JP2002512687A - 指標パルス付磁気符号器 - Google Patents
指標パルス付磁気符号器Info
- Publication number
- JP2002512687A JP2002512687A JP54253498A JP54253498A JP2002512687A JP 2002512687 A JP2002512687 A JP 2002512687A JP 54253498 A JP54253498 A JP 54253498A JP 54253498 A JP54253498 A JP 54253498A JP 2002512687 A JP2002512687 A JP 2002512687A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- pole
- path
- track
- magnetic track
- 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.)
- Granted
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
- 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
- G01D5/2457—Incremental encoders having reference marks
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.磁気トラックを形成する経路に沿って一定間隔をあけた一連の磁極を備え 、前記磁極のうちのいくつかは磁気トラックの経路に関して一様に並べられた規 則的磁極接合部によって分離され、前記磁気的トラックは縁を有し、そして 前記磁極のうちの少なくとも二つは磁気トラックの縁に近い磁気センサが指標 信号を発生できる広幅磁極と狭幅磁極を検知するように規則的磁極接合部に関し て斜めにされた不規則な磁極接合部によって離されている磁気符号器。 2.前記規則的磁極接合部が前記磁気トラックの経路に直角であり、前記不規 則な磁極接合部が前記経路に対して垂直な線に対して角度をなしている直線によ って定められ、それによって台形で同様な大きさの二つの隣接磁極を形成してい る請求項1に記載の磁気符号器。 3.前記斜めの不規則な磁極接合部が磁気トラックの経路に直角な二つの平行 なセグメント及び二つの平行セグメントの間にずれができるように二つのセグメ ントの間にあって磁気トラックの経路にほぼ沿った方向を向いている段付き遷移 部を備えている請求項1に記載の磁気符号器。 4.前記規則的な磁極接合部が磁気トラックの経路に直角な二つの平行なセグ メント及び二つのセグメントの間にあって二つの平行セグメントの間に不規則な 磁極接合部のものと反対であるずれができるように磁気トラックの経路にほぼ沿 った方向を向いて方向を決められている段付き遷移部を備えている請求項1に記 載の磁気符号器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/837,231 US5898301A (en) | 1997-04-10 | 1997-04-10 | Magnetic encoder for producing an index signal |
US08/837,231 | 1997-04-10 | ||
PCT/IB1998/000529 WO1998045667A1 (en) | 1997-04-10 | 1998-04-08 | Magnetic encoder with an index pulse |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002512687A true JP2002512687A (ja) | 2002-04-23 |
JP4569979B2 JP4569979B2 (ja) | 2010-10-27 |
Family
ID=25273886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54253498A Expired - Lifetime JP4569979B2 (ja) | 1997-04-10 | 1998-04-08 | 指標パルス付磁気符号器 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5898301A (ja) |
EP (1) | EP0871014B1 (ja) |
JP (1) | JP4569979B2 (ja) |
KR (1) | KR100497467B1 (ja) |
AU (1) | AU724244B2 (ja) |
BR (1) | BR9808524B1 (ja) |
DE (1) | DE69815743T2 (ja) |
WO (1) | WO1998045667A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004271504A (ja) * | 2002-09-27 | 2004-09-30 | Snr Roulements | 角度的に配分された特異部を備える電子スイッチング・モータを制御する装置 |
JP2004271503A (ja) * | 2002-09-27 | 2004-09-30 | Snr Roulements | 電子スイッチング・モータを位置信号により制御する装置 |
JP2004271505A (ja) * | 2002-09-27 | 2004-09-30 | Snr Roulements | 不均等に分配された特異点を有するコーダを備える絶対角度センサ |
JP2009533688A (ja) * | 2006-04-10 | 2009-09-17 | ティムケン ユーエス コーポレーション | 回動デバイス位置検知システムおよび方法 |
WO2010092799A1 (ja) | 2009-02-10 | 2010-08-19 | Ntn株式会社 | 磁気エンコーダの着磁方法および着磁装置 |
WO2011152266A1 (ja) | 2010-06-03 | 2011-12-08 | Ntn株式会社 | 磁気エンコーダ |
KR101127340B1 (ko) | 2005-01-12 | 2012-03-29 | 일렉트릭필 오토모티브 | 언밸런스 주기적 비율을 가진 위치 센서 |
Families Citing this family (39)
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FR2769088B1 (fr) * | 1997-09-26 | 1999-12-03 | Roulements Soc Nouvelle | Capteur digital de position relative |
DE19855358A1 (de) * | 1998-12-01 | 2000-06-08 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Ermittlung einer Wegstrecke |
JP2001012967A (ja) * | 1999-04-28 | 2001-01-19 | Asahi Optical Co Ltd | エンコーダおよび磁気式エンコーダを搭載した測量機 |
JP2003509999A (ja) | 1999-09-17 | 2003-03-11 | デルファイ・テクノロジーズ・インコーポレーテッド | 電動パワーステアリングシステム用のインデックスパルスを確実に生成するための方法及び装置 |
US6653829B1 (en) | 1999-09-17 | 2003-11-25 | Delphi Technologies, Inc. | Low cost approach to measuring high resolution rotary position of electric machines |
US6486658B2 (en) | 2000-02-16 | 2002-11-26 | Delphi Technologies, Inc. | Encoder for a permanent magnet sinusoidal brushless motor in an electric power steering system |
US6460649B2 (en) | 2001-02-16 | 2002-10-08 | Delphi Technologies, Inc. | Passive starting of a torque-ripple-free electric power steering system |
EP1612564A3 (en) * | 2001-09-11 | 2009-12-09 | JTEKT Corporation | Magnetic pulser ring |
FR2830139B1 (fr) * | 2001-09-26 | 2004-08-27 | Roulements Soc Nouvelle | Dispositif a commutation electronique commande par impulsions |
FR2830140B1 (fr) | 2001-09-26 | 2004-08-27 | Roulements Soc Nouvelle | Dispositif de commande d'un moteur a commutation electronique |
FR2829986B1 (fr) | 2001-09-26 | 2003-12-26 | Roulements Soc Nouvelle | Systeme de direction assistee electrique commande par impulsions |
EP1435090A2 (en) | 2001-10-01 | 2004-07-07 | Delphi Technologies, Inc. | Method and apparatus for calibrating and initializing an electronically commutated motor |
US6771063B2 (en) | 2001-11-15 | 2004-08-03 | Honeywell International Inc. | Methods and systems for improving the duty cycle output of a vehicle speed sensor circuit |
ITTO20030024A1 (it) * | 2003-01-20 | 2004-07-21 | Rft Spa | Dispositivo di comando a ruota fonica |
JP2004364354A (ja) * | 2003-06-02 | 2004-12-24 | Mitsumi Electric Co Ltd | ディスクのインデックス信号生成方法及びディスクドライブ装置 |
FR2862382B1 (fr) * | 2003-11-18 | 2006-06-02 | Roulements Soc Nouvelle | Systeme capteur de couple absolu de torsion et module le comprenant |
FR2862752B1 (fr) * | 2003-11-21 | 2006-02-17 | Roulements Soc Nouvelle | Systeme et procede de determination d'au moins un parametre d'au moins un organe tournant au moyen d'un signal de position absolue |
FR2875297B1 (fr) * | 2004-09-13 | 2007-02-09 | Sc2N Sa | Capteur d'angle intelligent pour systeme de retour automatique d'indicateur de changement de direction |
FR2886077B1 (fr) * | 2005-05-19 | 2007-08-03 | Snr Roulements Sa | Procede de discrimination d'une impulsion de reference |
GB0512045D0 (en) * | 2005-06-14 | 2005-07-20 | Equipmake Ltd | Rotation sensing |
EP2574882A1 (en) * | 2006-01-12 | 2013-04-03 | Timken US Corporation | Magnetic sensor with high and low resolution tracks |
WO2009055285A2 (en) * | 2007-10-22 | 2009-04-30 | The Timken Company | Absolute position magnetic encoder with binary and decimal output |
FR2937127B1 (fr) * | 2008-10-10 | 2010-12-31 | Valeo Equip Electr Moteur | Dispositif magnetique de determination de position angulaire produisant un signal sinusoidal et machine electrique tournante polyphasee comprenant un tel dispositif. |
US10704925B2 (en) * | 2009-01-12 | 2020-07-07 | Infineon Technologies Ag | Sensor and method for determining angular position including measuring magnetic field lines at a distance greater than the inner radius and less than the outer radius of a ring magnet, and at a distance greater than the outer radius or less than the inner radius |
US8823365B2 (en) * | 2009-04-06 | 2014-09-02 | The Timken Company | Sensor assembly |
CN101931414B (zh) * | 2009-06-19 | 2013-04-24 | 华为技术有限公司 | 脉冲编码方法及装置、脉冲解码方法及装置 |
US8384377B2 (en) * | 2009-10-30 | 2013-02-26 | Honeywell International Inc. | Self-powered magnetic tachometer for supplying a signal representative of rotational rate and absolute position |
DE102010029640B4 (de) * | 2010-06-02 | 2016-12-29 | Vs Sensorik Gmbh | Drehgeberzahnvorrichtung |
DE102010050026B4 (de) * | 2010-11-02 | 2021-05-06 | Ic-Haus Gmbh | Magnetisch abtastende Positionsmessvorrichtung |
EP2839247B1 (en) | 2012-04-20 | 2016-11-09 | The Timken Company | Magnetic encoder for producing an index signal |
US20190390978A1 (en) * | 2013-09-04 | 2019-12-26 | Bogen Electronic Gmbh | Using Inclination Angles of Marker Stripes on a Scale Band to Measure a Position |
US10277084B1 (en) | 2016-10-19 | 2019-04-30 | Waymo Llc | Planar rotary transformer |
US10530209B2 (en) * | 2016-10-28 | 2020-01-07 | Waymo Llc | Devices and methods for driving a rotary platform |
US11162815B2 (en) * | 2018-09-14 | 2021-11-02 | Allegro Microsystems, Llc | Angular magnetic field sensor and rotating target with stray field immunity |
KR20200082782A (ko) | 2018-12-31 | 2020-07-08 | 우송대학교 산학협력단 | 인덱스 펄스를 이용한 정밀성 향상용 홀센서 장치 |
KR102342745B1 (ko) | 2019-11-25 | 2021-12-28 | 황재용 | 자율 주행차량용 고정밀 휠속도 센서 장치 |
GB2592612B (en) | 2020-03-03 | 2024-05-01 | Zf Automotive Uk Ltd | A magnetic encoder |
GB2592611A (en) | 2020-03-03 | 2021-09-08 | Zf Automotive Uk Ltd | A magnetic encoder |
KR20210132929A (ko) | 2020-04-28 | 2021-11-05 | 주식회사 네모블루 | 휠 베어링 예측진단 알고리즘을 적용한 임베디드 시스템 |
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- 1997-04-10 US US08/837,231 patent/US5898301A/en not_active Expired - Lifetime
-
1998
- 1998-04-08 JP JP54253498A patent/JP4569979B2/ja not_active Expired - Lifetime
- 1998-04-08 BR BRPI9808524-7A patent/BR9808524B1/pt not_active IP Right Cessation
- 1998-04-08 AU AU65141/98A patent/AU724244B2/en not_active Ceased
- 1998-04-08 WO PCT/IB1998/000529 patent/WO1998045667A1/en active IP Right Grant
- 1998-04-08 KR KR10-1999-7009150A patent/KR100497467B1/ko not_active IP Right Cessation
- 1998-04-10 DE DE69815743T patent/DE69815743T2/de not_active Expired - Lifetime
- 1998-04-10 EP EP98400901A patent/EP0871014B1/fr not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004271504A (ja) * | 2002-09-27 | 2004-09-30 | Snr Roulements | 角度的に配分された特異部を備える電子スイッチング・モータを制御する装置 |
JP2004271503A (ja) * | 2002-09-27 | 2004-09-30 | Snr Roulements | 電子スイッチング・モータを位置信号により制御する装置 |
JP2004271505A (ja) * | 2002-09-27 | 2004-09-30 | Snr Roulements | 不均等に分配された特異点を有するコーダを備える絶対角度センサ |
KR101127340B1 (ko) | 2005-01-12 | 2012-03-29 | 일렉트릭필 오토모티브 | 언밸런스 주기적 비율을 가진 위치 센서 |
JP2009533688A (ja) * | 2006-04-10 | 2009-09-17 | ティムケン ユーエス コーポレーション | 回動デバイス位置検知システムおよび方法 |
WO2010092799A1 (ja) | 2009-02-10 | 2010-08-19 | Ntn株式会社 | 磁気エンコーダの着磁方法および着磁装置 |
US8436705B2 (en) | 2009-02-10 | 2013-05-07 | Ntn Corporation | Method of magnetizing magnetic encoder and magnetizing apparatus |
WO2011152266A1 (ja) | 2010-06-03 | 2011-12-08 | Ntn株式会社 | 磁気エンコーダ |
JP2011252826A (ja) * | 2010-06-03 | 2011-12-15 | Ntn Corp | 磁気エンコーダ |
US9250102B2 (en) | 2010-06-03 | 2016-02-02 | Ntn Corporation | Magnetic encoder |
Also Published As
Publication number | Publication date |
---|---|
AU724244B2 (en) | 2000-09-14 |
BR9808524B1 (pt) | 2009-01-13 |
EP0871014A1 (fr) | 1998-10-14 |
DE69815743T2 (de) | 2004-04-08 |
US5898301A (en) | 1999-04-27 |
EP0871014B1 (fr) | 2003-06-25 |
KR20010006072A (ko) | 2001-01-15 |
BR9808524A (pt) | 2000-05-23 |
JP4569979B2 (ja) | 2010-10-27 |
KR100497467B1 (ko) | 2005-07-01 |
AU6514198A (en) | 1998-10-30 |
DE69815743D1 (de) | 2003-07-31 |
WO1998045667A1 (en) | 1998-10-15 |
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