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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

Info

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
Authority
WO
WIPO (PCT)
Prior art keywords
digital
converter
angular velocity
velocity sensor
same
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.)
Ceased
Application number
PCT/JP2008/000087
Other languages
English (en)
French (fr)
Inventor
Hideyuki Murakami
Takashi Kawai
Kouji Nabetani
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to CN2008800031159A priority Critical patent/CN101611548B/zh
Priority to EP08702828.8A priority patent/EP2096759B1/en
Priority to US12/523,769 priority patent/US7898448B2/en
Publication of WO2008090747A1 publication Critical patent/WO2008090747A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Gyroscopes (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 Ceased WO2008090747A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
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
EP08702828.8A EP2096759B1 (en) 2007-01-26 2008-01-25 Sigma-delta type analog-to-digital (ad) converter and angular velocity sensor using same
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

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007016017 2007-01-26
JP2007-016017 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 Ceased 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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IT1392553B1 (it) 2008-12-11 2012-03-09 St Microelectronics Rousset Dispositivo elettronico a capacita' variabile e dispositivo microelettromeccanico incorporante tale dispositivo elettronico
JP2010169532A (ja) * 2009-01-22 2010-08-05 Panasonic Corp 駆動回路、物理量センサ装置
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CN102472624A (zh) * 2009-06-26 2012-05-23 罗姆股份有限公司 角速度传感器和用于它的同步检波电路
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DE102010039272B3 (de) * 2010-08-12 2011-12-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kapazitätsmessschaltung, Sensorsystem und Verfahren zum Messen einer Kapazität unter Verwendung eines sinusförmigen Spannungssignals
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JP6492949B2 (ja) * 2015-05-14 2019-04-03 セイコーエプソン株式会社 回路装置、物理量検出装置、電子機器及び移動体
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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
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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

Also Published As

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

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