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Development of the injection current source for the information-measuring system of electrical impedance tomography of biological object

Aleksanyan, G.K. and Kucher, A.I. and Gorbatenko, N.I. and Nguyen, C.M. (2023) Development of the injection current source for the information-measuring system of electrical impedance tomography of biological object. In: UNSPECIFIED.

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Abstract

To implement an electrical impedance tomography device, it is necessary to develop one of its most important components - an injected current source, which characteristics affect the metrological characteristics of whole device. In this regard, the task was set to develop such a current source that satisfies a number of requirements regarding the stability of its operation in a given range of frequencies and output current amplitudes, as well as load resistances. As a result of the work performed, a voltage-controlled injected current source for an electrical impedance tomography device was developed, manufactured, and investigated. The error of the amplitude of the output current and the error of the frequency of the output current were studied using a mathematical model and during a full-scale experiment. Active resistance and a biological object were used as a load. As a result of the simulation, it was found that the error in the amplitude of the output current does not exceed 1-5 for a given range of load resistances and frequencies. © The Authors, published by EDP Sciences. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (https://creativecommons.org/licenses/by/4.0/).

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Offices > Office of International Cooperation
Identification Number: 10.1051/e3sconf/202346004023
Additional Information: cited By ; Conference of 2023 International Scientific Conference on Biotechnology and Food Technology, BFT 2023 ; Conference Date: 19 September 2023 Through 23 September 2023; Conference Code:196163
URI: http://eprints.lqdtu.edu.vn/id/eprint/11078

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