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The application of linear Halbach array to eddy current rail brake system

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3 Author(s)
Seok-Myeong Jang ; Dept. of Electr. Eng., Chungnam Nat. Univ., Taejon, South Korea ; Jeong, Sang-Sub ; Sang-Do Cha

This paper proposes two kinds of eddy current brakes with permanent magnet, One consists of hexahedron shape of a segmented permanent magnet and iron core (et seq. iron core-PM array). The other is composed of only a segmented permanent magnet (et seq. Halbach array). We use a finite element method to compute the magneto static field. Also, we use the Galerkin-FEM with linear interpolation function may oscillate between the adjacent nodes to calculate the braking and attraction force. The advantages of the Halbach array compared with the iron core-PM array are discussed

Published in:

Magnetics, IEEE Transactions on  (Volume:37 ,  Issue: 4 )

Date of Publication:

Jul 2001

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