DE60216719D1 - System und Verfahren zur Verarbeitung eines Signals - Google Patents

System und Verfahren zur Verarbeitung eines Signals

Info

Publication number
DE60216719D1
DE60216719D1 DE60216719T DE60216719T DE60216719D1 DE 60216719 D1 DE60216719 D1 DE 60216719D1 DE 60216719 T DE60216719 T DE 60216719T DE 60216719 T DE60216719 T DE 60216719T DE 60216719 D1 DE60216719 D1 DE 60216719D1
Authority
DE
Germany
Prior art keywords
signal
processing
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
DE60216719T
Other languages
English (en)
Other versions
DE60216719T2 (de
Inventor
Gary M Mcbrien
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.)
Goodrich Pump and Engine Control Systems Inc
Original Assignee
Goodrich Pump and Engine Control Systems 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 Goodrich Pump and Engine Control Systems Inc filed Critical Goodrich Pump and Engine Control Systems Inc
Application granted granted Critical
Publication of DE60216719D1 publication Critical patent/DE60216719D1/de
Publication of DE60216719T2 publication Critical patent/DE60216719T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D5/225—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
    • G01D5/2291—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)
DE60216719T 2002-01-29 2002-10-21 System und Verfahren zur Verarbeitung eines Signals Expired - Lifetime DE60216719T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/059,622 US6864808B2 (en) 2002-01-29 2002-01-29 System and method for processing a signal
US59622 2002-01-29

Publications (2)

Publication Number Publication Date
DE60216719D1 true DE60216719D1 (de) 2007-01-25
DE60216719T2 DE60216719T2 (de) 2007-09-06

Family

ID=22024148

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60216719T Expired - Lifetime DE60216719T2 (de) 2002-01-29 2002-10-21 System und Verfahren zur Verarbeitung eines Signals

Country Status (4)

Country Link
US (1) US6864808B2 (de)
EP (1) EP1331470B1 (de)
JP (1) JP2003240601A (de)
DE (1) DE60216719T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7248994B1 (en) * 2006-01-27 2007-07-24 Alliant Techsystems Inc. Digital method and apparatus for sensing position with a linear variable differential transformer
JP4886566B2 (ja) * 2007-03-26 2012-02-29 株式会社日立ハイテクノロジーズ レール高さ検出方法、レール高さ検出機構およびレール高さ変位量測定装置
JP4810480B2 (ja) * 2007-03-26 2011-11-09 株式会社日立ハイテクノロジーズ 軌道検測車
WO2009090883A1 (ja) * 2008-01-16 2009-07-23 Panasonic Corporation サンプリングフィルタ装置
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
US8478560B2 (en) 2011-01-19 2013-07-02 Honeywell International Inc. Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor
US8836322B2 (en) * 2011-02-23 2014-09-16 General Electric Company Method and system of a sensor interface having dynamic automatic gain control dependent on speed
US20120286820A1 (en) * 2011-05-13 2012-11-15 General Electric Company Methods to detect a single point of failure
US9222804B2 (en) 2011-09-02 2015-12-29 Persimmon Technologies Corporation System and method for position sensing
CN102930966B (zh) * 2012-09-21 2015-02-04 谭成忠 一种无刷线性旋转变压器
CN104949605B (zh) * 2014-03-31 2019-11-15 通用电气公司 位置检测模块，位置检测系统及方法
US10132663B2 (en) * 2015-04-30 2018-11-20 Goodrich Corporation Self-calibrating linear voltage differential transformer demodulator
FR3068465A1 (fr) * 2017-06-30 2019-01-04 Safran Electronics & Defense Procede de mesure utilisant un capteur de deplacement inductif
KR101931440B1 (ko) * 2017-07-25 2018-12-20 전북대학교산학협력단 각도 변위 측정용 저면적 위상 보정 회로
US11754420B2 (en) * 2020-12-12 2023-09-12 Hamilton Sundstrand Corporation Accuracy improvement in linear variable differential transformer based position measurements
US20220397428A1 (en) * 2021-06-15 2022-12-15 Hamilton Sundstrand Corporation Optimal lvdt/rvdt demodulation using a hybrid algorithm
FR3126490B1 (fr) * 2021-08-31 2024-04-19 Safran Electronics & Defense Capteur de déplacement inductif variable, dispositif, système et aéronef associés
CN113776418B (zh) * 2021-09-15 2024-02-09 连云港杰瑞电子有限公司 一种单芯片全差分结构的lvdt转换电路与方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591795A (en) 1984-10-01 1986-05-27 United Technologies Corporation Signal conditioning circuit for L/R VDT sensors
US4904921A (en) 1987-11-13 1990-02-27 Analog Devices, Inc. Monolithic interface circuit for linear variable differential transformers
US4982156A (en) 1988-09-02 1991-01-01 Allied-Signal Inc. Position transducer apparatus and associated circuitry including pulse energized primary winding and pair of waveform sampled secondary windings
US5087866A (en) 1991-05-22 1992-02-11 Lucas Industries Temperature compensating circuit for LVDT and control system
US5235274A (en) * 1991-10-07 1993-08-10 Honeywell Inc. Pulsed excitation position sensor system using linear variable differential transducers with multiplexing
GB2271186A (en) * 1992-10-02 1994-04-06 Positek Ltd Circuit for synchronous demodulation of the signal from a variable impedance sensor
US5617023A (en) * 1995-02-02 1997-04-01 Otis Elevator Company Industrial contactless position sensor
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
JP3024554B2 (ja) 1996-07-03 2000-03-21 横河電機株式会社 変位変換装置
US5777468A (en) * 1996-12-19 1998-07-07 Texas Instruments Incorporated Variable differential transformer system and method providing improved temperature stability and sensor fault detection apparatus
US6005387A (en) * 1997-04-16 1999-12-21 Mitutoyo Corporation Reduced offset high accuracy induced current position transducer
IT1303968B1 (it) * 1998-10-26 2001-03-01 Marposs Spa Trasduttori lineari induttivi .

Also Published As

Publication number Publication date
EP1331470A1 (de) 2003-07-30
DE60216719T2 (de) 2007-09-06
US20030141917A1 (en) 2003-07-31
JP2003240601A (ja) 2003-08-27
US6864808B2 (en) 2005-03-08
EP1331470A8 (de) 2003-11-05
EP1331470B1 (de) 2006-12-13

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