ES2048294T3 - Circuito de procesamiento para transductor de reluctancia variable. - Google Patents

Circuito de procesamiento para transductor de reluctancia variable.

Info

Publication number
ES2048294T3
ES2048294T3 ES89310157T ES89310157T ES2048294T3 ES 2048294 T3 ES2048294 T3 ES 2048294T3 ES 89310157 T ES89310157 T ES 89310157T ES 89310157 T ES89310157 T ES 89310157T ES 2048294 T3 ES2048294 T3 ES 2048294T3
Authority
ES
Spain
Prior art keywords
signal
transducer
output signal
low frequency
processing circuit
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.)
Expired - Lifetime
Application number
ES89310157T
Other languages
English (en)
Inventor
Karl Edwards
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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
Priority claimed from GB888823501A external-priority patent/GB8823501D0/en
Priority claimed from GB898903984A external-priority patent/GB8903984D0/en
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Application granted granted Critical
Publication of ES2048294T3 publication Critical patent/ES2048294T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Regulating Braking Force (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

UN CIRCUITO PARA PROCESAMIENTO DE UNA SEÑAL DE SALIDA DESDE UN TRANSDUCTOR DE RESISTENCIA VARIABLE, ESTA SEÑAL VARIA EN ALTA FRECUENCIA PERO INCLUYE UN COMPONENTE DE BAJA FRECUENCIA, COMPRENDE UN INSTRUMENTO COMPARATIVO (A1) POR CONSIGUIENTE PROPORCIONA UNA SALIDA QUE REPRESENTA LAS VARIACIONES DE ALTA FRECUENCIA EN LA SEÑAL DEL TRANSDUCTOR Y FUNDAMENTALMENTE NO AFECTADA POR NINGUN COMPONENTE DE BAJA FRECUENCIA EN LA SEÑAL DEL TRANSDUCTOR. ALTERNATIVAMENTE, LA SEÑAL DEL TRANSDUCTOR PUEDE APLICARSE A INSTRUMENTOS QUE PROPORCIONAN UNA PRIMERA SEÑAL DE SALIDA QUE VARIA SEGUN EL COMPONENTE DE BAJA FRECUENCIA Y ADEMAS PROPORCIONA UNA SEGUNDA SEÑAL DE SALIDA QUE VARIA SEGUN LAS VARIACIONES DE ALTA FRECUENCIA EN LA SEÑAL DE TRANSDUCTOR RECIBIDA, LA PRIMERA SEÑAL DE SALIDA UTILIZADA COMO UN CONTROL DE RETROALIMENTACION QUE TIENDE A DAR LA SEGUNDA SEÑAL LIBRE DE SALIDA DE VARIACIONES DE BAJA FREUCUENCIA.
ES89310157T 1988-10-06 1989-10-04 Circuito de procesamiento para transductor de reluctancia variable. Expired - Lifetime ES2048294T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888823501A GB8823501D0 (en) 1988-10-06 1988-10-06 Processing circuit for variable reluctance transducer
GB898903984A GB8903984D0 (en) 1989-02-22 1989-02-22 Processing circuit for variable reluctance transducer

Publications (1)

Publication Number Publication Date
ES2048294T3 true ES2048294T3 (es) 1994-03-16

Family

ID=26294489

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89310157T Expired - Lifetime ES2048294T3 (es) 1988-10-06 1989-10-04 Circuito de procesamiento para transductor de reluctancia variable.

Country Status (5)

Country Link
US (1) US5012207A (es)
EP (1) EP0369593B1 (es)
JP (1) JPH02222811A (es)
DE (1) DE68911655T2 (es)
ES (1) ES2048294T3 (es)

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KR100221713B1 (ko) * 1990-10-24 1999-09-15 프리거, 하인쯔; 발터, 굴리히 회전 속도 센서의 출력 신호를 조절하는 회로 장치
US5670886A (en) * 1991-05-22 1997-09-23 Wolf Controls Corporation Method and apparatus for sensing proximity or position of an object using near-field effects
US5446375A (en) * 1992-10-16 1995-08-29 At&T Global Information Solutions Company Reluctance sensor having variable threshold detection circuit
US5432442A (en) * 1993-07-30 1995-07-11 Itt Corporation Speed sensor including output signal proportional to air gap size
DE4435944C2 (de) * 1993-10-08 2003-04-17 Denso Corp Wellenformschaltkreis mit Rückkopplungsschaltung zum Einstellen eines mittigen Spannungswertes eines Wechselstromsignals
US5459398A (en) * 1993-12-17 1995-10-17 Delco Electronics Corporation Adaptive threshold circuit
US5712560A (en) * 1994-09-01 1998-01-27 Kabushiki Kaisha Toshiba Drive speed detector for a motor that drives a data reproducing device
GB2310496A (en) * 1996-02-21 1997-08-27 De La Rue Syst Method and apparatus for authenticating documents
JP2000269763A (ja) * 1999-03-18 2000-09-29 Fujitsu Ltd リミッタ回路及びそれを用いたｉｆアンプ
US6717399B2 (en) * 1999-07-15 2004-04-06 Wabash Technologies, Inc. Magnetic sensing device with offset compensation
US6798312B1 (en) 1999-09-21 2004-09-28 Rockwell Automation Technologies, Inc. Microelectromechanical system (MEMS) analog electrical isolator
US6803755B2 (en) 1999-09-21 2004-10-12 Rockwell Automation Technologies, Inc. Microelectromechanical system (MEMS) with improved beam suspension
US6501282B1 (en) * 2000-09-29 2002-12-31 Rockwell Automation Technologies, Inc. Highly sensitive capacitance comparison circuit
US6761829B2 (en) 2001-04-26 2004-07-13 Rockwell Automation Technologies, Inc. Method for fabricating an isolated microelectromechanical system (MEMS) device using an internal void
US6815243B2 (en) 2001-04-26 2004-11-09 Rockwell Automation Technologies, Inc. Method of fabricating a microelectromechanical system (MEMS) device using a pre-patterned substrate
US6768628B2 (en) 2001-04-26 2004-07-27 Rockwell Automation Technologies, Inc. Method for fabricating an isolated microelectromechanical system (MEMS) device incorporating a wafer level cap
US6794271B2 (en) * 2001-09-28 2004-09-21 Rockwell Automation Technologies, Inc. Method for fabricating a microelectromechanical system (MEMS) device using a pre-patterned bridge
US6756310B2 (en) 2001-09-26 2004-06-29 Rockwell Automation Technologies, Inc. Method for constructing an isolate microelectromechanical system (MEMS) device using surface fabrication techniques
US6664786B2 (en) 2001-07-30 2003-12-16 Rockwell Automation Technologies, Inc. Magnetic field sensor using microelectromechanical system
US6690178B2 (en) 2001-10-26 2004-02-10 Rockwell Automation Technologies, Inc. On-board microelectromechanical system (MEMS) sensing device for power semiconductors
US6909277B2 (en) * 2002-03-13 2005-06-21 Caterpillar Inc Amplification circuit for increasing variable reluctance sensor output
US7068734B2 (en) * 2002-10-08 2006-06-27 Hewlett-Packard Development Company, L.P. Passive redundant digital data receiver with schmitt-trigger
US7136429B2 (en) * 2002-10-08 2006-11-14 Hewlett-Packard Development Company, Lp. Passive redundant digital data receiver with dual comparator edge detection
US6975193B2 (en) * 2003-03-25 2005-12-13 Rockwell Automation Technologies, Inc. Microelectromechanical isolating circuit
US7496154B2 (en) * 2005-05-06 2009-02-24 Texas Instruments Incorporated Power and area efficient receiver circuit having constant hysteresis for noise rejection
US8018225B2 (en) * 2008-11-25 2011-09-13 General Electric Company System and method for sensing the periodic position of an object
GB2476184B (en) * 2008-08-29 2012-05-02 Gen Electric System and method for sensing the periodic position of an object
US7948229B2 (en) * 2008-08-29 2011-05-24 General Electric Company High temperature electronics for passive eddy current sensors
CN116087916A (zh) * 2023-01-19 2023-05-09 蔚来汽车科技(安徽)有限公司 人眼保护电路及其控制方法、电子设备、介质及车辆

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801830A (en) * 1973-02-05 1974-04-02 Ford Motor Co Signal amplification circuit with phase detecting means and variable signal level recognition means
FR2337886A1 (fr) * 1976-01-06 1977-08-05 Chauvin Arnoux Sa Dispositif pour commander un convertisseur tachymetrique par la tension remanente d'un alternateur
US4575677A (en) * 1984-05-25 1986-03-11 Mobil Oil Corporation Motor speed detector
DE3543058C2 (de) * 1985-12-05 1997-02-13 Teves Gmbh Alfred Verfahren und Schaltungsanordnung zur Aufbereitung eines Sensorsignals
DE3639947A1 (de) * 1986-11-22 1988-06-01 Bosch Gmbh Robert Impulsformer fuer induktive geber
US4914387A (en) * 1988-04-04 1990-04-03 The Torrington Company Magnetic speed sensor with an adaptive threshold circuit for use with a bearing assembly

Also Published As

Publication number Publication date
US5012207A (en) 1991-04-30
EP0369593B1 (en) 1993-12-22
DE68911655T2 (de) 1994-04-07
DE68911655D1 (de) 1994-02-03
JPH02222811A (ja) 1990-09-05
EP0369593A3 (en) 1990-07-25
EP0369593A2 (en) 1990-05-23

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