DE69601404T2 - Schaltung für einen veränderlichen Differentialtransformator und Betriebsverfahren - Google Patents

Schaltung für einen veränderlichen Differentialtransformator und Betriebsverfahren

Info

Publication number
DE69601404T2
DE69601404T2 DE1996601404 DE69601404T DE69601404T2 DE 69601404 T2 DE69601404 T2 DE 69601404T2 DE 1996601404 DE1996601404 DE 1996601404 DE 69601404 T DE69601404 T DE 69601404T DE 69601404 T2 DE69601404 T2 DE 69601404T2
Authority
DE
Germany
Prior art keywords
circuit
operating method
differential transformer
variable differential
variable
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 - Fee Related
Application number
DE1996601404
Other languages
English (en)
Other versions
DE69601404D1 (de
Inventor
Thomas R Maher
Keith W Kawate
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE69601404D1 publication Critical patent/DE69601404D1/de
Application granted granted Critical
Publication of DE69601404T2 publication Critical patent/DE69601404T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01D5/2208—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
    • G01D5/2208—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
    • G01D5/2225—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 non-ferromagnetic conductive element
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
DE1996601404 1995-10-16 1996-10-14 Schaltung für einen veränderlichen Differentialtransformator und Betriebsverfahren Expired - Fee Related DE69601404T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US530095P 1995-10-16 1995-10-16

Publications (2)

Publication Number Publication Date
DE69601404D1 DE69601404D1 (de) 1999-03-04
DE69601404T2 true DE69601404T2 (de) 1999-06-10

Family

ID=21715203

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996601404 Expired - Fee Related DE69601404T2 (de) 1995-10-16 1996-10-14 Schaltung für einen veränderlichen Differentialtransformator und Betriebsverfahren

Country Status (3)

Country Link
EP (1) EP0768515B1 (de)
JP (1) JPH09126808A (de)
DE (1) DE69601404T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3706601B2 (ja) * 2002-07-30 2005-10-12 三菱重工業株式会社 流量制御装置
JP2006263377A (ja) * 2005-03-25 2006-10-05 Takiron Co Ltd 化粧用貼付材
JP2008122254A (ja) * 2006-11-13 2008-05-29 Ulvac Japan Ltd 触針式段差計における変位センサ用差動トランス
US8712710B2 (en) 2011-05-13 2014-04-29 Honeywell International Inc. Method and apparatus for detection of LVDT core fallout condition
FR2999363B1 (fr) * 2012-12-10 2018-12-07 Continental Automotive France Ensemble de detection de position a tension de decalage diminuee et procede utilisant un tel ensemble
JP6175633B2 (ja) * 2013-07-29 2017-08-09 多摩川精機株式会社 回転型差動変圧器
US10436609B2 (en) 2014-10-24 2019-10-08 Moog Inc. Position sensor assembly
US10132663B2 (en) * 2015-04-30 2018-11-20 Goodrich Corporation Self-calibrating linear voltage differential transformer demodulator
CN105758438A (zh) * 2016-03-04 2016-07-13 江西洪都航空工业集团有限责任公司 一种lvdt信号解调电路的快速校准装置
DE102018213783A1 (de) 2018-08-16 2020-02-20 Continental Teves Ag & Co. Ohg Transformator mit Testschaltung
CN109660209B (zh) * 2019-01-10 2023-07-21 深圳市禾望电气股份有限公司 一种旋转变压器信号调制电路及电机驱动系统
CN112414289B (zh) * 2020-11-09 2022-04-01 安徽感航电子科技有限公司 一种高稳定度位移传感器的设计方法
US11362508B1 (en) * 2021-04-20 2022-06-14 Hamilton Sundstrand Corporation Partial RMS based over-current detection for VDT excitation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876899A (en) 1988-10-31 1989-10-31 Texas Instruments Incorporated Torque sensing device
US5247253A (en) * 1990-11-09 1993-09-21 Curtis Instruments, Inc. Eddy current proximity sensing means and method useful for determining throttle position
US5180979A (en) * 1991-10-07 1993-01-19 Honeywell Inc. Position measurement sensor using a linear variable differential transformer with a triangular pulse input and output
GB9225971D0 (en) * 1992-12-12 1993-02-10 Penny & Giles Blackwood Ltd Rotary transducer
GB9320346D0 (en) * 1993-10-02 1993-12-22 Lucas Ind Publci Limited Compa Apparatus for compensating for phase shift

Also Published As

Publication number Publication date
DE69601404D1 (de) 1999-03-04
JPH09126808A (ja) 1997-05-16
EP0768515B1 (de) 1999-01-20
EP0768515A1 (de) 1997-04-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee