BRPI1102867A2 - método para fornecer uma imagem de um interior de uma estrutura - Google Patents

método para fornecer uma imagem de um interior de uma estrutura Download PDF

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Publication number
BRPI1102867A2
BRPI1102867A2 BRPI1102867-0A BRPI1102867A BRPI1102867A2 BR PI1102867 A2 BRPI1102867 A2 BR PI1102867A2 BR PI1102867 A BRPI1102867 A BR PI1102867A BR PI1102867 A2 BRPI1102867 A2 BR PI1102867A2
Authority
BR
Brazil
Prior art keywords
electrodes
conductivity
formula
voltage
measured
Prior art date
Application number
BRPI1102867-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Rajesh Veera Venkata Lakshmi Langoju
Debasish Mishra
Manoj Kumar Koyithitta Meethal
Sakethraman Mahalingam
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BRPI1102867A2 publication Critical patent/BRPI1102867A2/pt

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0536Impedance imaging, e.g. by tomography
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; Viscous liquids; Paints; Inks
    • G01N33/28Oils, i.e. hydrocarbon liquids
    • G01N33/2823Raw oil, drilling fluid or polyphasic mixtures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235Details of waveform analysis
    • A61B5/7239Details of waveform analysis using differentiation including higher order derivatives

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medical Informatics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
BRPI1102867-0A 2010-06-10 2011-06-09 método para fornecer uma imagem de um interior de uma estrutura BRPI1102867A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/797,653 US8054094B1 (en) 2010-06-10 2010-06-10 Image reconstruction based constrained maximization

Publications (1)

Publication Number Publication Date
BRPI1102867A2 true BRPI1102867A2 (pt) 2012-12-04

Family

ID=44542997

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1102867-0A BRPI1102867A2 (pt) 2010-06-10 2011-06-09 método para fornecer uma imagem de um interior de uma estrutura

Country Status (5)

Country Link
US (1) US8054094B1 (https=)
EP (1) EP2395347B1 (https=)
JP (1) JP5739731B2 (https=)
CN (1) CN102364334B (https=)
BR (1) BRPI1102867A2 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0647224B2 (ja) * 1987-08-11 1994-06-22 アミテック株式会社 矩形枠体用研削装置
WO2013081845A1 (en) * 2011-11-30 2013-06-06 General Electric Company High-side current measurement technique for multi-phase fluid
JP2013195343A (ja) * 2012-03-22 2013-09-30 Ihi Corp トモグラフィ装置及びトモグラフィ計測方法
WO2014046971A1 (en) * 2012-09-19 2014-03-27 Corning Incorporated Methods and devices for measuring resistance of device structures and materials
JP6492005B2 (ja) * 2013-04-08 2019-03-27 株式会社日立製作所 X線ct装置、再構成演算装置、及び再構成演算方法
JP2014202722A (ja) * 2013-04-10 2014-10-27 株式会社豊田中央研究所 混相状態分布計測装置
GB201416182D0 (en) * 2014-09-12 2014-10-29 Ind Tomography Systems Plc Density measurement system and method
GB201416280D0 (en) * 2014-09-15 2014-10-29 Univ Leeds Tomography apparatus and method
WO2017105432A1 (en) * 2015-12-16 2017-06-22 Halliburton Energy Services, Inc. Electrical impedance tomography using a switchable array
AU2017387061B2 (en) 2016-12-27 2019-08-22 Panametrics Llc Portable moisture analyzer for natural gas
USD822514S1 (en) 2016-12-27 2018-07-10 General Electric Company Portable natural gas moisture analyzer
WO2018165274A1 (en) * 2017-03-07 2018-09-13 Ohio University Phase wetting detection and water layer thickness characterization in multiphase oil-water and oil-water-gas flow

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL62861A (en) 1981-05-13 1988-01-31 Yeda Res & Dev Method and apparatus for carrying out electric tomography
CA1196691A (en) 1982-01-12 1985-11-12 Bradley Fry Reconstruction system and methods for impedance imaging
US4920490A (en) 1988-01-28 1990-04-24 Rensselaer Polytechnic Institute Process and apparatus for distinguishing conductivities by electric current computed tomography
US5381333A (en) 1991-07-23 1995-01-10 Rensselaer Polytechnic Institute Current patterns for electrical impedance tomography
JPH06168A (ja) * 1992-06-22 1994-01-11 Hitachi Ltd 電気インピ−ダンス分布測定方法およびその装置
DE4332257C2 (de) * 1993-09-22 1996-09-19 P Osypka Gmbh Medizintechnik D Vorrichtung zum Erzeugen tomografischer Bilder
US5807251A (en) * 1994-03-11 1998-09-15 British Technology Group Limited Electrical impedance tomography
JPH09281066A (ja) * 1996-04-15 1997-10-31 Horiba Ltd インピーダンスctを用いた計測システム
JP3892541B2 (ja) * 1997-08-08 2007-03-14 応用地質株式会社 二重相反境界要素法による地下比抵抗構造解析方法
EP1347706B1 (en) * 2000-12-30 2008-05-21 The University Of Leeds Electrical impedance tomography
JP3772237B2 (ja) * 2001-10-25 2006-05-10 学校法人日本大学 混相状態分布計測装置と混相状態分布計測方法
KR100459903B1 (ko) * 2002-07-25 2004-12-03 삼성전자주식회사 피부의 국부적인 영역의 임피던스를 측정하는 측정 시스템및 이에 이용되는 임피던스 측정 전극
UA64623C2 (en) * 2003-07-25 2005-03-15 Subsidiary Entpr With Foreign Method for nondestructive testing the tightness of an article using gas discharge
US7496450B2 (en) 2003-08-22 2009-02-24 Instituto Mexicano Del Petroleo Method for imaging multiphase flow using electrical capacitance tomography
GB0320167D0 (en) * 2003-08-28 2003-10-01 Univ Leeds An on-line data processing EIT system
US7603158B2 (en) * 2003-09-04 2009-10-13 Adrian Nachman Current density impedance imaging (CDII)
CN100401044C (zh) * 2006-03-21 2008-07-09 天津大学 双模电成像系统传感器及基于该传感器的图像重建方法
CA2693315A1 (en) * 2006-07-27 2008-01-31 Tasc Ltd. High definition impedance imaging
DK176686B1 (da) 2007-07-10 2009-02-23 Harresoe Byggeforretning Aps Selvbærende tag med rem som trækbånd
WO2009030870A1 (en) 2007-09-05 2009-03-12 University Of Leeds Multi phase flow measurement system
CN101241094B (zh) * 2008-03-12 2011-03-23 天津大学 非接触式电阻抗传感器及基于该传感器的图像重建方法

Also Published As

Publication number Publication date
EP2395347A1 (en) 2011-12-14
CN102364334A (zh) 2012-02-29
JP5739731B2 (ja) 2015-06-24
CN102364334B (zh) 2015-03-11
EP2395347B1 (en) 2013-04-03
US8054094B1 (en) 2011-11-08
JP2011257396A (ja) 2011-12-22

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]