Comprehensive Optimization of the Tripolar Concentric Ring Electrode Based on Its Finite Dimensions Model and Confirmed by Finite Element Method Modeling.
Comprehensive Optimization of the Tripolar Concentric Ring Electrode Based on Its Finite Dimensions Model and Confirmed by Finite Element Method Modeling.
复制标题
基于其有限尺寸模型对Tripolar同心环电极的全面优化，并通过有限元方法建模确认。
DOI：
10.3390/s21175881
复制
发表时间：
2021-08-31
期刊：
影响因子：
--
通讯作者：
Garcia-Casado J
中科院分区：
文献类型：
--
作者：
Makeyev O;Ye-Lin Y;Prats-Boluda G;Garcia-Casado J
本研究中进行的优化基于同心环电极的有限尺寸模型，而不是过去使用的可忽略尺寸模型。这使得优化问题变得更加全面，因为所有电极参数（包括中心盘的半径和同心环的各个宽度）首次同时得到优化。使用的优化标准是最大化表面拉普拉斯估计的准确性，因为估计每个电极处的拉普拉斯的能力构成了同心环电极的主要生物医学意义。对于三极同心环电极，将最佳配置与先前提出的相同尺寸且基于相同有限尺寸模型的线性增加环间距离和恒定环间距离配置进行比较。获得的分析结果表明，与本研究中提出的最佳配置相比，先前提出的配置分别对应于拉普拉斯估计误差的几乎两倍和三倍以上的增加。这些分析结果通过有限元方法建模得到证实，该方法首次适用于同心环电极的有限尺寸模型。此外，有限元方法建模结果表明，最佳电极配置还可以提高灵敏度和空间分辨率。
The optimization performed in this study is based on the finite dimensions model of the concentric ring electrode as opposed to the negligible dimensions model used in the past. This makes the optimization problem comprehensive, as all of the electrode parameters including, for the first time, the radius of the central disc and individual widths of concentric rings, are optimized simultaneously. The optimization criterion used is maximizing the accuracy of the surface Laplacian estimation, as the ability to estimate the Laplacian at each electrode constitutes primary biomedical significance of concentric ring electrodes. For tripolar concentric ring electrodes, the optimal configuration was compared to previously proposed linearly increasing inter-ring distances and constant inter-ring distances configurations of the same size and based on the same finite dimensions model. The obtained analytic results suggest that previously proposed configurations correspond to almost two-fold and more than three-fold increases in the Laplacian estimation error compared with the optimal configuration proposed in this study, respectively. These analytic results are confirmed using finite element method modeling, which was adapted to the finite dimensions model of the concentric ring electrode for the first time. Moreover, the finite element method modeling results suggest that optimal electrode configuration may also offer improved sensitivity and spatial resolution.
登录
查看更多内容
影响因子：
4.6
作者：
Nasrollaholhosseini, Seyed Hadi;Mercier, Jason;Besio, Walter G.
通讯作者：
Besio, Walter G.
影响因子：
2.6
作者：
Toole, Christopher;Martinez-Juarez, Iris E.;Besio, Walter G.
通讯作者：
Besio, Walter G.
影响因子：
10
作者：
Wang, Kaiping;Parekh, Udit;Ng, Tse Nga
通讯作者：
Ng, Tse Nga
通过新型可变间间距离同心环电极提高拉普拉斯估计的准确性。
DOI：
10.3390/s16060858
发表时间：
2016-06-10
期刊：
Sensors (Basel, Switzerland)
影响因子：
--
作者：
Makeyev O;Besio WG
通讯作者：
Besio WG
影响因子：
3.9
作者：
Zena-Gimenez, Victor;Garcia-Casado, Javier;Prats-Boluda, Gema
通讯作者：
Prats-Boluda, Gema