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Fast solving technique for mechanical dynamic characteristic in electromagnetic motional system by electro-mechanical state equation including extracted circuit parameter

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6 Author(s)
Se-Hee Lee ; Dept. of Electr. Eng. & Comput. Sci., Masachusetts Inst. of Technol., Cambridge, MA, USA ; In-Gu Kwak ; Hong-Soon Choi ; Seung-Myen Lee
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This paper presents a method of the fast solving technique for electro-mechanical motional systems. Various numerical analysis methods such as finite element method (FEM), boundary element method (BEM) and others employ time-stepping method to analyze the dynamic characteristics of electromechanical systems. Since the system matrix must be solved at each incremental time, this time-stepping method proves to be time-consuming. To solve these problems, this paper presents a fast solving technique by using the extracted circuit parameters and electro-mechanical coupled state equations. To show validity and usefulness of proposed method, two electromagnetic motional systems were tested, and the time-stepping method using FEM was compared with the proposed method.

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Applied Superconductivity, IEEE Transactions on  (Volume:14 ,  Issue: 2 )