Journal Article Equivalent-Circuit Generation From Finite-Element Solution Using Proper Orthogonal Decomposition

Shimotani, Toshihito  ,  Sato, Yuki  ,  Igarashi, Hajime

52 ( 3 )  , p.7206804 , 2016-03 , IEEE (Institute of Electrical and Electronics Engineers)
This paper presents the generation of equivalent circuits from a finite-element (FE) model of electromagnetic devices using proper orthogonal decomposition (POD). This method effectively computes the frequency response of the reduced FE model constructed by the POD-based model order reduction. Then, the circuit parameters are determined so as to minimize the error between the frequency responses of the reduced FE model and equivalent circuit. The frequency characteristics of an inductor and the induction heating machine evaluated by the equivalent circuit are shown to be in good agreement with those computed from the original FE model.

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