Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Electrical impedance tomography. Electrode current determination from programmable voltage sources.

F J Lidgey1, Q S Zhu, C N McLeod

  • 1Electrical Impedance Tomography Research Group, Oxford Polytechnic, Headington, UK.

Clinical Physics and Physiological Measurement : an Official Journal of the Hospital Physicists' Association, Deutsche Gesellschaft Fur Medizinische Physik and the European Federation of Organisations for Medical Physics
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

[Non-invasive and high-precision identification of gastric precancerous lesions based on SERS and machine learning].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2026
Same author

[Revision rate of periprosthetic joint infection post total hip or knee arthroplasty of 34 hospitals in China between 2015 and 2017: a multi-center survey].

Zhonghua yi xue za zhi·2023
Same author

miR-497 inhibits tumor growth and migration of osteosarcoma by targeting plexinA4 and CDK6.

Neoplasma·2020
Same author

[Risk factors and preventions for postoperative kyphotic changes in cervical posterior decompression surgery].

Zhonghua yi xue za zhi·2019
Same author

Theoretical investigation on the optical and EPR spectra for Cu<sup>2+</sup> -doped ZnO-CdS nanocomposites.

Magnetic resonance in chemistry : MRC·2018
Same author

Determination of InN/Diamond Heterojunction Band Offset by X-ray Photoelectron Spectroscopy.

Nanoscale research letters·2016
Same journal

Changes of erythropoietic and storage iron components in certain clinical situations as evaluated by ferrokinetic investigations.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

An error study on some linear reconstruction algorithms for electrical impedance tomography.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

Effects of myocardial electrotonic interaction on the sequence of excitation and repolarisation and on T wave polarity. Computer modelling experiments.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

Spectrophotometric measurements of haemoglobin saturation and concentration in skin during the tuberculin reaction in normal human subjects.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

Antimony electrode for the determination of the intramyocardial pH during open-heart surgery.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
Same journal

A thermal clearance probe for continuous monitoring of cerebral blood flow.

Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics·1992
See all related articles

New electrical impedance tomography (EIT) systems use a voltage-drive architecture to overcome limitations in current sources. This approach enables precise adaptive current patterns for improved EIT accuracy.

Area of Science:

  • Biomedical Engineering
  • Electrical Engineering
  • Medical Imaging

Background:

  • Adaptive current electrical impedance tomography (EIT) demands high accuracy beyond current source capabilities.
  • Existing EIT systems face limitations in achieving precise adaptive current control.

Purpose of the Study:

  • To introduce a novel EIT system architecture for enhanced current control.
  • To address the accuracy limitations of conventional current sources in adaptive EIT.

Main Methods:

  • Developed a voltage-drive EIT system architecture.
  • Utilized a numerically inverted admittance matrix for indirect current setting.
  • Employed programmable voltage sources to achieve target current patterns.

Main Results:

Related Experiment Videos

  • Successfully demonstrated an indirect method for setting electrode currents in EIT.
  • Achieved desired adaptive current patterns using the novel voltage-drive approach.
  • Overcame the accuracy limitations of traditional current sources.

Conclusions:

  • The proposed voltage-drive architecture is effective for adaptive EIT.
  • This method provides a viable solution for achieving high-accuracy current control in EIT measurements.
  • The findings pave the way for more precise EIT applications.