Abstract
This paper describe new tomography acquisition design based on capacitance measurement namely Electrical Capacitance Volume Tomography (ECVT). ECVT is one of measurement instrument which is specifically used in tomography application. The acquisition instruments used 64 electrode capacitive sensors, in cylindrical shape. Measurement of capacitance is performed using charge amplifier circuit on each electrode to convert the current into voltage signal. The resulting signal represented capacitance value. To accommodate the whole 64 electrodes capacitive sensors, two data acquisition systems are developed to handle up to 32 electrodes. We also developed the communication protocol between two data acquisition systems, measured the system performance, and the speed of acquisition data.
Published Version
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