Modeling and analysis of dielectric materials by using gradient-descent optimization method

被引：5

作者：

Alagoz B.B. ^{[1
]}

Alisoy H.Z. ^{[2
]}

Koseoglu M. ^{[1
]}

Alagoz S. ^{[3
]}

机构：

[1] Electrical-Electronics Engineering, Inonu University

[2] Electronics and Communication Engineering, Namik Kemal University

[3] Department of Physics, Inonu University

来源：

International Journal of Modeling, Simulation, and Scientific Computing | 2017年 / 8卷 / 01期

关键词：

Dielectric materials; insulators; modeling; numerical analysis;

D O I：

10.1142/S1793962317500143

中图分类号：

学科分类号：

摘要：

This study presents a numerical method based on parallel RC equivalent circuit model fitting methodology for analysis and modeling of dielectric materials. The proposed method employs gradient-descent optimization method (GDOM) to estimate parallel RC equivalent circuit model from current waveforms by minimizing sum of squared difference (SSD) error. Estimation of parallel RC equivalent circuit parameters from measured current waveforms provides a useful tool for identification, simulation and analysis of dielectric materials. Moreover, applications of the proposed method for time and frequency analyses of dielectric materials are demonstrated numerically. Numerical simulations were presented to discuss efficiency of the proposed method for modeling, analysis and monitoring of insulator materials. © 2017 World Scientific Publishing Company.

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