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Characteristic Analysis and Control of a Rotary Electromagnetic Eddy Current Brake

机译：旋转电磁涡流制动器的特性分析与控制

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This article designs an electromagnetic rotating eddy current brake (ECB), which has the advantages of no wear and low noise compared with traditional friction brake. First, using the magnetic circuit analysis model, a theoretical calculation formula of the ECB's braking characteristics is given. The results show that the braking torque is negatively correlated with the thickness of the air gap as well as the electrical conductivity and the relative magnetic permeability of the brake disc material, and positively correlated with the number of ampere turns and the number of electromagnet poles. Secondly, a three-dimensional finite element (FE) model of the brake is established. The results of braking torque-speed characteristics between finite element calculation and theoretical analysis are compared, and the reasons for the differences between the two are explained. Using the FE model, the influence of the design parameters on torque characteristics is studied. Combined with the theoretical analysis model, the results are explained accordingly, providing a reference for the optimal design of the brake. Finally, a controller for the electromagnetic rotating eddy current brake is designed to control the amplitude of the desired braking torque.
机译：本文设计了一种电磁旋转涡流制动器（ECB），与传统摩擦制动器相比，具有磨损和低噪音的优点。首先，使用磁路分析模型，给出了ECB制动特性的理论计算公式。结果表明，制动扭矩与气隙的厚度和制动盘材料的电导率和相对磁导率呈负相关，以及与安培的数量和电磁铁数量呈正相关。其次，建立了制动器的三维有限元（Fe）模型。比较有限元计算与理论分析之间制动扭矩 - 速度特性的结果，并解释了两者之间差异的原因。使用FE模型，研究了设计参数对扭矩特性的影响。结合理论分析模型，相应地解释结果，为制动器的最佳设计提供了参考。最后，设计用于电磁旋转涡流制动器的控制器，用于控制所需制动扭矩的幅度。

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