ATE92620T1 - Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator. - Google Patents

Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator.

Info

Publication number
ATE92620T1
ATE92620T1 AT89900957T AT89900957T ATE92620T1 AT E92620 T1 ATE92620 T1 AT E92620T1 AT 89900957 T AT89900957 T AT 89900957T AT 89900957 T AT89900957 T AT 89900957T AT E92620 T1 ATE92620 T1 AT E92620T1
Authority
AT
Austria
Prior art keywords
lvdt
interface circuit
responsive
providing
decoder
Prior art date
Application number
AT89900957T
Other languages
English (en)
Inventor
Lawrence M Devito
A Paul Brokaw
Original Assignee
Analog Devices 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 Analog Devices Inc filed Critical Analog Devices Inc
Application granted granted Critical
Publication of ATE92620T1 publication Critical patent/ATE92620T1/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
    • G01D5/14—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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/22—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 by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/225—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils
    • G01D5/2258—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core
    • G01D5/2266—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core specially adapted circuits therefor
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/22—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 by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/2208—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
    • G01D5/2216—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 by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils by a movable ferromagnetic element, e.g. a core
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/22—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 by varying inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Amplifiers (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Dc Digital Transmission (AREA)
  • Networks Using Active Elements (AREA)
AT89900957T 1987-11-13 1988-10-19 Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator. ATE92620T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/120,118 US4904921A (en) 1987-11-13 1987-11-13 Monolithic interface circuit for linear variable differential transformers
PCT/US1988/003668 WO1989004949A2 (en) 1987-11-13 1988-10-19 Interface circuit for linear variable differential transformer
EP89900957A EP0398901B1 (de) 1987-11-13 1988-10-19 Schnittstellenschaltung für einen linearen veränderlichen differentialtransformator

Publications (1)

Publication Number Publication Date
ATE92620T1 true ATE92620T1 (de) 1993-08-15

Family

ID=22388376

Family Applications (2)

Application Number Title Priority Date Filing Date
AT89900957T ATE92620T1 (de) 1987-11-13 1988-10-19 Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator.
AT93200010T ATE150545T1 (de) 1987-11-13 1988-10-19 Schnittstellenschaltungen für lineare veränderliche differentialtransformatoren

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT93200010T ATE150545T1 (de) 1987-11-13 1988-10-19 Schnittstellenschaltungen für lineare veränderliche differentialtransformatoren

Country Status (6)

Country Link
US (1) US4904921A (de)
EP (3) EP0398901B1 (de)
JP (1) JPH03501885A (de)
AT (2) ATE92620T1 (de)
DE (2) DE3855838D1 (de)
WO (1) WO1989004949A2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5327030A (en) * 1987-11-13 1994-07-05 Analog Devices, Inc. Decoder and monolithic integrated circuit incorporating same
US5109675A (en) * 1990-10-10 1992-05-05 Westinghouse Electric Corp. Valve position sensing circuit
US5087866A (en) * 1991-05-22 1992-02-11 Lucas Industries Temperature compensating circuit for LVDT and control system
US5864215A (en) * 1992-03-06 1999-01-26 Hughes Aircraft Company Steering apparatus for controllably displacing a structure relative to a frame member
DE59308536D1 (de) * 1992-04-02 1998-06-18 Micro Epsilon Messtechnik Verfahren zur sensoransteuerung und signalverarbeitung
DE4220596C1 (de) * 1992-06-24 1993-12-09 Mfp Mestechnik Und Fertigungst Schaltungsanordnung zur Bestimmung des Übertragungsmaßes einer variablen Übertragungsschaltung
US5422555A (en) * 1993-04-30 1995-06-06 Rank Taylor Hobson, Ltd. Apparatus and method for establishing a reference signal with an LVDT
US5329416A (en) * 1993-07-06 1994-07-12 Alliedsignal Inc. Active broadband magnetic flux rate feedback sensing arrangement
US5420741A (en) * 1993-11-15 1995-05-30 Allied-Signal Inc. Passive tuned magnetic flux rate feedback sensing and control arrangement
US5617023A (en) * 1995-02-02 1997-04-01 Otis Elevator Company Industrial contactless position sensor
US5802728A (en) * 1995-08-17 1998-09-08 Watson Industries, Inc. Liquid level and angle detector
US5661397A (en) * 1995-09-22 1997-08-26 H. R. Textron Inc. Demodulator circuit for determining position, velocity and acceleration of displacement sensor independent of frequency or amplitude changes in sensor excitation signal
US5717331A (en) * 1995-09-22 1998-02-10 H.R. Textron, Inc. Demodulator circuit for use with a displacement sensor to provide position information
US5801645A (en) * 1996-07-18 1998-09-01 Allen-Bradley Company, Inc. Automatic paired LVDT probe balancing
IT1303968B1 (it) * 1998-10-26 2001-03-01 Marposs Spa Trasduttori lineari induttivi .
WO2001086669A1 (en) * 2000-05-10 2001-11-15 Lorenzo Zannini Energy dimmer drive and energy pilot
ITRE20000043A1 (it) * 2000-05-10 2001-11-10 Lorenzo Zannini Energy dimmer drive (e.d.d.)- pilota d'energia
US6864808B2 (en) * 2002-01-29 2005-03-08 Goodrich Pump & Engine Control Systems, Inc. System and method for processing a signal
US20040155651A1 (en) * 2003-02-12 2004-08-12 Britton Andrew Michael Flux control system for metal detectors
RU2246127C2 (ru) * 2003-03-19 2005-02-10 Военно-морской институт радиоэлектроники им. А.С. Попова Импульсный стабилизатор переменного напряжения
US20050278132A1 (en) * 2004-06-09 2005-12-15 Bauerle Paul A PWM dual store protection
US7006938B2 (en) * 2004-06-16 2006-02-28 Ami Semiconductor, Inc. Reactive sensor modules using Pade' Approximant based compensation and providing module-sourced excitation
RU2321047C1 (ru) * 2007-01-18 2008-03-27 Хазби Тимофеевич Тедеев Стабилизатор напряжения переменного тока
FR2921166B1 (fr) * 2007-09-14 2009-11-20 Thales Sa Dispositif et procede de redressement double alternance de precision amelioree
US8253278B2 (en) * 2008-06-05 2012-08-28 Qualcomm Incorporated Ferrite antennas for wireless power transfer
US9112508B2 (en) 2010-06-09 2015-08-18 Broadcom Corporation Adaptive powered local oscillator generator circuit and related method
US8929844B2 (en) * 2010-08-30 2015-01-06 Broadcom Corporation Variable gain control transformer and RF transmitter utilizing same
US8862064B2 (en) 2010-09-24 2014-10-14 Broadcom Corporation Self-testing transceiver architecture and related method
US8558408B2 (en) 2010-09-29 2013-10-15 General Electric Company System and method for providing redundant power to a device
US8478560B2 (en) 2011-01-19 2013-07-02 Honeywell International Inc. Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor
US8278779B2 (en) 2011-02-07 2012-10-02 General Electric Company System and method for providing redundant power to a device
US9464881B2 (en) 2012-08-01 2016-10-11 Silicon Works Co., Ltd. Displacement sensor, apparatus for detecting displacement, and method thereof
US9528815B2 (en) 2013-02-08 2016-12-27 Hamilton Sundstrand Corporation Transformer based sensor arrangement
FR3071922B1 (fr) * 2017-10-02 2019-11-15 Safran Electronics & Defense Procede de mesure d’un deplacement

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235790A (en) * 1961-09-22 1966-02-15 Collins Corp G L Movable core transducer
GB1319586A (en) * 1969-10-06 1973-06-06 Findlay Irvine Ltd Displacement transducers
US3737640A (en) * 1971-12-29 1973-06-05 Monsanto Co Electronic feedback controlled time-division multiplier and/or divider
GB1485116A (en) * 1973-08-21 1977-09-08 Solartron Electronic Group Non linear network
US4140998A (en) * 1976-03-15 1979-02-20 Sangamo Weston, Inc. High accuracy position indicator
SU697800A1 (ru) * 1978-04-24 1979-11-15 Куйбышевский политехнический институт им.В.В.Куйбышева Устройство дл измерени линейных перемещений
EP0028743B1 (de) * 1979-11-08 1983-06-08 Hewlett-Packard GmbH Schaltung zur Erzeugung einer Sinusschwingung aus einer Dreiecksschwingung
JPS5759116A (en) * 1980-09-26 1982-04-09 Sakata Denki Kk Differential transformeter conversion system
US4475169A (en) * 1982-02-01 1984-10-02 Analog Devices, Incorporated High-accuracy sine-function generator
US4476538A (en) * 1982-02-01 1984-10-09 Analog Devices, Inc. Trigonometric function generator
GB2131558B (en) * 1982-11-05 1986-03-05 Walter Farrer Measuring potential difference
US4514689A (en) * 1982-12-27 1985-04-30 Varian Associates, Inc. High resolution position sensing apparatus with linear variable differential transformers having phase-shifted energizing signals
FR2587795B1 (fr) * 1985-09-20 1990-02-09 Europ Propulsion Capteur de deplacement lineaire inductif
US4678991A (en) * 1985-11-18 1987-07-07 United Technologies Corporation Inductive displacement transducer with unipolar output
DE3602107C2 (de) * 1986-01-24 1996-05-30 Bosch Gmbh Robert Schaltungsanordnung mit Differentialtransformator

Also Published As

Publication number Publication date
DE3883011T2 (de) 1994-03-17
DE3883011D1 (de) 1993-09-09
EP0542725B1 (de) 1997-03-19
DE3855838D1 (de) 1997-04-24
EP0741280A2 (de) 1996-11-06
EP0542725A3 (en) 1994-06-08
WO1989004949A3 (en) 1989-11-02
EP0542725A2 (de) 1993-05-19
ATE150545T1 (de) 1997-04-15
WO1989004949A2 (en) 1989-06-01
EP0741280A3 (de) 1997-03-05
EP0398901A1 (de) 1990-11-28
EP0398901B1 (de) 1993-08-04
US4904921A (en) 1990-02-27
JPH03501885A (ja) 1991-04-25

Similar Documents

Publication Publication Date Title
ATE92620T1 (de) Schnittstellenschaltung fuer einen linearen veraenderlichen differentialtransformator.
DE3855048D1 (de) Digitaler kompass und magnetometer, mit frequenzdifferenz
KR900000005B1 (en) Recording apparatus
DE3687455D1 (de) Sensor-verstaerkungs- und steigerungsapparat unter verwendung digitaler techniken.
ES8707610A1 (es) Disposicion de sensor
JPS6459162A (en) Cross coil type mobile magnet instrument
US3801907A (en) Direct current measurement
SU828406A1 (ru) Преобразователь сигнала разбалансаТЕНзОМОСТА B чАСТОТу
ATE35867T1 (de) Schaltungsanordnung zur kompensation von schwankungen des uebertragungsfaktors eines linearen magnetfeldsensors.
SU788340A1 (ru) Усилитель медленно измен ющихс сигналов
SU534643A1 (ru) Датчик перемещени с частотным выходом
JPS556237A (en) Displacement converter
SU363206A1 (ru) •сесоюзная
SU688816A2 (ru) Трансформаторный преобразователь линейных перемещений
SU1675807A1 (ru) Измеритель величины дипольного магнитного момента
SU905665A1 (ru) Компенсационный динамометр
SU1142730A2 (ru) Датчик угловых перемещений
SU618774A1 (ru) Датчик перемещени
SU653729A1 (ru) Функциональный преобразователь
SU665203A1 (ru) Преобразователь перемещений
SU397925A1 (ru) Магнитный преобразователь перемещения
SU1116525A1 (ru) Магнитный модул тор
SU543875A1 (ru) Счетчик/ампер - часов
JPS5627602A (en) Magnetic scale
SU1377987A1 (ru) Преобразователь посто нного напр жени в посто нное

Legal Events

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