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Electrical Capacitance Tomography (ECT) is a method to determine the material distribution within the interior of a closed object by measuring the capacitance values across externally mounted electrodes. Traditionally, an AC excitation pulse is applied to a pair of electrodes that form a capacitor during each measurement step, in order to determine the capacitance from the output current measured...
Electrical capacitance tomography (ECT) is a nonintrusive imaging technique for monitoring dynamics within a closed container. In this paper, an image reconstruction algorithm for ECT, termed Adaptive Total Variation Regularization (ATVR), is introduced. The ATVR algorithm reduces total image error while preventing loss of features of interest in fluid-air interface monitoring. Unlike traditional...
This paper presents a new sensing method to improve the efficiency of electrical capacitance tomography. Instead of applying one excitation signal to one electrode at a time, the multiple excitation capacitance polling (MECaP) method progressively applies an increasing number of multiple excitations to multiple electrodes and simultaneously measures the capacitance values, thereby significantly increasing...
A new sensing method, termed Multiple Excitation Capacitance Polling (MECaP), has been developed to improve the efficiency of Electrical Capacitance Tomography (ECT). Instead of applying one excitation signal to an electrode at a time, the MECaP technique progressively applies an increasing number of excitation signals to multiple electrodes, and measures the capacitance values simultaneously, thereby...
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