Analytical Model for a Permanent Magnet Eddy-Current Brake With Transverse Edge Effect

被引：11

作者：

Jin, Yinxi ^{[1
]}

Kou, Baoquan ^{[2
]}

Li, Liyi ^{[1
]}

Li, Chunyan ^{[3
]}

Pan, Donghua ^{[1
]}

Song, Kai ^{[1
]}

机构：

[1] Harbin Inst Technol, Lab Space Environm & Phys Sci, Harbin 150001, Heilongjiang, Peoples R China

[2] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Heilongjiang, Peoples R China

[3] Heilongjiang Univ, Mech & Elect Engn Inst, Harbin 150001, Heilongjiang, Peoples R China

来源：

IEEE ACCESS | 2019年 / 7卷

基金：

中国国家自然科学基金;

关键词：

Analytical model; eddy current brake; transverse edge effect; 3D FEM; DESIGN; SENSITIVITY; TRANSIENT;

D O I：

10.1109/ACCESS.2019.2915973

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, the analytical model of a permanent magnet (PM) linear eddy current brake is presented with consideration of transverse edge effects. The transverse edge effects can be divided into static and dynamic effects. The static transverse edge effect is caused by the diffusion of the magnetic flux in the core edge, and the dynamic transverse edge effect is caused by the paths of the eddy currents in the conductor plate. First, the structure and working principle of the eddy current brake are described. Next, the static air gap magnetic flux of the eddy current brake with the static transverse edge effect is analyzed using a multilayer analysis model and conformal mapping method. The braking force of the eddy current brake is then calculated while taking the dynamic transverse edge effect into consideration. Finally, the validity of the analytical model is verified by 3D finite element method (FEM).

引用

页码：61170 / 61179

页数：10

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