Identification of resonant circuits' parameters using weighted-least-squares fitting

Guido De Angelis, Alessio De Angelis, Antonio Moschitta, Paolo Carbone · 2018

Identification of RLC circuital parameters is investigated. We present a method for estimating the parameters of the circuit transfer function. The theoretical background is discussed, theoretical models are presented and experimentally validated. A practical implementation is presented and employed to validate the considered numerical models. Numerical and experimental results demonstrate that the proposed system provides a good accuracy measurement of the parameters of the resonant circuit. The experimental results validate the considered numerical models with a discrepancy of less than 10% with respect to measurement models.

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