Abstract
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.
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