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http://dx.doi.org/10.7471/ikeee.2019.23.4.1122

A Study on the Characteristics of Four Electrode Bioimpedance Model using Dry Electrode  

Cho, Young Chang (Dept. of Avia. Info. Com. Eng., Kyungwoon University)
Jeong, Jong Hyeong (Dept. of Avia. Info. Com. Eng., Kyungwoon University)
Yun, Jeong-oh (Dept. of Avia. Info. Com. Eng., Kyungwoon University)
Kim, Min Soo (Dept. of Avia. Info. Com. Eng., Kyungwoon University)
Publication Information
Journal of IKEEE / v.23, no.4, 2019 , pp. 1122-1127 More about this Journal
Abstract
In this study, the bio-impedance of the human body is able to obtain a lot of information by monitoring the pathological and physiological conditions of clinical and biological tissues. The four electrode method system for biometrics measured the potential difference between two electrodes and the other two electrodes were used as electrodes for current flow. The newly developed dry gold electrode measured impedance from 1 Hz to 50 kHz and produced reproducible results. To verify the impedance measurement of the dry electrode, the pitting was performed using an equivalent circuit model of the bioelectrode skin, and the effectiveness was demonstrated through modeling. Fixed electrode types have a constant position of the electrodes attached during the measurement, so that a stable measurement can be obtained, thereby minimizing the error.
Keywords
Bioimpedace Measurement System; Four Electrode System; Equivalent Circuit Model; Dry electrode;
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