ATE305129T1 - Bürstenloser elektrischer motor mit zwei senkrechten hall wandlern - Google Patents

Bürstenloser elektrischer motor mit zwei senkrechten hall wandlern

Info

Publication number
ATE305129T1
ATE305129T1 AT99934144T AT99934144T ATE305129T1 AT E305129 T1 ATE305129 T1 AT E305129T1 AT 99934144 T AT99934144 T AT 99934144T AT 99934144 T AT99934144 T AT 99934144T AT E305129 T1 ATE305129 T1 AT E305129T1
Authority
AT
Austria
Prior art keywords
hall effect
sense ring
effect sensors
electric motor
rotor position
Prior art date
Application number
AT99934144T
Other languages
English (en)
Inventor
Jon F Lutz
Original Assignee
Uqm Tech Inc
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 Uqm Tech Inc filed Critical Uqm Tech Inc
Application granted granted Critical
Publication of ATE305129T1 publication Critical patent/ATE305129T1/de

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
    • G01D5/2451—Incremental encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Brushless Motors (AREA)
  • Rotational Drive Of Disk (AREA)
AT99934144T 1998-07-20 1999-07-20 Bürstenloser elektrischer motor mit zwei senkrechten hall wandlern ATE305129T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/118,980 US6522130B1 (en) 1998-07-20 1998-07-20 Accurate rotor position sensor and method using magnet and sensors mounted adjacent to the magnet and motor
PCT/US1999/016344 WO2000004339A1 (en) 1998-07-20 1999-07-20 Accurate rotor position sensor, method using magnet ring and linear output hall effect sensors

Publications (1)

Publication Number Publication Date
ATE305129T1 true ATE305129T1 (de) 2005-10-15

Family

ID=22381929

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99934144T ATE305129T1 (de) 1998-07-20 1999-07-20 Bürstenloser elektrischer motor mit zwei senkrechten hall wandlern

Country Status (8)

Country Link
US (2) US6522130B1 (de)
EP (1) EP1099092B1 (de)
AT (1) ATE305129T1 (de)
AU (1) AU5003899A (de)
CA (1) CA2337920C (de)
DE (1) DE69927385T2 (de)
TW (1) TW547629U (de)
WO (1) WO2000004339A1 (de)

Families Citing this family (108)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806223B1 (fr) * 2000-03-10 2003-10-03 Valeo Equip Electr Moteur Machine electrique tournante polyphasee
EP1243897B1 (de) * 2001-03-23 2013-12-18 Melexis Technologies NV Magnetischer Weggeber
JP3690338B2 (ja) * 2001-11-16 2005-08-31 松下電器産業株式会社 モータ制御装置
JP2004012299A (ja) * 2002-06-06 2004-01-15 Nippon Soken Inc 同期回転機用回転角度検出装置
JP4118755B2 (ja) 2003-01-14 2008-07-16 株式会社日本自動車部品総合研究所 回転角センサ及びこの回転角センサを具備した回転角検出装置
US20040217758A1 (en) * 2003-05-02 2004-11-04 Leonard John R. Electromagnetic shaft position sensor and method
US6847177B1 (en) * 2003-08-26 2005-01-25 Trw Automotive U.S. Llc Apparatus and method for determining rotor lamination shifts in an electric motor
US20050113216A1 (en) * 2003-10-07 2005-05-26 Wei Cheng Belt drive system with outer rotor motor
US7375488B2 (en) * 2003-11-04 2008-05-20 Dynamoters, Inc. Brushless repulsion motor speed control system
US7053586B2 (en) * 2003-11-04 2006-05-30 Dynamotors, Inc. Brushless repulsion motor speed control system
US6992478B2 (en) 2003-12-22 2006-01-31 Cts Corporation Combination hall effect position sensor and switch
US20050151534A1 (en) * 2004-01-08 2005-07-14 Omekanda Avoki M. System and method for sensing angular position using ring magnet with sensor in flux return path
GB2413905B (en) * 2004-05-05 2006-05-03 Imra Europ S A S Uk Res Ct Permanent magnet synchronous motor and controller therefor
US7095193B2 (en) * 2004-05-19 2006-08-22 Hr Textron, Inc. Brushless DC motors with remote Hall sensing and methods of making the same
JP4039436B2 (ja) * 2004-08-06 2008-01-30 株式会社デンソー 回転角検出装置
KR100604894B1 (ko) * 2004-08-21 2006-07-28 삼성전자주식회사 반도체 제조설비의 회전운동장치
US7187305B2 (en) * 2004-09-21 2007-03-06 Kollmorgen Corporation Encoder for a motor controller
JP2006112879A (ja) * 2004-10-14 2006-04-27 Yamaha Motor Co Ltd 相対位置検出装置及び鞍乗り型車両
US7866302B2 (en) * 2004-10-25 2011-01-11 Litens Automotive Partnership Method and system for starting or restarting an internal combustion engine via selective combustion
US7558669B2 (en) * 2004-10-25 2009-07-07 Litens Automotive Partnership Engine controller system and method employing high speed angular position sensor
US7173412B2 (en) * 2004-11-30 2007-02-06 Honeywell International Inc. Quadrature sensor systems and methods
JP4592435B2 (ja) * 2005-02-01 2010-12-01 日本電産サンキョー株式会社 エンコーダ付き小型モータ
US7586660B2 (en) * 2005-03-18 2009-09-08 Ricoh Company, Ltd. DC brushless motor, light deflector optical scanning device, having an increased efficiency to reduce power consumption and heat generation using exactly six poles and stator with nine teeth and corresponding coils
US7365503B2 (en) * 2005-06-09 2008-04-29 Ford Motor Company Hall Effect sensor temperature compensator
US7166984B1 (en) * 2005-11-07 2007-01-23 Dynamotors, Inc. Signaling and reduced torque ripple in brushless repulsion motors
US7402929B1 (en) * 2005-11-23 2008-07-22 Monte Dilliner Magnetic motor with magnet assemblies
EP1955430B1 (de) * 2005-12-01 2012-05-23 ebm-papst St. Georgen GmbH & Co. KG Elektromotor
DE102005062784A1 (de) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Magnet-Baueinheit zur Befestigung auf einer Welle
CN1333518C (zh) * 2005-12-30 2007-08-22 上海新时达电气有限公司 测量永磁同步电机的初始转子位置方法
KR100856489B1 (ko) 2006-01-10 2008-09-04 주식회사 경동네트웍 정밀한 압력센서
KR100660564B1 (ko) * 2006-01-10 2006-12-22 주식회사 경동네트웍 선형 자속밀도를 갖는 자석
US7677108B2 (en) * 2006-01-10 2010-03-16 Kyungdong Network Co., Ltd. Accurate pressure sensor
US7579799B2 (en) * 2006-01-17 2009-08-25 Raytheon Company System and method for determining angular position and controlling rotor orientation
FR2898189B1 (fr) 2006-03-02 2008-10-17 Moving Magnet Tech Capteur de position a direction d'aimantation variable et procede de realisation
US7728583B2 (en) * 2006-07-06 2010-06-01 General Electric Company Apparatus for monitoring rotary machines
US8004135B2 (en) * 2007-01-22 2011-08-23 Nidec Motor Corporation Electric motor and controller assembly with integrated sensor device
WO2008116258A1 (en) * 2007-03-27 2008-10-02 Randotor Australia Pty Limited Magnetic motor
DE112007003466B4 (de) * 2007-04-24 2014-12-11 Harmonic Drive Systems Inc. Verfahren des Erfassens einer absoluten Rotationsposition
DE102007024249A1 (de) * 2007-05-18 2008-12-11 CoActive Technologies, Inc., Greenwich Vorrichtung zum Erfassen eines Stellwinkels eines um eine Achse drehbaren Elementes
DE112007003522T5 (de) * 2007-05-30 2010-04-15 Harmonic Drive Systems Inc. Drehstellungs-Detektionsverfahren für einen Wechselstrom-Servomotor und einfacher Kodierer
WO2009003193A1 (en) * 2007-06-27 2008-12-31 Brooks Automation, Inc. Position feedback for self bearing motor
WO2009003195A1 (en) 2007-06-27 2008-12-31 Brooks Automation, Inc. Motor stator with lift capability and reduced cogging characteristics
US9752615B2 (en) * 2007-06-27 2017-09-05 Brooks Automation, Inc. Reduced-complexity self-bearing brushless DC motor
US8283813B2 (en) * 2007-06-27 2012-10-09 Brooks Automation, Inc. Robot drive with magnetic spindle bearings
KR101660894B1 (ko) 2007-06-27 2016-10-10 브룩스 오토메이션 인코퍼레이티드 다차원 위치 센서
US8823294B2 (en) 2007-06-27 2014-09-02 Brooks Automation, Inc. Commutation of an electromagnetic propulsion and guidance system
KR101825595B1 (ko) 2007-07-17 2018-02-05 브룩스 오토메이션 인코퍼레이티드 챔버 벽들에 일체화된 모터들을 갖는 기판 처리 장치
FR2926881B1 (fr) * 2008-01-25 2010-12-10 Continental Automotive France Determination de la position d'un element magnetique par rapport a un reseau de capteurs a effet hall lineaires
US7911174B1 (en) * 2008-02-28 2011-03-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Position sensing for rotor in hybrid stepper motor
US7791232B2 (en) * 2008-05-02 2010-09-07 Black & Decker Inc. Power tool having an electronically commutated motor and double insulation
US8400096B2 (en) 2008-06-20 2013-03-19 Harmonic Drive Systems Inc. Magnetic encoder and actuator
JP2010093905A (ja) * 2008-10-06 2010-04-22 Sanyo Denki Co Ltd ブラシレスモータ用ステータ
US20100213778A1 (en) * 2009-02-24 2010-08-26 Knutson Roger C Magnetic Motor With Associated Alternator
US8853983B2 (en) * 2009-05-06 2014-10-07 Aktiebolaget Skf Rotary position encoding method and unit
US8217601B2 (en) * 2009-07-29 2012-07-10 Parker-Hannifin Corporation Robust rotational position alignment using a relative position encoder
US8159095B2 (en) * 2009-09-14 2012-04-17 Hiwin Mikrosystem Corp. Hiding structure for positioning signal conversion mechanism of a torque motor
EP2354769B1 (de) * 2010-02-03 2015-04-01 Micronas GmbH Winkelgeber und Verfahren zur Bestimmung eines Winkels zwischen einer Sensoranordnung und einem Magnetfeld
DE102010019485B4 (de) 2010-05-05 2012-10-31 Austriamicrosystems Ag Sensoranordnung und Verfahren zum Betreiben einer Sensoranordnung
DE102010019484B9 (de) * 2010-05-05 2012-12-06 Austriamicrosystems Ag Sensoranordnung und Verfahren zum Betreiben einer Sensoranordnung
CN201774430U (zh) * 2010-07-29 2011-03-23 中山大洋电机制造有限公司 一种新型电机机构
AT510377B1 (de) 2010-09-14 2014-06-15 Zentr Mikroelekt Dresden Gmbh Verfahren und ausführungsformen zur absoluten positionsbestimmung mittels zweier hallsensoren
CN201830125U (zh) * 2010-10-30 2011-05-11 中山大洋电机股份有限公司 一种霍尔元件感应的直流无刷电机结构
JP5472045B2 (ja) * 2010-11-08 2014-04-16 株式会社安川電機 エンコーダ付モータ及びモータ用エンコーダ
WO2012094610A2 (en) 2011-01-07 2012-07-12 Woodward Mpc, Inc. Method and apparatus for a half-bridge variable differential transformer position sensing system
US9041387B2 (en) * 2011-03-01 2015-05-26 Perry A. Holman, Jr. 360-degree angle sensor
JP2012189377A (ja) 2011-03-09 2012-10-04 Jtekt Corp 回転角検出装置
US20120242329A1 (en) * 2011-03-22 2012-09-27 Shou-Yu Chu Detection module of rotation spindle
SE1130047A1 (sv) * 2011-05-22 2012-11-20 Johan Linder Motorenhet innefattande en borstlös DC-motor med styrelektronik
US9300194B2 (en) 2011-11-09 2016-03-29 Hamilton Sundstrand Corporation Electromagnetic device
DE102012203158A1 (de) 2012-02-29 2013-08-29 Zentrum Mikroelektronik Dresden Ag Vorrichtung und Verfahren zur absoluten Winkelpositionsbestimmung eines drehbaren Körpers mittels zweier normal zur Drehachse angebrachter Sensoren
US8922144B2 (en) 2012-06-25 2014-12-30 Chrysler Group Llc Method of processing sensor signals for determining motion of a motor shaft
JP5747887B2 (ja) * 2012-09-25 2015-07-15 株式会社安川電機 回転電機
US10821591B2 (en) 2012-11-13 2020-11-03 Milwaukee Electric Tool Corporation High-power cordless, hand-held power tool including a brushless direct current motor
TWI485972B (zh) 2013-01-31 2015-05-21 Rhymebus Corp 馬達轉子角度偵測模組及其方法
JP2014163816A (ja) * 2013-02-26 2014-09-08 Seiko Epson Corp 磁気式エンコーダー、ロボット及び移動体
WO2015009387A1 (en) 2013-07-14 2015-01-22 Radiancy Inc. Motion sensor
FR3018014B1 (fr) * 2014-02-24 2016-03-25 Lohr Electromecanique Machine synchrone equipee d'un capteur de position angulaire
FR3019697B1 (fr) * 2014-04-04 2017-11-03 Valeo Equip Electr Moteur Machine electrique tournante munie de moyens de suivi ameliores de la position angulaire du rotor, moyens de suivi de position et ensemble de transmission correspondants
WO2016044838A1 (en) * 2014-09-19 2016-03-24 Flow Control Llc. Automatic fill control technique
EP3207338A1 (de) 2014-10-13 2017-08-23 Robert Bosch GmbH Vorrichtung und verfahren zur definition und identifikation der absoluten mechanischen position für ein rotierendes element
US10348225B2 (en) * 2015-07-22 2019-07-09 Cepheid Encoderless motor with improved granularity and methods of use
CN108474669B (zh) 2015-11-02 2021-05-11 霍尼韦尔国际公司 用于amr360度传感器的差分霍尔磁体极性检测
PL3171137T3 (pl) * 2015-11-23 2018-09-28 Baumer Hübner GmbH Układ enkodera obrotowego
CN105490596B (zh) * 2016-02-01 2017-12-08 重庆理工大学 一种永磁交流伺服电机的嵌入式位置检测系统
WO2017199063A1 (en) * 2016-05-17 2017-11-23 Kongsberg Inc. System, method and object for high accuracy magnetic position sensing
TWI640752B (zh) 2016-11-30 2018-11-11 財團法人工業技術研究院 旋轉感測裝置及旋轉感測方法
US11486776B2 (en) 2016-12-12 2022-11-01 Kongsberg Inc. Dual-band magnetoelastic torque sensor
US10848042B2 (en) 2017-02-13 2020-11-24 Milwaukee Electric Tool Corporation Brushless direct current motor for power tools
US10270379B2 (en) 2017-06-14 2019-04-23 Software Motor Company Method and apparatus for quasi-sensorless adaptive control of switched reluctance motor drives
JP2019020265A (ja) * 2017-07-18 2019-02-07 株式会社デンソー 回転検出装置
WO2019038849A1 (ja) * 2017-08-23 2019-02-28 三菱電機株式会社 電動駆動装置
JP7193635B2 (ja) * 2018-12-06 2022-12-20 株式会社ハーモニック・ドライブ・システムズ デュアルアブソリュートエンコーダ
DE102018221317A1 (de) * 2018-12-10 2020-06-10 Zf Friedrichshafen Ag Induktive Drehwinkelerfassung
US10983019B2 (en) 2019-01-10 2021-04-20 Ka Group Ag Magnetoelastic type torque sensor with temperature dependent error compensation
JP2020171084A (ja) * 2019-04-01 2020-10-15 パナソニックＩｐマネジメント株式会社 モータ
CN110417191B (zh) * 2019-07-24 2024-06-18 桂林智神信息技术股份有限公司 获取辅助拍摄设备用电机的机械位置的方法及装置
US20210070361A1 (en) * 2019-09-06 2021-03-11 Sensata Technologies, Inc. Steer by wire system with redundant angular position sensing and an end-of-travel stop
KR20220148179A (ko) 2020-01-29 2022-11-04 세페이드 앱솔루트 인코더를 구비한 통합식 액츄에이터를 구비한 모터 및 이용 방법
US11411516B2 (en) 2020-03-04 2022-08-09 Ford Global Technologies, Llc Detection and control of electric machine with any combination of position sensor number of pole pairs and electric machine number of pole pairs
JP2021143910A (ja) * 2020-03-11 2021-09-24 株式会社デンソー 回転角度検出装置
WO2021216960A1 (en) * 2020-04-24 2021-10-28 Veritium Research LLC Electric motor with passive and active magnetic bearings
US11519757B2 (en) * 2020-06-11 2022-12-06 Honeywell International Inc. System and method for determining angular position in rotating machines
US20220099463A1 (en) * 2020-09-30 2022-03-31 Rockwell Automation Technologies, Inc. System and Method for Contact-less Multi-Turn Absolute Position Sensing
EP4009003B1 (de) * 2020-12-02 2024-05-29 NM Numerical Modelling GmbH Sensorsystem und verfahren zum messen einer verfahrensgrösse von einem physikalischen system
EP4016008A1 (de) 2020-12-17 2022-06-22 Renesas Electronics America Inc. Positionssensor mit verbesserter magnetischer streufeldimmunität
KR20220126501A (ko) * 2021-03-09 2022-09-16 엘지이노텍 주식회사 모터
GB2613340A (en) * 2021-11-26 2023-06-07 Paragraf Ltd Graphene based rotational transducer and torque sensor
CN114979401B (zh) * 2022-06-16 2023-04-07 中国科学院长春光学精密机械与物理研究所 一种开环扫描机构及控制方法

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086519A (en) 1977-02-25 1978-04-25 Electro-Craft Corporation Hall effect shaft angle position encoder
JPS5466410A (en) * 1977-11-04 1979-05-29 Sony Corp Brushless dc motor
JPS562566A (en) 1979-06-20 1981-01-12 Stanley Electric Co Ltd Detecting method for rotation of motor
DE3111387A1 (de) 1981-03-23 1983-04-28 Papst-Motoren GmbH & Co KG, 7742 St Georgen Verfahren zum abgleich eines kollektorlosen gleichstrommotors und vorrichtung zur durchfuehrung dieses verfahrens
FR2565045B1 (fr) 1984-05-22 1988-02-26 Sfena Dispositif pour la detection de la position angulaire du rotor d'une machine electrique tournante a commutation electronique
JPS6244056A (ja) * 1985-08-20 1987-02-26 Kiyonori Fujisaki 直流モ−タ
JPS63136945A (ja) 1986-11-27 1988-06-09 Toshiba Corp 空気調和機の送風機用モータ
US4785242A (en) 1986-12-15 1988-11-15 Sundstrand Corporation Position detecting apparatus using multiple magnetic sensors for determining relative and absolute angular position
US4866382A (en) 1987-11-04 1989-09-12 Superior Electric Company Magnetic rotary encoder system having a multi-element magnetoresistive sensor
AU3693589A (en) 1988-05-25 1989-12-12 Cadac Holdings Limited Rotor position sensing
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
JPH0287959A (ja) 1988-09-22 1990-03-28 Mitsubishi Electric Corp ブラシレスモータ
JPH02278175A (ja) * 1989-04-19 1990-11-14 Zexel Corp 磁気センサ
US5677605A (en) 1989-08-22 1997-10-14 Unique Mobility, Inc. Brushless DC motor using phase timing advancement
DE3930958A1 (de) 1989-09-16 1991-03-28 Pfeiffer Vakuumtechnik Positionssensor
US5095238A (en) 1990-04-03 1992-03-10 Minebea Co., Ltd. Brushless dc motor and rotor magnet
FR2670286B1 (fr) 1990-12-05 1993-03-26 Moving Magnet Tech Capteur magnetique de position et de vitesse a sonde de hall.
US5789917A (en) 1990-12-05 1998-08-04 Moving Magnet Technologie Sa Magnetic position sensor with hall probe formed in an air gap of a stator
FR2715726B1 (fr) 1994-02-01 1996-10-18 Moving Magnet Tech Capteur magnétique de position à sonde de Hall.
DE4120023C1 (de) 1991-06-18 1992-08-13 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
US5148070A (en) * 1991-08-30 1992-09-15 Platt Saco Lowell Corporation Apparatus for commutation of an electric motor
US5367257A (en) * 1992-05-14 1994-11-22 Garshelis Ivan J Non-contact, magnetic sensor for determining direction of motion and velocity of a movable member
US5325005A (en) 1992-06-03 1994-06-28 Alliedsignal Inc. Motor commutation
US5341097A (en) * 1992-09-29 1994-08-23 Honeywell Inc. Asymmetrical magnetic position detector
US5323075A (en) 1992-11-20 1994-06-21 Alliedsignal Inc. Hall effect sensors embedded within two-pole toothless stator assembly
US5444369A (en) * 1993-02-18 1995-08-22 Kearney-National, Inc. Magnetic rotational position sensor with improved output linearity
DE4333079C2 (de) * 1993-09-29 1997-05-28 Ebe Elektro Bau Elemente Gmbh Rastwerk mit magnetischer Verrastung
JP3387173B2 (ja) * 1993-10-27 2003-03-17 ソニー株式会社 電磁駆動装置
US5633546A (en) 1993-12-30 1997-05-27 Emerson Electric Co. Magnetic sensor for switched reluctance motor
US5545985A (en) 1994-03-16 1996-08-13 Campbell; Peter Magnetoresistive position sensor including an encoder wherein the magnetization extends greater than 0.5 times the pole pitch below the surface
DE4420214C2 (de) 1994-06-06 2000-03-23 Siemens Ag Zugbeeinflussungseinrichtung
DE4433079A1 (de) 1994-09-16 1996-03-28 Kuegler Jost Ulrich Dipl Ing Verfahren zur Abdichtung von Bodenformationen
DE4440214C2 (de) * 1994-11-10 1997-08-14 Itt Ind Gmbh Deutsche Drehgeber mit Hallsensoren
US5757180A (en) * 1994-11-29 1998-05-26 Industrial Technology Research Institute Disk type of absolute-position magnetic encoder for rotary devices
DE19630764A1 (de) * 1995-09-29 1997-04-03 Bosch Gmbh Robert Meßvorrichtung zur berührungslosen Erfassung einer Relativbewegung
US5686770A (en) 1995-11-03 1997-11-11 Kabushiki Kaisha Sankyo Seiki Seisakusho Position detector of a brushless motor
US5701552A (en) * 1996-06-07 1997-12-23 Eastman Kodak Company Electrographic printer comprising a magnetic brush and a hall effect magnetic sensor

Also Published As

Publication number Publication date
US6522130B1 (en) 2003-02-18
EP1099092A1 (de) 2001-05-16
CA2337920C (en) 2006-10-10
TW547629U (en) 2003-08-11
US6693422B2 (en) 2004-02-17
EP1099092A4 (de) 2001-09-26
DE69927385D1 (de) 2006-02-02
US20030128026A1 (en) 2003-07-10
EP1099092B1 (de) 2005-09-21
CA2337920A1 (en) 2000-01-27
AU5003899A (en) 2000-02-07
WO2000004339A1 (en) 2000-01-27
DE69927385T2 (de) 2006-06-22

Similar Documents

Publication Publication Date Title
ATE305129T1 (de) Bürstenloser elektrischer motor mit zwei senkrechten hall wandlern
JPS5953503B2 (ja) 回転検出装置
WO2001020342A3 (en) Tachometer apparatus and method for motor velocity measurement
DE59604662D1 (de) Elektronisch kommutierter Aussenläufermotor
ATE227849T1 (de) Aktiver magnetodynamischer drehgeschwindigkeitsmessaufnehmer
DE60229613D1 (de) Verfahren zur Motorgeschwindigkeitsmessung
CN108427011A (zh) 一种高精度飞轮电机测速装置
US4689532A (en) Ferritic sensor, self-controlled synchronous motor
US20020059038A1 (en) Index position detector for spindle motor and motor apparatus including the same
MY128316A (en) Eddy current measuring device
KR100425012B1 (ko) 브러시리스 직류전동기의 회전자 위치 검출 장치
KR200245261Y1 (ko) 차량용 자기유도 속도센서
JPS6016378Y2 (ja) ミシンの速度および位置検出装置
JPS6453114A (en) Multiple rotation detecting device
JPS61247288A (ja) ブラシレスモ−タ
RU38951U1 (ru) Датчик частоты вращения
JPS5839257A (ja) 回転速度検出装置
SU972634A1 (ru) Вентильный электродвигатель
JPS598199Y2 (ja) ピツクアツプコイル
JP2004177391A (ja) ロータリエンコーダ
MXPA01000770A (en) Accurate rotor position sensor, method using magnet ring and linear output hall effect sensors
JPS5443510A (en) Detecting rotor position in brushless motor
KR870001696A (ko) 모 터
JPH0373862A (ja) 回転検出装置
JPH07194062A (ja) アウタ−ロ−タ形回転電機の回転速度計測方法とこの計測方法を適用したアウタ−ロ−タ形回転電機

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties