Article ; Online: Electrode-Skin Impedance Model Parameter Estimation in the Frequency-Domain.
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
2023 Volume 2023, Page(s) 1–4
Abstract: This paper presents a method for identifying parameter values for a double parallel resistor/constant-phase-element model of the electrode-skin interface for individual silver and silver/silver chloride electrodes. The impedance of each electrode was ... ...
| Abstract | This paper presents a method for identifying parameter values for a double parallel resistor/constant-phase-element model of the electrode-skin interface for individual silver and silver/silver chloride electrodes. The impedance of each electrode was measured in five from 1 Hz-10 kHz. Phase features of these data were used to guide initial estimates for parameter values which were refined using a least squares algorithm. Resultant model impedances were compared with experimental data across a typical biosignal bandwidth (1 Hz-500 Hz). The method was effective in estimating component values in most datasets, and resulted in a mean relative RMS error of 7 % (σ = 8.3%) across the biosignal bandwidth.Clinical relevance- This work establishes a feature-based method for finding component parameter estimates for an electrode contact impedance model. |
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| MeSH term(s) | Electric Impedance ; Silver ; Electrodes ; Skin ; Algorithms |
| Chemical Substances | Silver (3M4G523W1G) |
| Language | English |
| Publishing date | 2023-12-11 |
| Publishing country | United States |
| Document type | Journal Article |
| ISSN | 2694-0604 |
| ISSN (online) | 2694-0604 |
| DOI | 10.1109/EMBC40787.2023.10340097 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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