Simplifying Cole-Impedance Extraction from the Current-Excited Step Response

被引：0
|
作者：
Freeborn, Todd J. [1 ]
Maundy, Brent [1 ]
Elwakil, Ahmed [2 ]
机构：
[1] Univ Calgary, Dept Elect Compute Eng, Calgary, AB, Canada
[2] Univ Sharjah, Dept Elect Comp Eng, Sharjah, U Arab Emirates
来源：
2013 IEEE 56TH INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2013年
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A simplified expression for the current-excited step response of the Cole impedance model which significantly reduces the numerical complexity required to extract the impedance parameters using a nonlinear least squares fitting is presented. MATLAB simulations show reductions in extraction times up to 47.5%, without reducing extraction accuracy and are verified experimentally on an ideal Cole-model and fruits used as the Cole impedances showing less than 2% relative error between simulated responses (using the extracted impedance parameters) and the experimental results over the entire dataset.
引用
收藏
页码：952 / 955
页数：4
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