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Subject

Detailed Magnetic Force Analysis of A 4-Pole Hybrid Electromagnet by Magnetic Equivalent Circuit Method
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논문 기본 정보

Type
Academic journal
Author
Hasan Fatih Ertuğrul (TUBITAK MAM Energy Institute) Kadir Erkan (Yildiz Technical University) Hüseyin Üvet (Yildiz Technical University)
Journal
The Korean Magnetics Society Journal of Magnetics Vol.23 No.4 KCI Accredited Journals SCIE
Published
2018.12
Pages
499 - 508 (10page)
DOI
10.4283/JMAG.2018.23.4.499

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Result
Detailed Magnetic Force Analysis of A 4-Pole Hybrid Electromagnet by Magnetic Equivalent Circuit Method
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Abstract· Keywords

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In this paper, detailed magnetic force analysis of a 4-pole hybrid electromagnet system providing an advantage of full-redundant levitation is studied. The novel fragmented magnetic equivalent circuit method (MEC) is developed to accurately capture inherited nonlinear characteristics of 4-pole hybrid electromagnet to investigate force characteristics and magnetic field distribution. To confirm this method, two possible scenarios, which are levitation under plain core and levitation under dual-linear motor are composed. As well as, they are examined by both proposed method and FEM analyses. Comparative analyses of both methods revealed that force, inclination torque, and mutual interference can be easily captured with adequate accuracy while at the same time yielding less computation and set up time. Furthermore, the fragmented formulations of permeance functions can be generalized for the analysis and the design of similar devices which specifically involve inclination motions.

Contents

1. Introduction
2. Structure of 4-Pole Hybrid Electromagnet
3. Case 1: Suspension under Plain Core
4. Case 2: Suspension under Dual-Linear Motor
5. Conclusion
References

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