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Dynamic Characteristic Analysis of Linear DC Motor by 3D EMCN Considering Input Voltage  

Ha, Kyung-Ho (창원대 공대 전기학과)
Yeom, Sang-Bu ((주)대우정밀)
Hong, Jung-Pyo (한양대 공대 전기학과)
Hur, Jin (전자부품연구원 정밀기기센터)
Kang, Do-Hyun (한국전기연구원 Mechatronics 연구그룹)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.51, no.2, 2002 , pp. 61-68 More about this Journal
Abstract
In order to design the Linear DC Motor (LDM) with improved characteristics, transient and steady state analysis are required. furthermore, 3D analysis is also needed to analyze the precise characteristics like thrust, time harmonics. This paper deals with the transient and dynamic characteristic analysis of LDM by coupling of external circuit and motion equation using 3D Equivalent Magnetic Circuit Network Method (EMCN). For the three dimensional analysis of electric machine, EMCN is very effective method that ensures high accuracy similar to FEM and short computation time. Also, The modeling by EMCN easily allows the mover to move with respect to the stater at each time step, and the spatial moving step is determined by the solution of the mechanical motion equation and the computed electromagnetic thrust The results are compared with experimental ones to clarify the usefulness and verify the accuracy of the Proposed method.
Keywords
Dynamic characteristic; EMCN; LDM and transient;
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