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http://dx.doi.org/10.5370/KIEE.2015.64.11.1551

Characteristics Analysis of Radially Magnetized Tubular type Magnetic Coupling  

Kim, Chang-Woo (Dept. of Electrical and Electronic Engineering, Chung Nam University)
Jung, Kyoung-Hun (Institute. of technology, Hanon systems)
Choi, Jang-Young (Dept. of Electrical and Electronic Engineering, Chung Nam University)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.64, no.11, 2015 , pp. 1551-1557 More about this Journal
Abstract
Magnetic coupling is used where required high reliability. because magnetic coupling's durability is stronger than mechanical coupling's durability. This paper shows the characteristics of radially magnetized tubular type magnetic coupling by using Analytical method such as space harmonic method. Analytical method was used, to find force characteristics. First, on the basis of the magnetic vector potential and two-dimensional(2-D) polar-coordinate system, the magnetic field solutions of the radially magnetized permanent magnet are obtained. And we obtain the analytical solutions for the flux density produced by permanent magnet. Finally, we can calculate the force by using the Maxwell stress tensor. And then, Finite element method(FEM) is used to validate force characteristics.
Keywords
Linear coupling; Magnetic coupling; Force characteristic; Analytical method; Finite element method, FEM;
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