Publication number
WO2008090747A1
WO2008090747A1 PCT/JP2008/000087 JP2008000087W WO2008090747A1 WO 2008090747 A1 WO2008090747 A1 WO 2008090747A1 JP 2008000087 W JP2008000087 W JP 2008000087W WO 2008090747 A1 WO2008090747 A1 WO 2008090747A1
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WO
WIPO (PCT)
Prior art keywords
digital
converter
angular velocity
velocity sensor
same
Prior art date
Application number
PCT/JP2008/000087
Other languages
English (en)
French (fr)
Inventor
Hideyuki Murakami
Takashi Kawai
Kouji Nabetani
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/523,769 priority Critical patent/US7898448B2/en
Priority to EP08702828.8A priority patent/EP2096759B1/en
Priority to CN2008800031159A priority patent/CN101611548B/zh
Publication of WO2008090747A1 publication Critical patent/WO2008090747A1/ja

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/56—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
    • G01C19/5642—Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces using vibrating bars or beams
    • G01C19/5649—Signal processing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/326—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/368—Continuously compensating for, or preventing, undesired influence of physical parameters of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/43—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/456—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a first order loop filter in the feedforward path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/466—Multiplexed conversion systems
    • H03M3/472—Shared, i.e. using a single converter for multiple channels
    • H03M3/474—Shared, i.e. using a single converter for multiple channels using time-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
    • H03M3/486—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the input gain
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
    • H03M3/49—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Gyroscopes (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

　入力切替装置（４４）とＤＡ変換装置（４８）とから出力される電荷を積分しその少なくとも２つの積分値を保持する積分装置（６２）と、この積分装置（６２）から出力される少なくとも２つの積分値を所定の値と比較する比較装置（６３）と、この比較装置（６３）の出力信号を演算する演算装置（７３）とを備え、この演算装置（７３）に、比較装置（６３）から出力される少なくとも２つの比較信号の差を演算する差分演算装置（７０）を設けたΣΔＡＤ変換器を用いて、出力特性が安定した角速度センサを提供する。
PCT/JP2008/000087 2007-01-26 2008-01-25 Σδ型ａｄ変換器およびそれを用いた角速度センサ WO2008090747A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/523,769 US7898448B2 (en) 2007-01-26 2008-01-25 Sigma-delta type analog-to-digital (AD) converter and angular velocity sensor using same
EP08702828.8A EP2096759B1 (en) 2007-01-26 2008-01-25 Sigma-delta type analog-to-digital (ad) converter and angular velocity sensor using same
CN2008800031159A CN101611548B (zh) 2007-01-26 2008-01-25 ∑△型ad转换器以及使用了该转换器的角速度传感器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-016017 2007-01-26
JP2007016017 2007-01-26
JP2007292830A JP4924370B2 (ja) 2007-01-26 2007-11-12 Σδ型ａｄ変換器およびそれを用いた角速度センサ
JP2007-292830 2007-11-12

Publications (1)

Publication Number Publication Date
WO2008090747A1 true WO2008090747A1 (ja) 2008-07-31

Family

ID=39644322

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000087 WO2008090747A1 (ja) 2007-01-26 2008-01-25 Σδ型ａｄ変換器およびそれを用いた角速度センサ

Country Status (5)

Country Link
US (1) US7898448B2 (ja)
EP (1) EP2096759B1 (ja)
JP (1) JP4924370B2 (ja)
CN (1) CN101611548B (ja)
WO (1) WO2008090747A1 (ja)

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JP2009092583A (ja) * 2007-10-11 2009-04-30 Nippon Signal Co Ltd:The ジャイロセンサのドリフト抑制方法
WO2011010446A1 (ja) * 2009-07-22 2011-01-27 パナソニック株式会社 角速度センサ
JP2011027455A (ja) * 2009-07-22 2011-02-10 Panasonic Corp 角速度センサ
JP2011085416A (ja) * 2009-10-13 2011-04-28 Panasonic Corp 角速度センサ
WO2021080948A2 (en) 2019-10-24 2021-04-29 Danisco Us Inc Variant maltopentaose/maltohexaose-forming alpha-amylases
WO2023114988A2 (en) 2021-12-16 2023-06-22 Danisco Us Inc. Variant maltopentaose/maltohexaose-forming alpha-amylases

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Publication number Priority date Publication date Assignee Title
JP2009092583A (ja) * 2007-10-11 2009-04-30 Nippon Signal Co Ltd:The ジャイロセンサのドリフト抑制方法
WO2011010446A1 (ja) * 2009-07-22 2011-01-27 パナソニック株式会社 角速度センサ
JP2011027455A (ja) * 2009-07-22 2011-02-10 Panasonic Corp 角速度センサ
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WO2021080948A2 (en) 2019-10-24 2021-04-29 Danisco Us Inc Variant maltopentaose/maltohexaose-forming alpha-amylases
WO2023114988A2 (en) 2021-12-16 2023-06-22 Danisco Us Inc. Variant maltopentaose/maltohexaose-forming alpha-amylases

Also Published As

Publication number Publication date
US7898448B2 (en) 2011-03-01
CN101611548B (zh) 2012-10-03
EP2096759A4 (en) 2012-01-18
JP2008206134A (ja) 2008-09-04
EP2096759B1 (en) 2018-01-03
CN101611548A (zh) 2009-12-23
JP4924370B2 (ja) 2012-04-25
US20100013688A1 (en) 2010-01-21
EP2096759A1 (en) 2009-09-02

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