KR870007414A - 자기식 회전센서 - Google Patents

자기식 회전센서 Download PDF

Info

Publication number
KR870007414A
KR870007414A KR870000403A KR870000403A KR870007414A KR 870007414 A KR870007414 A KR 870007414A KR 870000403 A KR870000403 A KR 870000403A KR 870000403 A KR870000403 A KR 870000403A KR 870007414 A KR870007414 A KR 870007414A
Authority
KR
South Korea
Prior art keywords
magnetic
signal
auxiliary signals
rotation
generated
Prior art date
Application number
KR870000403A
Other languages
English (en)
Other versions
KR900007794B1 (ko
Inventor
마사노리 구보타
요시카즈 호시
Original Assignee
미타 가츠시게
가부시키 가이샤 히타치 세이사쿠쇼
모리 미치츠구
히타치오토모티브 엔지니어링 가부시키 가이샤
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 미타 가츠시게, 가부시키 가이샤 히타치 세이사쿠쇼, 모리 미치츠구, 히타치오토모티브 엔지니어링 가부시키 가이샤 filed Critical 미타 가츠시게
Publication of KR870007414A publication Critical patent/KR870007414A/ko
Application granted granted Critical
Publication of KR900007794B1 publication Critical patent/KR900007794B1/ko

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
    • G01D5/54—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
    • G01D5/56—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 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
    • G01D5/14—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 the magnitude of a current or voltage
    • G01D5/142—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 the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—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 the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • 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
    • 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
    • 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
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/143—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit in pattern-reading type converters, e.g. having both absolute and incremental tracks on one disc or strip
    • 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
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
    • H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
    • H03M1/207—Increasing resolution using an n bit system to obtain n + m bits by interpolation using a digital interpolation circuit
    • 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
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • 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
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/303—Circuits or methods for processing the quadrature signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

내용 없음

Description

자기식 회전센서
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명의 실시예에 의한 자기식 회전센서의 블록도.
제2c도는 회전드럼에 기록된 자기신호의 상태와 회전드럼에 대향식 자기식 센서의 자기저항 소자의 상세한 배치 및 자기저항소자로부터의 신호를 유도하기 위한 회로를 나타내는 도면.
제5도는 제1도의 자기식 회전센서의 보전기능의 원리에 대한 설명도.

Claims (4)

  1. 회전체와 연결되어 함께 회전하며, 회전수단의 회전방향의 복수개의 트랙으로 분할되어 자기기록부를 가지며, 이 트랙을 따라서 자기신호가 소정형태로 기록되며, 따라서 코드가 상기 회전수단의 회전방향에 대하여 직각방향으로 형성되는 회전수단과, 상기 회전수단의 트랙에 대향하며, 코드에 대응하는 신호를 발생하기 위해 트랙위에 기록된 자기신호를 검출하는 복수개의 자기감지장치로 구성된 자기감지수단과, 상기 자기감지수단으로부터의 신호를 처리하며, 상기 회전수단의 1회전을 소정수로 분할함으로써 얻어진 제1차위치를 식별하는 위치신호를 발생시키기 위한 수단을 갖는 회전체의 절대회전위치를 식별하는 자기식 회전센서에 있어서, 상기 회전수단에는 자기신호를 기록하는 추가트랙이 설치되며, 상기 자기감지수단에는 추가트랙위에 기록된 자기신호를 검출하는 추가감지장치가 설치되며, 두개의 보조신호는 크기를 주기적으로 변경하는 상기 회전수단의 회전에 따라서 발생되며, 그 주기는 인접하는 제1차위치의 위치신호의 간격과 같으며, 보조신호중의 하나는 다른 보조신호와의 소정 위상차에 의하여 전위되며, 상기 신호처리수단은 두 보조신호의 크기에 의하여 인접하는 제1차위치 사이에서 보간하는 회전위치를 표시하는 보간신호를 발생시키는 것을 특징으로 하는 자기식 회전센서.
  2. 제1항에 있어서, 구간은 두 보조신호의 크기에 의하여 구분되며, 보간신호로 구분 구간에 응답하여 발생되는 것을 특징으로 하는 자기식 회전센서.
  3. 제2항에 있어서, 어떤 기준치에 대하여 두 보조신호의 차의 절대치가 얻어지며, 절대치중 작은 값이 선택되며, 상기 구간내의 섹션은 선택된 절대치에 의하여 식별되고, 보간신호는 식별섹션에 응답하여 발생되는 것을 특징으로 하는 자기식 회전센서.
  4. 제2항에 있어서, 어떤 기준치에 대하여 두 보조신호의 차의 절대치가 얻어지며, 절대치중 작은 값이 선택되며, 보간신호는 미리 상기 신호처리장치에 포함된 테이블에 의해 수정함으로써 발생되며, 절대치에 대하여 인접하는 제1차위치 사이에서 보간하는 위치 데이터를 기억하는 것을 특징으로 하는 자기식 회전센서.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870000403A 1986-01-20 1987-01-20 자기식 회전센서 KR900007794B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP86-7942 1986-01-20
JP61007942A JPS62168019A (ja) 1986-01-20 1986-01-20 磁気式回転センサ

Publications (2)

Publication Number Publication Date
KR870007414A true KR870007414A (ko) 1987-08-19
KR900007794B1 KR900007794B1 (ko) 1990-10-20

Family

ID=11679557

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000403A KR900007794B1 (ko) 1986-01-20 1987-01-20 자기식 회전센서

Country Status (6)

Country Link
US (1) US4774464A (ko)
EP (1) EP0230287A3 (ko)
JP (1) JPS62168019A (ko)
KR (1) KR900007794B1 (ko)
CN (1) CN1004577B (ko)
CA (1) CA1263888A (ko)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63311119A (ja) * 1987-06-15 1988-12-19 Fanuc Ltd 絶対位置エンコ−ダ
JPS6474411A (en) * 1987-09-16 1989-03-20 Yamaha Corp Position detector
US4920341A (en) * 1988-03-08 1990-04-24 Alps Electric Co., Ltd. Magnetic rotary encoder device
JPH01297507A (ja) * 1988-05-26 1989-11-30 Hitachi Ltd 磁気的に位置や速度を検出する装置
JPH01318917A (ja) * 1988-06-20 1989-12-25 Shicoh Eng Co Ltd 磁気抵抗素子を用いた磁気エンコーダ
JP2660731B2 (ja) * 1988-11-18 1997-10-08 株式会社小松製作所 アブソリュート形ビットパターン付きロッド
US5029304A (en) * 1988-12-28 1991-07-02 Pitney Bowes Inc. Sensor with absolute digital output utilizing Hall Effect devices
JP2515891B2 (ja) * 1989-09-20 1996-07-10 株式会社日立製作所 角度センサ及びトルクセンサ、そのセンサの出力に応じて制御される電動パワ―ステアリング装置
CH681655A5 (ko) * 1989-12-06 1993-04-30 Baumer Electric Ag
DE4030450A1 (de) * 1990-09-26 1992-04-02 Siemens Ag Dreh- oder linearpositionsgeber
DE9110524U1 (de) * 1991-08-26 1992-09-24 Siemens AG, 8000 München Vorrichtung zur Winkellagebestimmung einer Lastwelle mit einem Meß- und einem Nachlaufzahnrad
EP0555961B1 (en) * 1992-02-13 1997-07-16 Japan Servo Co. Ltd. Absolute encoder
JP3007268B2 (ja) * 1994-06-16 2000-02-07 アンリツ株式会社 鋸歯状波発生装置及びそれを用いた信号補間装置
JPH08242391A (ja) * 1995-03-01 1996-09-17 Sanyo Electric Co Ltd 同期分離回路及びモニタ
JPH09273942A (ja) * 1996-02-05 1997-10-21 Aisin Seiki Co Ltd センサ出力補間方法
US6166655A (en) * 1998-10-14 2000-12-26 Chen; Hung-Chou Device and method for identifying magnetic induction coordinate
DE19849554C1 (de) * 1998-10-27 2000-03-02 Ruf Electronics Gmbh Verfahren und Vorrichtung zur Bestimmung der Absolutposition bei Weg- und Winkelgebern
US6424928B1 (en) 2000-06-15 2002-07-23 Eim Company, Inc. Absolute position detector interpreting abnormal states
US6577985B2 (en) 2000-12-07 2003-06-10 Eim Company, Inc. Scalable code absolute logic function (SCALF) encoder
TW540073B (en) 2001-10-19 2003-07-01 Viewmove Technologies Inc Electromagnetic mark device for a magnetism encoder
US6750784B2 (en) * 2001-11-20 2004-06-15 Eaton Corporation Method of linearizing a sine and cosine signal
JP2003270062A (ja) * 2002-03-13 2003-09-25 Koyo Seiko Co Ltd 回転角度検出装置、トルク検出装置及び舵取装置
JP2003341539A (ja) * 2002-05-23 2003-12-03 Koyo Seiko Co Ltd 電動パワーステアリング装置
JP2004061149A (ja) * 2002-07-25 2004-02-26 Hitachi Ltd トルクセンサ及びこれを用いた電動パワーステアリング装置
US6747448B2 (en) 2002-08-14 2004-06-08 Honeywell International Inc. Rotary position sensor methods and systems
US7233262B2 (en) * 2003-01-17 2007-06-19 Uchiyama Manufacturing Corp. Magnetizing jig
JP2005172721A (ja) * 2003-12-15 2005-06-30 Harmonic Drive Syst Ind Co Ltd アブソリュート磁気エンコーダ
DE102009049354A1 (de) * 2009-10-14 2011-04-21 Robert Bosch Gmbh Hydromaschine
CN102162741B (zh) * 2010-12-24 2013-04-17 上海交通大学 用于检测旋转机械运动状态的永磁旋转传感装置
WO2014136324A1 (ja) * 2013-03-06 2014-09-12 富士フイルム株式会社 レンズ装置及び可動光学素子の位置検出方法
TWI605191B (zh) 2014-11-11 2017-11-11 財團法人工業技術研究院 曲軸角控制方法及其系統

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410976A (en) * 1965-06-09 1968-11-12 Itek Corp Shaft angle encoder with phase detection
JPS54118259A (en) * 1978-03-06 1979-09-13 Nec Corp Angle detector
JPS5860215A (ja) * 1981-10-06 1983-04-09 Hitachi Ltd 位置検出付エンコ−ダ
US4616281A (en) * 1982-03-10 1986-10-07 Copal Company Limited Displacement detecting apparatus comprising magnetoresistive elements
JPS595914A (ja) * 1982-07-02 1984-01-12 Hitachi Ltd 磁気的に位置を検出する装置
DE3231990A1 (de) * 1982-08-27 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Auswerteeinrichtung fuer einen digitalen inkrementalgeber
JPS59108193A (ja) * 1982-12-13 1984-06-22 株式会社日立製作所 磁気的に位置を検出する装置
JPS59216899A (ja) * 1983-05-23 1984-12-06 Taiho Yakuhin Kogyo Kk ２′―デオキシ―５―トリフルオロメチルウリジン誘導体及びそれを含む抗腫瘍剤
DE3325353A1 (de) * 1983-07-14 1985-01-24 Honeywell Gmbh Positionssensor
JPS6055224A (ja) * 1983-09-06 1985-03-30 Matsushita Electric Ind Co Ltd 磁気エンコ−ダ
JPS6086412A (ja) * 1983-10-19 1985-05-16 Hitachi Ltd 磁気検出装置
JPS6145922A (ja) * 1984-08-10 1986-03-06 Hitachi Ltd 位置検出センサ
JPH0786406B2 (ja) * 1985-02-08 1995-09-20 株式会社日立製作所 クランク角センサ

Also Published As

Publication number Publication date
CN1004577B (zh) 1989-06-21
US4774464A (en) 1988-09-27
JPS62168019A (ja) 1987-07-24
CN87100356A (zh) 1987-07-29
EP0230287A3 (en) 1990-04-25
EP0230287A2 (en) 1987-07-29
CA1263888A (en) 1989-12-12
KR900007794B1 (ko) 1990-10-20

Similar Documents

Publication Publication Date Title
KR870007414A (ko) 자기식 회전센서
US4599561A (en) Device for detecting the relative and absolute position of a moving body
KR930001545B1 (ko) 회전 검출장치
KR840007285A (ko) 자기적(磁氣的)으로 위치를 검출하는 장치
KR870007029A (ko) 조타 핸들의 조작타각 검출장치를 가지는 파워 스티어링 제어장치
EP0094828A2 (en) Apparatus for indicating the position of a member
DE69838132D1 (de) Datenverarbeitungsvorrichtung
KR900001952A (ko) 터어빈 브레이드 진동 검출 시스템
KR880013015A (ko) 회전각도 검출방법 및 장치
KR890016541A (ko) 서보 장치
KR920017061A (ko) Cd 플레이어
JPS6238316A (ja) 絶対位置検出装置
KR830008297A (ko) 위치 검출 신호 발생기
KR890010881A (ko) 디지탈 신호 기록 장치 및 방법
KR890012307A (ko) 자기기록 및 플레이 백 장치
KR940022520A (ko) 편심량 측정 장치
JP3433606B2 (ja) 位置検出装置
KR840006718A (ko) 자기 재생장치의 서보회로
KR930022290A (ko) 광 디스크 장치
KR930008793A (ko) 기록 재생 장치
KR900018661A (ko) 터어빈 발전기 축 비틀림 감시장치
KR880013662A (ko) 로보트의 위치 검출방법
KR880003317A (ko) 디지탈신호 재생장치
KR890012273A (ko) 서보 회로
KR920700134A (ko) 차량의 후륜조향각 검출장치

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee