Characterization of electrical capacitance tomography sensors with different diameter

Jiamin Ye, Haigang Wang, Wuqiang Yang

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    In electrical capacitance tomography (ECT), the excitation frequency, excitation voltage, and the number of excitation electrode(s) can be chosen. The aim of this paper is to investigate their effect on ECT sensors with different diameter to improve the image quality and stability. Experimental studies have been carried out to understand the effect. To evaluate the experimental results objectively, the normalization models of capacitances are also examined. Using the linear back projection algorithm, images are reconstructed for six typical permittivity distributions, and the concentration is calculated based on the reconstructed images. Preliminary conclusions are given based on the experimental results. © 2001-2012 IEEE.
    Original languageEnglish
    Article number6746647
    Pages (from-to)2240-2251
    Number of pages11
    JournalIEEE Sensors Journal
    Issue number7
    Publication statusPublished - 21 Feb 2014


    • Electrical capacitance tomography
    • experimental study
    • numerical simulation
    • sensor diameter


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