[PDF] Top 20 Modeling and Implementation of AC Electrical Capacitance Tomography

... inter-electrodes capacitance by applying multiple excitation signals [10], the CMOS circuit design of capacitance sensor for detecting changes of capacitance due to the incidence of particles or ... See full document

... SPECT Tomography were also suggested by exploring their significant performance for arithmetically intensive algorithms that have structured data accesses and limited branching, which is the case of SPECT ... See full document

... enhance the accuracy of data measurement. Accurate image reconstruction is a crucial part of ECT for concentration analysis, flow pattern recognition and velocity distributions. The main problem with iterative algorithm ... See full document

... segmented capacitance tomography system for real-time imaging of multiphase flows is developed and presented in this ...the Electrical Capacitance Tomography (ECT) System is applicable ... See full document

... is not enough to provide sufficient data for an accurate imaging. Therefore, in this research, a 12 electrodes electrical capacitance tomography system is developed. This system can provide more data ... See full document

... ultrasonic tomography [4]–[7], optical tomography [8]–[11], electrical resistance tomography [12]–[15] and electrical capacitance tomography ... See full document

... In capacitance tomography, most of the efforts to enhance image resolution have been by far focused on the third component ...of capacitance channels in the data acquisition chain and (2) a smaller ... See full document

... Research in the field of multiphase flow is of high importance from engineering and economical point of view to improve safety, reliability, sustainability, efficiency and significant decreasing maintenance frequency of ... See full document

... measurement projection vector was designed by rearranging the rows of the capacitance value vector in the same order. Thirdly, the mathematical model of ECT system was established. Finally, reconstructed images ... See full document

... Impedance Tomography (EIT) is a relatively new imaging ...of electrical conductivity (or impedance) distribution of the internal part of a typical conductive subject can be reconstructed ... See full document

... are capacitance measurement circuits that could measure capacitance values between different electrode ...retrieve capacitance measurements, the electrodes will act alternatively as the source and ... See full document

... forward modeling of the real ECT sensor using COMSOL ...the capacitance measurements between electrodes when an electric field is applied; and to obtain the permittivity distribution inside the closed pipe ... See full document

... Abstract. Electrical capacitance volume tomography (ECVT) is proposed as a novel real- time monitoring system for column flotation process. This study aims to validate the results between static and ... See full document

... of electrical capacitances between all possible combinations of electrodes, which occur when a dielectric material is introduced into the ...of capacitance change, an image based on the variation of the ... See full document

... Electrical capacitance tomography (ECT) is a technique developed in recent years, which aims to measure multi-phase flow. The quality of reconstructed images is the bottleneck for its successful ... See full document

... Electrical capacitance tomography (ECT) system is useful to obtain information on spatial distribution of dielectric material mixture inside a ... See full document

... are capacitance values proportional to the permittivity change ...and capacitance variation which changes with change in permittivity, it is concluded that such a sensor can be a suitable option for bone ... See full document

... process tomography which is the combination of dual modality; electrical capacitance and optical tomography for monitoring solid/gas flow ...Modality Tomography (DMT) system consists of ... See full document

... defines tomography as ‘radiography’ in which an image of a predetermined plane of the body or other object is obtained by rotating the detector and the source of radiation in such a way that points outside the ... See full document

... Another segregation of tomography is the radiation-based method [9]. This method uses infrared, microwave, X rays, gamma rays, neutrons, magnetic resonance, ultrasound or acoustics as the sensor. These methods are ... See full document