期刊
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS
卷 80, 期 -, 页码 1-9出版社
ELSEVIER GMBH
DOI: 10.1016/j.aeue.2017.06.010
关键词
Impedance; Cole impedance; Fitting; Fractional-order models; Bioimpedance; Tissue
资金
- Egyptian Academy of Science, Research, and Technology (ASRT)
In this paper, different integer and fractional-order models are studied from electrical point of view, these models are used to fit the measured impedance data for different types of fruits and vegetables. Experimental work is done on eight different models for six types of fruits to verify the best fitting model. Electric impedance is measured in the range of frequencies (200 mHz-200 Khz) using a non-destructive method, where the tissues are not damaged by electrode insertion. Moreover, two integer order models have been extended to the fractional order domain where data analysis and fitting are applied. The extra degrees of freedom of the fractional order models have enhanced the fitting parameters showing better accuracy. The double Cole Model has been found to be the best fit among different integer and fractional models based on root mean square error (RMSE). (C) 2017 Elsevier GmbH. All rights reserved.
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