3D issues of electrical capacitance and resistance tomography sensors

Jiangtao Sun, Wuqiang Yang

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    Electrical tomography (ET) has been developed for over three decades and found a wide range of industrial applications. ET is used to visualise and measure the distribution of materials with different electrical or magnetic properties in a cross section of interest using a proper sensor. There are three modalities of ET: Electrical Capacitance Tomography (ECT), Electrical Resistance Tomography (ERT) and Electro-magnetic Tomography (EMT), with similar sensing principles but for different applications. While enormous papers have been published for ET system design, few of them have discussed the 3D issues of ET sensors, also referred to as the fringe effect. This paper will discuss these issues in ECT and ERT sensors, and present analytical and simulation results to illustrate the problems, and discuss possible solutions to reducing the fringe effect. In the end of the paper future research is suggested.
    Original languageEnglish
    Title of host publicationProceedings of the IASTED International Conference on Signal and Image Processing and Applications, SIPA 2011|Proc. IASTED Int. Conf. Signal Image Process. Appl., SIPA
    PublisherInternational Association of Science and Technology for Development
    Pages59-63
    Number of pages4
    ISBN (Print)9780889868946
    DOIs
    Publication statusPublished - 2011
    EventIASTED International Conference on Signal and Image Processing and Applications, SIPA 2011 - Crete
    Duration: 1 Jul 2011 → …

    Conference

    ConferenceIASTED International Conference on Signal and Image Processing and Applications, SIPA 2011
    CityCrete
    Period1/07/11 → …

    Keywords

    • 3D problem
    • Electrical tomography
    • Sensor design

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